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1 - Water has maximum density at____________?
4 °C
2 - The scientific study of livings is called?
Biology
3 - The word “BIOLOGY†has been derived from_________ word?
Greek
4 - According to modern system of taxonomy, living organisms have been classiï¬ed into?
Five Kingdoms
5 - Kingdom Protoctista includes____________?
protists
6 - Kingdom Fungi includes_______________?
Non-chlorophylls, multioellular,thailophytic organisms
7 - Earthworm is included in_____________?
Kingdom Animalia
8 - The Study of organisms inhabiting the sea and Ocean and the physical and chemical characteristics of their environment is:
Marine Biology
9 - The branch of Biology which deals with the use of data and techniques of engineering & technology concerning living organisms is:
Bio-technology
10 - The branch in which organism's life cycle, mode of transmission and interaction with their hosts are studied is:
Parasitology
11 - The molecules of living matter that provide building blocks are mostly based on:
Carbon
12 - Human blood is an example of__________?
Tissues
13 - With different chemical arrangements and formation Of complex molecules, the life emerges on the level of the ?
Cells
14 - Organelles are_______________?
Sub-cellular structures
15 - Functional unit of DNA Is____________?
Genes
16 - Various tissue types combine to make up__________?
Organs
17 - Two or more populations of different species living and interacting in the same area form
Community
18 - A group of similar cells that perform a specific function is:
Tissues
19 - Which of the following is an example of “molecule�
DNA
20 - A group of very similar inter breeding organisms constitutes?
Species
21 - Members of one species inhabiting the same are form__________?
Population
22 - On the basis of collected facts and ï¬gures, a scientist formulates a factitive statement called:
Hypothesis
23 - Robert Hooke discovered_____________?
Cell
24 - Steps Involved in scientiï¬c method are ?
Accumulated data —> Hypothesis –> Observation & experimentation —> New data —> Conclusion
25 - Malaria is associated with___________?
Anopheles Mosquito
26 - Biologist 'Grass' discovered the life cycle of plasmodium in_______?
1898
27 - The ï¬rst antibiotic to be discovered was_____________?
Penicillin
28 - Immunization by vaccination was ï¬rst introduced by?
Edward Jenner in 1795
29 - The Science of growing terrestrial plants in an aerated solution is_________?
Hydroponics
30 - An educated guess is called:
Hypothesis
31 - Dolly, the sheep was a highly successful clone from a somatic cell, reported back in________?
1996
32 - Crop rotation helps in______________?
Eradication of disease
33 - People living in high altitudes (like mountains) usually have a _________?
larger number of Red Blood Cells
34 - Which character differentiates living things from non-living organisms?
They are highly organized and complex made of one or more cells and contain genetic material
35 - Which Vitamin is needed for the formation of a light-sensitive pigment in the retina.
Vitamin A
36 - The average internal temperature of human body is __________?
37 oC
37 - The study of fossils is called?
Palaeontology
38 - About __________ of the body weight of a mammal is water ?
0.7
39 - The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by ?
Molecular biologists
40 - On wound __________ fight foreign particles, like bacteria?
White Blood cells
41 - Sythetic insulin from pork was formed by which technique?
Biotechnology
42 - Blood is carried towards the heart by __________?
Veins
43 - The branch of biology which deals with the study of social behavior and communal life of human beings living in any environment is called ?
Social biology
44 - __________ is essential for the formation of hemoglobin.
Iron
45 - Out of 92 naturally occurring chemical elements how many are considered as bio-elements?
16
46 - ___________ are needed as a source of energy for the vital activities of the body?
Carbohydrates
47 - Oxygen accounts for ____ % of totals human body mass?
0.65
48 - The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called:
A molecule
49 - Which one of them is a micro-molecule?
ATP
50 - A structure formed by groups of similar cells organized into loose sheets or bundles performing similar functions is called as:
A Tissue
51 - Haemodialysis means cleaning of____________?
Blood
52 - In animals coordination is achieved by means of?
Both A and B
53 - Production of sweat and sebum is related with ?
Skin
54 - Group of living organisms of the same species living in the same place at the same time is called ?
Population
55 - The evaporative cooling in the respiratory tract of dogs is called?
Panting
56 - Different species of plants and animals living in the same habitat is called?
Community
57 - Which of the following pathogen type cause disease that can be treated with antibiotics ?
bacteria
58 - A large regional community primarily determined by climate is called ?
Biome
59 - Most cell membranes are composed principally of ?
Protein and Lipids
60 - The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by ?
Paleontologist
61 - Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the ?
Concentration of water molecules inside and outside the cell
62 - It is possible to date the rocks by comparing the amount of specific radioactive isotopes they contain. Which of the statement is correct in this respect?
Older sediment layers have less amount of these radioactive isotopes as that of the young ones.
63 - Sodium ions are “pumped†from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of
Active transport
64 - An unbroken series of species arranged in ancestors to descendent sequence with each later species having evolved from one that immediately preceded it is called?
Phyletic lineage
65 - Proteins are made from amino acids by the process of ______________?
Dehydration synthesis
66 - Biological sciences have a set methodology and it is based on ?
Experimental inquiry
67 - Which is an organic compound found in most cells ?
Glucose
68 - A series of hypothesis supported by the results of many tests is called ?
Theory
69 - Which are the four most abundant elements in living cells ?
carbon, oxygen, hydrogen, nitrogen
70 - Which one is not correct for a productive theory?
It discourages suggestion of different hypotheses
71 - Conclusion of Mendels work latter became a_____________?
Scientific law
72 - Starch is converted into maltose by?
diastase
73 - Breeders have developed new and better varieties of food items by using which technique?
Genetic engineering
74 - Co-enzyme is often formed from ?
vitamin
75 - Production of genetically identical copies of organisms/cells by asexula reproduction is called ?
Cloning
76 - Messenger RNA is formed in_________?
nucleus
77 - Astronauts may use which technique to grow fruits and vegetables ?
Hydroponic culture technique
78 - Number of chromosomes in E.coli ?
1
79 - Which statement is incorrect for pasteurization?
It can be used to preserve vegetables and meat.
80 - Protein factory is___________?
ribosome
81 - What is the mode of transmission of Hepatitis virus?
Parentral (via blood)
82 - Smallest disease causing agents in plants are ?
viroids
83 - Which disease can be controlled by vaccination?
Measles
84 - The major cell infected by the HIV is lymphocyte ?
helper-T
85 - Vaccine was first developed by_______________?
Edward Jenner
86 - Pigment present in red algae is_____________?
phycoerythrin
87 - Which disease has been totally eradicated from the world because of effective vaccination?
Small pox
88 - Nutrition in fungi is___________?
Absorptive heterotrophs
89 - Which of the following statement is incorrect about antibiotics?
They are derived from bacteria only
90 - Fungi resemble plants because they lack___________?
Centriole
91 - Which treatment is instituted in a cancerous patient?
Radiotherapy
92 - Which is a parasitic plant?
cuscuta
93 - Which statement is incorrect for cloning?
