Biology General topic based MCQs preparation test for all competitive exam. Biology General Set# 3, topic based MCQs that are mostly asked in competitive exam related to Biology. Examtry team design a series of MCQs based tests that effectively and efficiently help a student or job seeker to prepare their exam effectively and efficiently.
Examtry team design more than 700 MCQs and try their best to cover the whole topic Biology General . These MCQs based test really helpful in all competitive exams as well as institutional exams. Anyone who wants to pass job test comprising one paper or MCQs based test come on examtry.com and get prepared himself.
MCQs under the topic of Biology General covers all tests conducted by FPSC, NTS, KPSC, PPSC, SPSC, BPSC, OTS, UTS, UPS, PTS, CTS, ATS, ETEA or any other institution.
1 - Which process requires no energy from the cell?
Both A & B
2 - What is the effect of oversecretion of hormone from pituitary gland?
Increase growth in length
3 - Which of the following is not a gland?
Gastrine
4 - Oxytocin hormone is secreted by gland
Pituitary
5 - Enlargment of _______ gland takes place due to deficiency of iodine
Thyroid
6 - Pepsin is a
Enzyme
7 - The hormone which stimulates the stomach for the production of digestive juice is
Gastrin
8 - Most absorption of nutrients occurs in the
Small intestine
9 - Which of the following is the largest digestive gland in humans?
Hepato-Pancreas
10 - Which one among the following is the hardest part of our body ?
Enamel of teeth
11 - It is very serious disease of brain which is caused by fungi.
Meningitis
12 - Administering a vaccine provides protection by inducing synthesis of antibodies (proteins) specific of the vaccine. The cell in the body responsible for the production of antibodies is
Lymphocyte
13 - As an infant, the ability to produce antibodies is
Limited
14 - Antigen is a substance which
Triggers the immune system
15 - AIDS is caused by the organisms which are
Viruses (HTLV III)
16 - The camel's hump is composed of a tissue which provides water when oxidized. It is
Adipose tissue
17 - Which among the following is not a connective tissue?
Skin
18 - The transport of organic substances in plants is through
Phloem
19 - Who is regarded as father of Plant Tissue Culture
Haberlandt
20 - What is common in both striated and cardiac cell
Striations
21 - Blood vessel bringing blood into Bowman's capsule is
Afferent arteriole
22 - Which organ filters blood in human body?
Kidneys
23 - The renal corpuscle is made up of
Both A & B
24 - Main nitrogenous product formed in man
Urea
25 - Loop of henry is related with
Excretory system
26 - Of the following ,which of the most fundamental generalization in biology?
Cell theory
27 - Where does protein synthesis take place?
Ribosomes
28 - Membrane bound pigment containing bodies present in the cells are called as
Plastids
29 - Lysosome is formed from which of the following cell organelles?
Golgi bodies
30 - In the cell of animals ,some micro-organisms and lower plants contain
Two centriole
31 - Nephron is related to which of the following system of human body?
Excretory system
32 - Dialysis is used to perform the function of
Kidney
33 - Excretion is best described as the removal of
Metabolic wastes from a cell
34 - Islets of Langerhans are present in
Pancreas
35 - Filtration of blood occur in
Bowmen's capsule
36 - The site of RBC formation in human body is
Bone marrow
37 - Important component that helps in clotting of the blood is called ________ .
Platelets
38 - The valve present between left auricle and left ventricle is
Mitral
39 - Function of heart in human body
Work like pumping machines
40 - Function of hemoglobin is
To transport oxygen
41 - The main function of the Golgi body is
Secretion
42 - Which organelle is the control center of a cell?
Nucleus
43 - Which of the following organelles of a cell is involved in photosynthesis?
Chloroplast
44 - The theory which states that all animals and plants are composed of cells and cell products is known as
Cell Theory
45 - Biologists mainly deal with matters relating to
All three a b and c
46 - The process in which energy stored in carbohydrates is released
Respiration
47 - What is the purpose of the mucus in your nose?
Protects lungs
48 - Precentage of CO2 found in exhaled air
0.04
49 - Muscles get tired when there is shortfall of ________ .
ATP
50 - Cellular respiration is best associated with the
Mitochondrion
51 - Filtration of blood takes place in
Kidney
52 - In Mammal urinary bladder open into
Urethra
53 - Nephrology is the study of
Kidney
54 - The organs of the urinary system are
All of the above
55 - The basic functional unit of Kidney is
Nephron
56 - The scientific study of plants is termed as
Botany
57 - Lobsters belong to which one of the following classes of organisms ?
Crustaceans
58 - Fishes have a ________ chambered heart.
Two
59 - Which one of the following is not a chordate ?
Starfish
60 - Carica papaya is the scientific name of ________ .
Papaya
61 - Which is the innermost layer of the heart
Endocardium
62 - ________ is a hormone that regulates the amount of glucose in the blood.
Insulin
63 - Which one of following is known as pace maker of endocrine gland
Thyroxin
64 - The rate of heartbeat is accelerated by the hormone
Adrenaline
65 - Cortisol is secreted by
Adrenal gland
66 - Slow oxidative muscle fiber are best suited for
Running a marathon
67 - In which body cavities are the lungs located
Thoracic cavity
68 - The molecule that is the main source of ATP synthesis
Glucose
69 - Lungs are covered by
Pleura
70 - Accumulation of which one of the following in the leads to cramp?
Lactic acid
71 - Photosynthesis occurs in
Chloroplast
72 - Sulphur Dioxide pollution is indicated by an excessive growth of which of the following?
Lichens
73 - Food wrapped in news paper is likely to get contaminated by
Lead
74 - What is full form of BOD?
Biological Oxygen Demand
75 - A species inhabiting different geographical areas is known as
Allopatric species
76 - Lichen is a composite combination of two organisms.
Algae and Fungi
77 - Nitrogen Fixation is carried out primarily by
Bacteria
78 - Organisms that depend only on raw plant products are said to be
Herbivorous
79 - The scientific study of how organisms interact with their environment is called
Ecology
80 - In a cell process of respiration takes place in
Mitochondria
81 - It is the basic structure found in all membranes such as those of mitochonchondria and chloroplasts