It involve methods of sexual reproduction
94 - True roots absent in_____________?
bryophytes
95 - Removal or degradation of environmental pollutants or toxic materials by living organisms is called__________?
Bioremediation
96 - The mechanism for ATP synthesis is_____________?
Chemiosmosis
97 - Which of the following is not a viral disease?
Tetanus
98 - Enzyme present in the saliva is_____________?
ptyalin
99 - In human body 99% of total mass is formed of_____________?
6 Bio-elements
100 - Nitrogen is present in___________?
proteins
101 - Biological organization is_____________?
highly complex
102 - Operculum is present in_____________?
bony fish
103 - The arrangement of ________ speaks of the division of labour within cell?
Organelles
104 - In which animal respiratory surface are found in more than one organ?
frog
105 - Communities are ________ collection of organisms?
Dynamic
106 - The heart is enclosed in a membrane called________?
pericardium
107 - The number of species of organisms currently known to science is?
2500000
108 - From right ventricle blood is pushed into?
pulmonary trunk
109 - What is the branch of biology in which structure and function of tissues are studied___________?
Histology
110 - Biometry is the application of_______ in biology.
Statistics
111 - Study of insects is called_________?
Entomology
112 - The term biology was introduced in__________ in 1800?
Germany
113 - Which of the following is the basic unit of classification___________?
Species
114 - Euglena belongs to the kingdom___________?
Protista
115 - Viruses are considered living organisms because__________?
They contain DNA and can be reproduced
116 - All of the following are elements that plants need in very small amounts except___________?
Hydrogen
117 - Capillaries are the example of_________?
Organ System
118 - Who discovered the living cell first time?
Robert hooke
119 - Amoeba can move with the help of?
Pseudopodia
120 - Who is Called the Father of Demography?
IBN KHALDUN
121 - The one which is present in all living things
DNA or RNA
122 - The study of nature is called__________?
Science
123 - Animals that eat plants are called___________________?
Herbivores
124 - _____________________ contains the green chemical called chlorophyll.
Chloroplasts
125 - _____________ is a scientific word for human beings?
Homo sepions
126 - Lactometer is used for__________?
 Milk
127 - enzyme is_____________?
bio catalyst
128 - Exact replica of chromosome refers to ___________?
Chromatid
129 - Density gradient  centrifugation separates the materials on the basis of__________?
Both a & b
130 - Ribosomes are tiny Granules first studied in 1955 by__________?
Palade
131 - Virus consist of Parts:__________?
2
132 - I can break down fatty acid to succinate__________?
Glyoxisome
133 - Mitosis is divided into_____________?
Both a & b
134 - Ribosomes and DNA are also present in_________?
mitochondria
135 - Taking in liquid material into the cells is known as_________?
Pinocytosis
136 - Under a compound microscope chromosome is made of arms and___________?
Centromere
137 - The main types of plastids are___________?
All of these
138 - Fibers of the extracellular matrix is the characteristics of_______________?
Fluid mosaic model of cell membrane
139 - Ribosomes were discovered by_______?
Palade
140 - Which character differentiates living things from non-living organisms___________?
They are highly organized and complex made of one or more cells and contain genetic material
141 - The study of fossils is called__________?
Palaeontology
142 - A chemical substance that reacts with enzyme but is not transformed into product and thus blocking active site is called__________?
Inhibitor
143 - The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by________?
Molecular biologists
144 - Percentage of water in brain cells is_______?
0.85
145 - The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called__________?
A molecule
146 - Different species of plants and animals living in the same habitat is called ___________?
Community
147 - In animals coordination is achieved by means of_________?
Both b and c
148 - ___________ is the potential surce of chemical energy for cellular activities?
C-H bond
149 - The branch of biology which deals with the study of social behavior and communal life of human beings living in any environment is called________?
Social biology
150 - The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by________?
Paleontologist
151 - Group of living organisms of the same species living in the same place at the same time is called________?
Population
152 - Control of organisms by using living organisms is called_______?
Biological control
153 - Which one is a micromolecule__________?
ATP
154 - Unbroken series of organisms arranged from ancestor to descendant sequence is____________?
Phyletic lineage
155 - Out of 92 naturally occurring chemical elements how many are considered as bio-elements__________?
16
156 - A large regional community primarily determined by climate is called__________?
Biome
157 - Branch of biology which deals with the study of chemical components and chemical processes in living organisms is called________________?
Biochemistry
158 - A structure formed by groups of similar cells organized into loose sheetsor bundles performing similar functions is called as________?
A Tissue
159 - Oxygen accounts for __________ percent of totals human body mass?
0.65
160 - Out of total organisms on earth, _____________are vascular plants?
0.176
161 - Breakdown of large molecules into smaller ones utilizing water molecules is_________?
Hydrolysis
162 - Intake of liquid material by cell membrane is called___________?
Pinocytosis
163 - Which one is not correct for a productive theory________?
It discourages suggestion of different hypotheses
164 - ___________ is concerned with cell secretions?
Golgi complex
165 - Sythetic insulin from pork was formed by which technique__________?
Biotechnology
166 - Cytoskeleton involved in assembly and disassembly of the spindle during mitosis is of_________?
Microtubules
167 - ___________ is used to relieve one kind of headache, migraine?
Ergotin
168 - Bacteria which grow either in the presence or absence of oxygen___________?
Facultative bacteria
169 - It is possible to date the rocks by comparing the amount of specific radioactive isotopes they contain. Which of the statement is correct in this respect:
Older sediment layers have less amount of these reaioactive isotopes as that of the young ones.
170 - Reverse transcriptase is present in____________?
All retroviruses
171 - Destruction of all life forms is called___________?
Sterilization
172 - Pox viruses are_________?
DNA enveloped
173 - Pollen grains in pinus have __________ for dispersal through wind?
Wings
174 - The single healthy megaspore retained within the megasporangium germinates to form an egg containing female gaemtophyte called______________?
Embroyo sac
175 - Alternation of generations is absent in___________?
Hydration
176 - Double fertilization is feature of____________?
Angiosperms
177 - If bile pigments are prevented from leaving digestive tract, then they cause_____________?
Jaundice
178 - Initial pH of food vacuole during digestion in amoeba is____________?
5.6
179 - The arrangement of _________ speaks of the division of labour within cell?
Organelles
180 - NADH is oxidized by___________?
Coenzyme ?
181 - Salivary glands present in front of ear are___________?
Parotid
182 - How many spiracles are present in cockroach_____________?
20
183 - Which of the following is the correct sequence in the biological method?
Observation?hypothesis?deduction?testing of deduction
184 - Amphibians are considered to be evolved from___________?
Dipnoi
185 - Enterobius vermicularis is commonly known as____________?
Pinworm
186 - Red to orange pigments are_____________?
Carotenes
187 - Animals of which class of arthropoda are present everywhere_____________?
Insecta
188 - Gaseous exchange in birds occurs at level of_______________?
Parabronchi
189 - ______________ of earth surface is covered with water?
0.75
190 - An antibody is made of _________ polypeptide chains?
4
191 - Production of genetically identical copies of organisms/cells by asexual reproduction is called__________?
Cloning
192 - 95% of the cytoplasm of RBCs is____________?
Hemoglobin
193 - _________________ cells of phloem are directly involved in transport of organic solutes?
Sieve element
194 - An infectious disorder of respiratory system is_________________?
Tuberculosis
195 - Cuticular transpiration is _____________ of total transpiration?
5-7%
196 - According to cohesion-tension theory, tension is created by__________________?
Transpiration
197 - Deoxygenated blood first enters in _________ part in fishes?
Sinus venosus
198 - Ozone depletion occurs commonly due to_______________?
Chlorofluorocarbons
199 - Who coined the term CELL?
Robert Hook
200 - “lubb†sound is produced due to___________________?
Closure of inlet valve
201 - In condition of high temperature, following does not occur or occurs at low level__________?
Thermogenesis
202 - Who first observed and thus hypothesized that new cells are formed from previously existing living cell?
Rudolph Virchows
203 - In Hardy-Weinberg formula P2 represents frequency of_____________?
Homozygous dominant individual
204 - _____________ supported theory of special creation?
Linnaeus
205 - Percentage of proteins in cell membrane is____________?
60-80%
206 - Which of the following is most constant abiotic component of ecosystem___________?
Gravity
207 - Ecosystem not found in Pakistan is_____________?
Tropical rain forest
208 - Movement of the material across the cell membrane which does not requiring expenditure of metabolic energy is called__________?
Passive transport
209 - The productivity of aquatic ecosystem is basically determined by light and____________?
Nutrients
210 - The first layer of cell wall which is formed is___________?
Primary wall
211 - Annual rainfall in grassland is about_____________?
250-750 mm
212 - Conversion of ammonia or ammonium ion into nitrites during nitrogen cycle occurs due_____________?
Nitrosomonas
213 - Cellulose is the major component of__________?
Primary wall
214 - Number of cervical vertebrae is_____________?
7
215 - Autophagosomes are____________?
Both a and b
216 - Sapwood is formed from_____________?
Secondary xylem
217 - Which of the following cytoskeletal fiber contain tubulin protein?
One which help in assembly of spindles during mitosis.
218 - Only myosine is present in_____________?
H zone
219 - Joints present in skull are example of_______________?
Fibrous joints
220 - The human naked eye can differentiate between two points which are __________ apart?
1.0 mm
221 - _____________ is a nervous disorder characterized by involuntary tremors, diminished motor power and rigidity?
Parkinson's disease
222 - Of the following which one is not the characteristic of mitochondria?
Number of mitochondria is constant
223 - In human female, fertilization commonly occurs at______________?
Proximal part of oviduct
224 - The part of chloroplast where CO2 is fixed to manufacture sugar is__________?
Stroma
225 - Highest form of learning is__________________?
Insight learning
226 - Which of the following hormone is polypeptide in nature____________?
ADH
227 - Ribosomes are assembled in__________?
Nucleolus
228 - Far-red light promotes flowering in_______________?
Short day plant
229 - Which of the following is not present in mitochondria?
Thylakoids
230 - Secretin inhibits production of__________________?
Gastric juice
231 - Yellowish glandular structure which produces progesterone is_____________?
Corpus luteum
232 - The stent energy in the form of ADP is regenerated by mitochondria into__________?
ATP
233 - XO-XX pattern of sex determination is present in______________?
Grasshopper
234 - On which of the following component of chloroplast chlorophyll is arranged?
Thylakoids
235 - An example of codominance is______________?
AB' blood group
236 - Test cross is used to find_____________?
Genotype
237 - Number of nuclear pores/nucleus in an RBC are_________?
3?4
238 - Yellow cytoplasm in ascidian gives rise to______________?
Muscle cells
239 - Chlorophyll molecule contrains __________ as central metal ion.
Mg2+
240 - Okazaki fragments are connected together through action of_________________?
Ligase
241 - Which of the following combination is an example of self replicating organelles?
Mitochondria Chloroplast
242 - Which of the following is an autosomal disorder______________?
Down's syndrome
243 - The place of centromere where spindle fibres get attached is_________?
Kinetochore
244 - Embryonic induction is caused by part developing from_____________?
Mesoderm
245 - Sickle cell anemia is an example of_________________?
Point mutation
246 - The type of plastids which help in pollination is_________?
Chromoplasts
247 - Purines and pyrimidines are in equal ration in DNA.It was indicated by_______________?
Chargaff
248 - Chlorophyll is a/an _____ molecule?
Organic
249 - Ribonucleo-protein particles are the name of__________?
Eukaryotic ribosomes
250 - Lock and Key model was proposed by______________?
Emil Fischer
251 - Which step causes activation of catalytic site of an enzyme__________________?
Formation of Enzyme Susstrate complex.
252 - Amoeboid movements and movement of cyclosis is due to_________?
Microfilaments
253 - Enzymes __________________ the activation energy of a chemical reaction?
Decreases
254 - Which one forms the raw material for coenzymes_______________________?
Vitamins
255 - Proteins and lipids are converted into glycolipids and glycoproteins by adding carbohydrates by___________?
Golgi apparatus
256 - Biological molecules (proteins) which catalyze a biochemical reaction and remain unchanged after completion of reaction are called_____________________?
Enzymes
257 - In which of the following location enzymes controlling cellular respiration are present____________?
Milochondria
258 - In golgi apparatus the maturing face is____________?
Concave
259 - A cofactor made of inorganic ion which is detachable is called__________________?
Activator
260 - An activated enzyme consisting of polypeptide chain and a cofactor is called_______________?
Both b and c
261 - Centrioles are composed of ________ triplets of microtubules.
9
262 - Which statement about enzyme is incorrect_________________?
All enzymes are fibrous Proteins.
263 - A three dimensional dcavity bearing a specific charge by which the enzyme reacts with its substrate is called_________________?
Active site
264 - Cellular organelles related with H2O2 are___________?
Peroxisomes
265 - If more substrate to already occurring enzymatic reaction is added more enzyme activity is seen because_____________?
There is probably more enzayme available than there is substrate
266 - A group of ribosomes attached to mRNA is known as___________?
Polysomes
267 - The rate of reaction is directly proportional to the concentration of an enzyme which statement is incorrect in this respect_________________?
This relation is for unlimited time period with unlimited enzyme concentration
268 - Which statement is incorrect about Lock and Key Model________________?
It explains the mechanism of every chemical reaction
269 - If the concentration of enzyme is kept constant and amount of substrate is increased a point is reached where increase in substrates concentration does not affect the reaction rate because of____________________?
All the active sites on enzyme molecule are occupied
270 - The active site of an enzyme______________?
Determined by structure and the specificity of the enzyme
271 - Factory of Ribosomal systhesis is__________?
Nucleolus
272 - If more substrate to already occurring enzymatic reaction is added and there is no effect on the rate of the reaction what is the form given to this situation___________?
Saturation
273 - Who opposed the idea the cell is an empty space bounded by thick wall?
Robert Brown
274 - Extreme change in pH results in______________?
Denaturation of the enzyme
275 - Resolution power of a compound microscope is___________?
2.0 ?m
276 - Excessive increase in temperature of medium causes the enzyme molecule to____________?
Denatured
277 - If enzyme concentration is low than substrate pH and temperature values are equal to requirement then which of the following will increase rate of reaction____________________?
increase in concentration of enzyme
278 - In cell fractionation various components of cells including its organelles can be isolated in different layers depending upon____________?
Both a and b
279 - The structure of an enzyme is altered by____________?
Irreversible inhibitor
280 - Malonic acid is an example of____________?
Competitive inhibitor
281 - Magnifying power of electron microscope as compared to eye is____________?
250000X
282 - Inhibitors which block the enzyme by forming weak bond are called___________?
Both a and b
283 - Which of the statement about cell membrane is not true?
It contains charged pores thus ions being charged particles cross cell membrance much easier than neutral particles.
284 - A substance which binds at the active site of the enzyme but does not result in the formation of the products is called________________?
Competitive inhibitor
285 - A chemical substance which can react (in place of substrate) with the enzyme but is not transformed into product/s and thus blocks the active site temporarily or permanently is called_______________?
Inhibitor
286 - Optimal temperature of enzymes present in human body is_____________?
37?C
287 - Strengthening material of prokaryotic cell wall is__________?
Peptidoglycan or Murein.
288 - Spherical or tubular membranes which separate the material present in endoplasmic reticulum from that of cytoplasmic material are called__________?
Cisternae
289 - Whone is not the function of endoplasmic reticulum?
Synthesis of conjugated molecules
290 - 60S and 40S subunit combine to form ________ particle.
80 S
291 - Pancreas produces secretory granules that help in digestion. These granules after passing through endoplasmic reticulum are pinched off from ________ surface of Golgi apparatus:
Maturating face
292 - Which of the following statement is incorrect about Glyoxisomes?
They are present through out life of a plant and provide them whth energy through Glyoxylate cycle.
293 - Ribosomes + m-RNA?
Polysome
294 - Which of the following impart a red colour to Rose petals?
Chromoplast
295 - During digesting the phagocytosed food particles vesicles formed from fusion of phagocytic vacuole with the enzymes secreted by Golgi apparantus are called_______?
Secondary lysosomes
296 - The bond formed when two or more atoms complete their electron shells by sharing electrons is called_____________?
Covalent bond
297 - Which one is the basic element of organic compounds _________________?
Carbon
298 - Reactions in which simple substances are combined to form complex substances are called_____________?
Anabolic reactions
299 - Which chemical component has the same % in bacterial as well as the mammalian cell_____________?
Water
300 - The branch of biology which deals with the study of chemical compounds and the chemical processes in the fliving organisms is called_________________?
Biochemistry
301 - Which chemical component has the greatest contribution in the total mammalian cell weight__________?
Water
302 - Which one is an organic compound_____________?
Lipids
303 - Carbon atom is_____________?
Tetravalent
304 - The property of water due to which it works as a temperature stabilizer and hence protect living organisms from sudden thermal changes is_______________?
High specific heat capacity
305 - The number of calories required to raise the temperature of 1g of water from 15 to 16?C is called___________?
Specific Heat capacity
306 - The one which is present in all living things is ___________?
DNA or RNA
307 - The mechanism of stomatal movement is related to the branch of Biology called__________?
Physiology
308 - Which of the following substance is most favorable to form structural component of biological membranes___________?
Hydrophobic fats
309 - Maximum number of species of living things on earth are___________?
Insects
310 - Which statement is true about an aqueous medium________________?
Ions and molecules move randomly thus are in more favorable state to react with other molecules and ions
311 - Which of the following carbohydrate is tasteless___________?
Polysaccharide
312 - Which of the statement is not true for compounds like glycoprotein and glycolipids____________?
Both are produced and secreted by endoplasmic reticulum
313 - A complex substance which on hydrolysis yields polyhydroxy aldehyde or ketone subunits is called__________?
Carbohydrate
314 - Specific heat of vaporization of water is_______________?
574 Kcal/kg
315 - Cn(H2O)n. is a general formula of_____________?
Carbohydrates
316 - Which one are most complex sugar_____________?
Polysaccharides
317 - Variety among amino acids is produced due to_____________?
R group
318 - Primary structure of proteins determines__________?
Amino acid sequence
319 - Ribose is an example of___________?
Pentose
320 - The one which is not a globular protein__________?
Myosin
321 - Starch cellulose and glaycogen yield ___________ on complete hydrolysis?
Glucose
322 - ____________% of Glucose normally present in our blood is?
8.00E-04
323 - Which of the following carbohydrate can not be hydrolysed__________________?
Monosaccharide
324 - An enzyme which converts a dipeptide into separate amino acids is an example of__________?
Hydrolase
325 - Which one is soluble in hot water_____________?
Amylose
326 - For the synthesis of 10g of glucose ______________ of energy is required?
717.6 Kcal
327 - Cellular digestion is associated with which organelle__________?
Lysosomes
328 - The covalent bond between two monosaccharide subunits is called________________?
Glycosidic Bond
329 - The unicellular organisms ingest large molecules into their cytoplasm from the external environment without previously digesting them. This process is called___________?
Phagocytosis
330 - Which of the following polysaccharide is called animal starch_________________?
Glycogen
331 - Which one gives blue colour with iodine_______________?
Starch
332 - Mycoplasmas have been included in bacteria because:
Lack membrane bounded organelles
333 - Which one is abundant in animals___________?
Glycogen
334 - The one which can tolerate highest external osmotic pressure is __________?
Fungi
335 - The cell wall of oomycetes is chiefly composed of___________?
Cellulose
336 - __________ is example of pure form of cellulose?
Cotton
337 - A compound produced as a result of a chemical reaction of an alcohol with an acid in which water molecule is released is called________________?
Neutral lipid
338 - Lipids are soluble in which of the following_______________?
Ether
339 - One celled green ptotists are included in___________?
Algae
340 - Lipid molecules can store double amount of energy as compared to same amount of carbohydrate because of high number of__________________?
C-H bonds
341 - Fatty acids containing 18 C atoms and a single double bond is____________?
Oleic Acid
342 - Pick the odd one out
Psilotum
343 - Which of the following statement is incorrect5 for fats containing unsaturated fatty acid_____________?
They are usually solid at room temperature
344 - Which one the following fatty acid is more soluble in an organic solvent and has higher melting point____________?
Palmitic acid
345 - Peptide bond is_____________?
C-N link
346 - Animals obtain carbohydrates mainly from___________?
Starch
347 - The one which is incorrect pair?
Dichotomous - Vernation
348 - Double fertilization occurs in_________?
Angiosperms
349 - Proteins comprise of ___________% of the total dry weight of a cell?
0.5
350 - Adult birds normally possess only one functional____________?
Ovary
351 - Chemical component/s less in eukaryotic cell as compared to prokaryotic cell is / are (i) lipids (ii) carbodydrates (iii) proteins (iv) DNA_________________?
iv only
352 - Following possess bilateral symmetry as larva and radial symmetry as adult:
Echinodermata
353 - Proteins are polymers of___________?
Amino acids
354 - Which of the following is the empirical formula of chlorophyll b?
C55H70O6N4Mg
355 - In Glycin an amino acid R group is replaced by____________?
H
356 - How many moles of carbon dioxide are produced by complete oxidation of one mole of puruvic acid?
3
357 - The element in basic structure of proteins which differentiate them from carbohydrates________?
S
358 - Hunger pangs usually begin ______ after the previous meal.
12-24 hours
359 - Total number of amino acids discovered so far in cells and tissues are______________?
170
360 - The major constituent of blood plasma is___________?
Water
361 - An insulin molecule consists of _________ polypeptide chains?
2
362 - The windpipe or trachea lies?
None of these
363 - A bond formed by linkage between -OH of carboxyl group of one amino acid and H of amino group of another amino acid which releases water is called__________?
Peptide bond
364 - Total number of amino acids in a hemoglobin molecule are__________?
574
365 - Which structure of protein gives information aboutnumber and sequence of amino acids in it_______________?
Primary structure
366 - Locomotory structures are not found in which of the following group?
Apicomplexans
367 - Hemoglobin molecule exhibits which structural organization of proteins___________?
Quaternary structure
368 - Yeasts reproduce asexually by forming____________?
Buds
369 - In an aqueous environment the most stable tertiary conformation is that in which _________ amino acids are buried inside the conformation?
Hydrophobic
370 - Which of the following statement is incorrect about RNA_________________?
It contains Adenine Guanine Thymine and Cytosine
371 - Protein coasts of viruses are synthesized in____________?
Lytic cycle
372 - Each turn of DNA contain ____________ nitrogenous base pairs?
10
373 - Membranes of the grane are sites where?
Sunlight is trapped
374 - Antibodies play important role against microorganisms and other pathogens to which type of proteins do they belong________?
Globular proteins
375 - The simplest of oxygen producting photosynthetic organisms are____________?
Cyanobacteria
376 - Amphoixus is a__________?
All of these
377 - Which structural organization is most common in globular proteins____________?
Tertiary
378 - Which of the following does not show quaternary structure____________?
Fibrin
379 - Which of the following occurs in anaerobic respiration but not in aerobic respiration?
Production of ethanol from acetaldehyde
380 - helical structure is kept by the formation of _________ bonds among amino acids molecules?
H bonds
381 - Which of the following are triploblastic and acoelomate?
Platyhelminthes
382 - The food of hydra consists of___________?
Small crustaceans
383 - Actin and myosin are the basic proteins involved in contractile machinery of our body to which type of proteins do they belong____________?
Fibrous Proteins
384 - If a plasmolysed plant cell is placed in water the cell will___________?
Be deplasmolysed
385 - ATP is a an important molecule for its major function___________?
As an energy currency of the cell
386 - The first organism of whose genome was completely discovered was____________?
Hemophilus Influenza
387 - All of the following veins carry deoxygenated blood except
Pulmonary vein
388 - Animals fats are ______________ atroom temperature?
Solids
389 - Sebum produced from sebaceous glands in a mammal helps in___________?
Protection against micro organisms
390 - Which one is not found in fatty acids in acylglycerols____________?
C-25
391 - The one that stores calcium is __________?
Sarcoplasmic reticulum
392 - Which one of the following is most likely to occur in an animal during winter?
Thermogenesis
393 - In esterification OH comes from_______________?
Alcohol
394 - How many carbon atoms are required to form a furan ring (ribofuranose)_____________?
4
395 - Sleep movements are a type of___________?
Turgor movements
396 - Keto group is represented as___________?
CO
397 - The type of learning in which there is loss or decrease in response to repeated stimuli?
Habituation
398 - Glycolipids and glycoproteins have structural role in the ______________ matrix of animal and bacterial cell?
Extracellular
399 - The cells present in testes and secrete testosterone are___________?
Interstitial cells
400 - In Cx(H2O)y x ranges from______________?
3 to many thousand
401 - Exposure to low temperature stimulates plants to flower. This is called___________?
Vernalisation
402 - The basic structural unit of a chromosome is____________?
Nuceleosome
403 - In living organisms the lubricant which provides protection against damage resulting from friction is___________?
Water
404 - The first stage of development in which a cavity appears is the__________?
Balastula
405 - The trioses which are intermediate in respiration and photosynthesis are_______________?
Both of these
406 - The one which causes contraction of wall of the uterus during and after birth?
Oxytocin
407 - The monosaccharide found in some bacteria and occurring rarely are______________?
Tetroses
408 - Which statement correctly describes the transcription of DNA?
It produces mRNA
409 - Triglyceride is also known as_____________?
Neutral lipid
410 - Carbon commonly combines with______________?
All of these
411 - The sequence of 3 bases on tRNA which is complementary to condon of mRNA is called____________?
Anticodon
412 - The survival of an animal depends upon its ability to take some from its environment____________?
Organic molecules
413 - In humans the number of tetrads formed during mitosis is___________?
0
414 - Non polar organic molecules are ___________ in water?
Insoluble
415 - Interconversion of carbohydrates proteins and lipids in living cells are an example of____________?
Both A and B
416 - Which one of the following is correct sequence of stages of prophase 1 of meiosis
Leptotene zygotene pachytene diplotene diakinesis
417 - Which one of the following syndrome is the result of meiotic non dysjunction?
All of these
418 - Which one of the following stage preceeds mitosis during cell cycle?
G2 phase
419 - Most of the cellular secretions are ________ in nature?
Glycoproteins
420 - The red green color blindness is sex linked recessive condition in man. A father with normal vision and a color blind mother world expect to produce.
Color blind sons and daughter with normal vision
421 - Genes will not be found in gene pairs in the_____________?
Sperm cells of frog
422 - rRNA constitutes ____________% of the total cellular RNA?
0.8
423 - A genome is___________?
Full set of genes of an individual
424 - Which conjegated molecules play important role in gene expression___________?
Nucleohistones
425 - There are mainly __________ types of tRNA?
20
426 - The discease in which transmembrane carrier for the chloride ion is not produced is__________?
Cystic fibrosis
427 - The one which is a weed killer is___________?
2 4-D
428 - Five kingdom classification was proposed by_____________?
Robert Whittaker
429 - Organisms of which of the following kingdom have absorptive mode of nutrition______________?
Fungi
430 - Which of the Euglenas (a Protoctista) character resembles that of animals______________?
Both a and b
431 - The one which can break open a plasmid ring is__________?
Ligase enzyme
432 - According to Lamarch evolution occurred as the result of__________?
Inheritance of acquired characters
433 - Allium cepa is the scientific name of______________?
Onion
434 - Which of the following category is most general with its members lest resembling with each other than the other categries_____________?
Order
435 - The first eukarotes appeared about __________ years ago?
1.5 billion
436 - Those organisms which can prepare their own food from simple inorganic material and can store energy are called___________?
Autotrophs
437 - Solanum tuberosum is a scientific name of___________?
Potato
438 - The structure which has been formed or modified from gill pouches in humans is___________?
Eustachian tube
439 - Scurvy and beri - beri and caused by the deficiency of___________?
Vitamin C and B
440 - The word which E-Chatton suggested for bacteria and blue green algae was_____________?
Pro-cariotique
441 - The greatest diversity of animals in the lake is found in which one of the following zones?
Littoral zone
442 - So far over _____________ number of species of animals are known?
1
443 - What is the characteristic feature of consumers?
Heterotroph
444 - Which of the following organisms have Chitin as a major structural component of their cell wall________________?
Fungi
445 - All of the following are involved in nitrification except
Rhizohium
446 - DNA or RNA of viruses is enclosed in _______________ coat?
Protein
447 - In most ecosystems the greatest amount of energy flows through the____________?
Herbivores
448 - Which of the following relationship is NOT an example of symbiosis?
Marchantia sporophyte and gametophyte
449 - Other name for Kingdom monera is_______________?
Prokaryotae
450 - Animals with greatest number of similarities are grouped together in a/an___________?
Genus
451 - Amoeba belongs to which kingdom______________?
Protista
452 - Competition between species will be greatest if they attempt to occupy the same___________?
Niche
453 - The word virus is derived from Latin word venome meaning____________?
Poisonous Fluid
454 - The one which is present in all aerobic species is _________?
Cytohrome c
455 - The size of smallest virus is______________?
20 nm
456 - What percentage of light reaching the earth is used in photosynthesis?
0.01
457 - Viruses are __________ smaller than bacteria?
10 - 1000 times
458 - Kangaroo rat most probably would be found in___________?
Desert
459 - Vaccine Was discovered by______________?
Edward Jennar
460 - The name Bacteriophage was coined by____________?
D Herelle
461 - Protein subunits of capsid is called the capsomeres is a characteristic of each virus. Their number in Herpes virus is__________?
162
462 - Which of the statement about viruses is incorrect___________________?
They can synthesize their nucleic acid
463 - A virion is______________?
Virus
464 - For which of the following no preventive vaccine is available?
HCV
465 - Which one of the following specially result in chronic liver disease leading to hepatic failure:
HCV
466 - Protein coat the capsid of adenovirus is________________?
Surrounding genome
467 - Mode of transmission of hepatitis A is__________?
Faeco-oral
468 - Attachment of the bacteriophage with the receptor site on the bacterial cell wall involves_______________?
Week chemical unior between them
469 - Which of the following statement about AIDS is incorrect:
An infected mother cannot pass the virus to her baby.
470 - Bacteriopahage that infect E. coli are called_____________?
T type
471 - Complex symptoms like severe pneumonia vascular tumor sudden weight loss swollen lymph nodes and immune deficiency are features of:
AIDS
472 - An isolated virus is not considered living since it________________?
Can not metabolize
473 - Which of the following is the smallest known virus:
Polio virus
474 - The agent of controversial nature causing mad cow infection is_____________?
Prion
475 - Which of the following virus has special affiliations with the tumor production:
Retrovirus
476 - Which of the following is incorrect for the lysogenic cycle in life cycle of bacteriophage_____________?
Lysogenic bacteria may get infected by the related phage
477 - An enzyme which can convert single stranded RNA into double stranded viral DNA is called____________?
Reverse Transcriptase
478 - In lysogenic cycle the process of spearation of phage DNA from the hosts chromosome and initiation of lytic cycle is called______________?
Induction
479 - In life cycle of bacteriophage which step occur after attachment of prophage with the receptor site of the bacterial cell wall_____________?
Penetration
480 - Tobacco mosaic virus is__________?
Rod Shaped
481 - In the Lysogenic cycle the DNA of the bacteriophage__________________?
Joins the bacterial chromosomes
482 - Temperate phage may exist as_____________?
Prophage
483 - Which of the following is an RNA virus:
Influenza virus
484 - In the lytic cycle of bacteriophage the host DNA is__________?
Digested into its nucleotides
485 - Pepsinogen is produced from__________?
Zymogen cells
486 - Carbohydrates, fats & proteins are essential for_______________?
All of these
487 - Dipeptides into amino acids are are converted through_____________?
Erypsin
488 - Magnesium is present in which of the following__________________?
Chlorophyll
489 - Deficiency of which of the following causes chlorosis__________________?
Both A and B
490 - Mastication is carried out by__________?
Teeth
491 - Deficiency of K+ causes_____________?
Premature death of leaves
492 - Masses of dilated tortuous veins in the anorectal mucosa are known as___________?
Hemorrhoids
493 - Puccinia is a parasitic___________?
Fungus
494 - An illness which largely affects girls usually just after the onset of puberty.
Anorexia nervosa
495 - Autotrophic organisms can exist in an exclusively ________________ environment?
Inorganic
496 - Loss of appetite due to the fear of becoming obese is____________?
Anorexia nervosa
497 - Strong chlorosis is due to the deficiency of _____________ in plants?
Nitrogen
498 - Stunted growth of roots is due to the deficiency of____________in plants?
Phosphorus
499 - The liquid that escapes during defrosting frozen meat contains _____ bacteria?
Salmonella
500 - One of the commonest cause of food poisoning are the toxins produced by__________?
Campylobacter
501 - Puccinia commonly destroys______________?
Wheat
502 - Nodules on roots of leguminous plants have __________ bacteria?
Nitrogen fixing
503 - Earthworm is an example of ______________feeder?
Detritus
504 - All of the insectivorous plants are true________________?
Autotrophes
505 - Of the following, which one has more variety of nutrition________________?
Animals
506 - Incomplete or imperfect digestion is known as________?
Dyspepsia
507 - The leaf is bilobed with midrib between them. The plant is____________?
Dionaea
508 - Anus is surrounded by _____ types of muscles?
2
509 - Of the following, which one is missing in herbivores_______________?
Canines
510 - Certain types of whales are also __________ feeder?
Filter
511 - ____________is about 2.4 meter in length and comprising about two fifth of the small intestine?
Jejunum
512 - Hydra is an example of ______________ feeder?
Macrophagous
513 - Hepatic and Pancreatic secretions are also stimulated by a hormone produced by the intestinal mucosa. The hormone is___________?
Secretin
514 - Parasites capable of living independently of its host at times is called as ___________ parasite?
Facultative
515 - A painful burning sensation produced in the chest cavity usually associated with the back flush of acidic chyme into the esophagus is__________?
Pyrosis
516 - In planaria, numerous small branches which end blindly are called as__________?
Intestinal caeca
517 - Midgut in cockroach is a short narrow tube called____________?
Stomach
518 - Hunger contractions are _____ contractions?
Peristalsis
519 - The partly digested food is stored in________in cockroach?
Crop
520 - How many species of fungi are known till now?
100000
521 - Which of the following group represent pathological fungi______________?
Rusts smuts and molds
522 - Death cap/death angel (Amanita) and Jack O Latern mushroom are examples of__________?
Poisonous mushrooms
523 - Which one of the following is different from all the rest regarding the number of cells inits body_______________?
Yeasts
524 - Fungi which get their food directly from dead organic matter are called______________?
Decomposers
525 - How many species of mushrooms are edible?
200
526 - Root like structure in saprotrophic fungi are called_______________?
Rhizodis
527 - Penicillium reproduce via___________?
Conidia
528 - Those fungi which can grow only on their living host and cannot be grown on available defined growth culture medium e.g. various mildews and most rust species are called_____________?
Obligate parasitic fungi
529 - Mode of nutrition in penecillium is____________?
Saprotrophs
530 - Oyster mushroom is an example of predator fungi which attack on______________?
Round worms
531 - All such fungi in which sexual phase has not been observed are present in___________?
Deuteromycota
532 - Lichen is a symbiotic mutualistic association of fungi with______________?
Green algae and cyanobacterium
533 - Foliose lichen are_____________?
Leaf like
534 - How many species of ascomycota occur in lichen symbiotic association?
0.5
535 - An association in which fungal hyphae penetrate the outer cells of the plant root forming coils swellings and minute branches and also extend out into surrounding soil is called______________?
Endomycorrhizae
536 - Which one of the following is the largest group of fungi?
Ascomycota
537 - The Kingdom of recyclers is known as kingdom_____________?
Fungi
538 - According to two kingdom classification fungi were placed in kingdom___________?
Plantae
539 - At which stage in the life cycle of Rhizopus meiosis takes place?
Formation of sporangiophore via germination of zygospore.
540 - Ecological role of fungi as decomposers is only paralleled by_____________?
Bacteria
541 - Which of the following is called black bread mold?
Rhizopus
542 - Coenocytic hyphae are also known as______________?
Aseptate
543 - In which of the following example of fungi dikaryotic hyphae exist for long period?
Basidiomycota
544 - Unicellular fungi which is non-hyphal is___________?
Yeast
545 - Parasitic fungi absorb nutrients directly from the living host cytoplasm with the help of special hyphal tips called___________?
Haustoria
546 - By which of the following mechanism unicellular yeast reproduce?
Budding
547 - Constricting ring around nematode is formed by_____________?
Arthrobotrys
548 - Simple breaking of mycelium resulting in formation of a new mycelium from each broken segments is called__________?
Fragmentation
549 - Type of lichen which tightly attaches to rocks is_____________?
Crustose
550 - Which of the following statement is incorrect about asexual reproduction by spores in fungi?
These are produced through fruiting bodies like ascocarps and basidiocarps.
551 - Mycorrhizae are found in about__________vascular plants?
0.95
552 - Spores in sporangia are produced by process?
Asexual
553 - Which of the following is responsible for Irish potato famine?
Phytophthora infestans
554 - Which of the following statement about Kingdom Protista is incorrect_______________?
They only include unicellular aquatic eukaryotic organisms
555 - Spores produced by slime molds are__________?
Haploid
556 - Who first separated bacteria from other protists as a group_____________?
Herbert Copeland
557 - In slime molds spores develop into__________?
All of these
558 - Which of the protozoa has a striking resemblance to collar cells in sponges_____________?
Choanflagellates
559 - Of the following which one is not the characteristic of green algae?
Some green algae possess cell wall with cellulose
560 - Radiolarians belong to which of the following protozoal group____________?
Actinopods
561 - In chlorophytes the main energy stores are__________?
Starch
562 - Which of the following statement about eiliates in incorrect_____________?
Diploid nucleus being smaller is responsible for cells metabolism and growth while polyploidy nucleus functions in sexual process.
563 - Examples of Rhodophytes are___________?
Both of these
564 - Of the following which one is not the characteristic of dinoflagellates?
Their cells are often covered with shells of interlocking cellulose plates impregnated with calcium
565 - Lime stone deposits are formed from__________?
Foraminferans
566 - The most important group of producers in marine ecosystem is of__________?
Diatoms
567 - Plasmodium belongs to__________?
Apicomplexans
568 - Most dinoflagellates are___________?
Unicellular
569 - Kingdom protista includes_____________phyla?
27
570 - All phostosynthetic euglenoids lose their chlorophyll when grown in dark and obtain their nutrients heterotrophically this statement is___________?
FALSE
571 - Stentor is a/an____________?
Ciliate
572 - Based on molecular data euglenoids are thought to be closely related to___________?
Zooflagellates
573 - Complex specialized flagellates living symbiotically in the gut of termites are___________?
Trichonymphas
574 - Golden algae are also known as___________?
Chrysophyta
575 - The drfinite shape to ciliates is given by____________?
Pellicle
576 - Brown algae are also known as___________?
Phaeophyta
577 - Chalk is gradually formed of dead______________?
Foraminiferans
578 - The only group of algae having no flagellated motile cells at any stage is___________?
Rhodophyta
579 - Of the following which one has glassy shells________________?
Radiolarians
580 - Most of the photosynthesis on earth is carried by__________?
Algae
581 - Which of the following statement is incorrect about algae______________?
Their zygote unlike plants is protected by parental tissue
582 - In which of the following pigments major energy reserves and cell wall are like plants?
Chlorophyta
583 - The word Archaeobacteria (a division of bacteria) derived from Greek means___________?
Ancient bacteria
584 - Who coined the term Animalcules for microorganisms like Bacteria and protozoa______________?
Leeuwenhoek
585 - Who discovered the bacteria causing tuberculosis and also developed various techniques of media preparation and maintenance of pure culture_____________?
Leeuwenhoek
586 - Which of the following statement is incorrect regarding germ theory of diseases postulated by Robert Koch_____________?
The pure culture cannot produce the disease when inoculated into susceptible animal however the causative organism isolated from pure culture can do so.
587 - Which of the following structure is not present in all the bacteria_____________?
Capsule
588 - The size of Spirochete is_____________?
500 um
589 - E. coli and example of entrobacteriace is important for causing diarrheal diseases its size is____________?
1.1-1.5 um (width) 2.0-6.0 um (length)
590 - In bacterial categories the bacteria smaller in number are_______________?
Ancient bacteria
591 - Germ theory of disease has________________postulates?
4
592 - Some bacteria ranging occasionally a size of 500 ?m in length are___________________?
Spirochetes
593 - Coccobacillus has a shape similar to________________?
Egg
594 - The first bacterium isolated was_________________?
Bacillus
595 - Which of the following bacteria are thick rigid and spiral______________?
Spirillum
596 - A group of 8 cocci is called______________?
Sarcina
597 - Approximately _____ species of bacteria are known to cause diseases in humans.
200
598 - Cyanobacteria reproduce by____________?
Binary fission
599 - Which of the following help cyanobacteria to locomote?
Gas vesicles
600 - Cyanobacteria have ________ cell wall?
Gram - ve.
601 - Who developed the vaccine against anthrax?
Louis Pasteur
602 - Chemical substances used on living tissues that inhibit the growth of micro organism are called___________?
Antiseptics
603 - Rapid growth at exponential ration occurs in which phase of bacterial growth:
Log phase
604 - Sex pill is formed in which of the following processes?
Conjugation
605 - Spirochete is an example of___________?
Anaerobic bacteria
606 - E. coli and example of____________?
Facultative bacteria
607 - Nitrifying bacteria are the examples of___________?
Chemosynthetic bacteria
608 - Those bacteria which are fully dependent upon their host for nutrition are called__________?
Parasitic bacteria
609 - Purple non-sulphur bacteria is an example of___________?
Photosynthetic bacteria
610 - Example of bacteria requiring low concentration of oxygen is__________?
Campylobactor
611 - The common waste material in bacteria is____________?
Lactic acid
612 - Which of the following contains genes for drug and disease resistance in bacteria?
Plasmid
613 - Which of the following bacteria do not have flagella commonly__________?
Cocci
614 - A bacterium with tuft of flagella at both poles is called_____________?
Amphitrichous
615 - Flagella originate from_______________?
Basal body
616 - Which of the following structure provides greater pathogenicity to the bacteria__________?
Slime
617 - Which of the following structure primarily helps in attachment of bacteria on various surfaces____________?
Pili
618 - Cell wall is absent in___________?
Mycoplasma
619 - Cell wass of Archaeobacteria does not contain_____________________?
Peptidoglycan
620 - Gram positive bacteria appear_______________?
Purple
621 - Extremely long molecule of DNA that is tightly folded to fit inside the cell component is called_____________?
Chromatin body
622 - All of the following are coelomates except:____________?
Aschelminthes
623 - The radial symmetry is found in the animals of___________?
Cnidaria
624 - Both radial and bilateral symmetry is found in the phylum____________?
Echinodermata
625 - Of the following which one is not the characteristic of triploblasts?
All of them have blood vascular system
626 - The animals in which coelom is formed due to splitting of mesocerm are known as____________?
Schizocoelous
627 - In some cases the blastomere can produce complete embryo the cleavage will be___________?
Radial and indeterminate
628 - Of the following which one is non-cellular in most cases in animals?
Mesenchyme
629 - Aquatic arthropods respire through__________?
Both b and c
630 - Circulatory system is open type in all of the following except:___________?
Cephalopoda
631 - Shell of egg is leathery in appearance in___________?
Reptiles
632 - Aschelminthes is also known as____________?
Nematodes
633 - The name animal is derived from the word__________?
Anima
634 - All the animals of the grade radiata are____________?
Diploblastic
635 - The fate of each blastomere is foretold. The cleavage will be as____________?
Spiral and determinate
636 - The system well developed in the acoelomate is___________?
All of these
637 - In acoelomates gut is ________ in origin.
Endodermal
638 - Venus flower basket is also known as___________?
Euplectella
639 - The internal buds are known as__________?
Gemmules
640 - The skeleton of the sponges is in the form of variously shaped needle like structures called___________?
Spicules
641 - Gut in pseudocoelomates is made from___________?
Endoderm
642 - Sperms are _________ in origin.
Mesodermal
643 - Inner layers of the sponges are made up of__________?
Choanoytes
644 - Of the following which one is not included in Proterostomes?
Hemichordates
645 - Coelom that develops from the archenteron as outpouching is__________?
Enterocoelom
646 - Of the following which one is not found in series proterostomia?
Echinodermata
647 - In most triploblasts after embryonic development the three layers are represented as___________?
Structures formed from them
648 - The function of coelom is__________?
To provide space for the development of organs and systems
649 - A sponge of Antarctica which is more than a meter tall is____________?
Scolymastra joubini
650 - The sponges in which sperms develop first are included in the category of__________?
Protandrous
651 - The skeleton of sponges is made up of___________?
Both of these
652 - Sperms released in water are carried to the mesenchyme in sponges by__________?
Amoeboid cell
653 - The single main opening of the sponge cavity is____________?
Osculum
654 - 80% of the food of sponges consists of__________?
Detrital organic particles
655 - In sponges fertilization takes place in____________?
Mesenchyme
656 - Which of the following are motile zooids in cnidarians?
Medusae
657 - Mammals became dominant in__________?
Cenozoic era
658 - Which of the following fishes contained lungs?
Dipnoi
659 - Notochord is present throughout life in___________?
Cephalochordates
660 - Body is eel like in___________?
Cyclostomata
661 - Body is globular in_________?
Sea Urchin
662 - Second largest phylum of invertebrates is____________?
Mollusca
663 - Main blood vessel of arthropods usually:
Lies on dorsal side
664 - _______ are the first group of invertebrates which have developed a closed circulatory system.
Annelids
665 - Of the following which one is not the characteristic of Kingdom Animalia.
All animals develop from the dissimilar gametes i.e. large sperm and small egg.
666 - Coelom is lined by__________?
Both A & B
667 - Porifera range in size from__________?
Few millimeter wide to more than one meter tall
668 - Enteron in coelenterates acts as___________?
all of these
669 - All of the following coelenterates show alternation of generation except:
Hydra
670 - Excretory system of platyhlminthes consists of___________?
Flame cells
671 - Pseudocoelem develops from____________?
Blastocoel
672 - Exoskeoeton of coelenterates terates is made up to__________?
Calcium
673 - All of the following are true for Platyhelminthes except____________?
Coelomate
674 - Nervous system of nematods consists of?
All of these
675 - Polychaeta have____________?
All of these
676 - __________ are believed to have common origin with annelids.
Arthropods
677 - Mantle in molluscs is present over____________?
Dorsal visceral region
678 - Prechordates is another name used for___________?
Hemichordates
679 - True metamorphosis is not present in________?
Arachnida
680 - Pin warm is common name used for__________?
Enterobius vermicularis
681 - Which system is present in nematodes?
Tube - like digestive system
682 - Which of following system is segmentally arranged in annelids?
Criculatory system
683 - The number of chromosomes in human cell is_____________?
46
684 - The resolving power of electric microscope is____________?
0.2 nm
685 - Free living example of Platyhelminthes is____________?
Dugesia
686 - Psedudocoelom is character of____________?
Aschelminthes
687 - Which of the following statement about plants is incorrect?
They Are heterotrophes
688 - Antheridia and archegonia are born on ______________ in bryophytes.
Gametophyte
689 - Which of the following of bryophytes are the simplest one?
Porella
690 - Ferns are included in__________?
Pteropsida
691 - in which cell ribosome are of large size and present either on endoplasmic reticulum or free in cytoplasm?
eukaryotic
692 - mitochondria in heart muscles are nearly_____________?
350
693 - mitochondria in ear lobe cells are nearly____________?
50
694 - four daughter cells are given to rise during the process of____________?
meiosis
695 - which of the following gives to rise two daughter cell during cell division?
mitosis
696 - in animals meiosis produces____________?
gametes
697 - prokaryotic and eukaryotic are two types of___________?
cells
698 - cells are of__________types?
2
699 - Gametophyte of Psilopsida develops a symbiotic association with which of the following______________?
Fungus
700 - Which of the following is an example of the living member of Psilopsida________________?
Psilotum
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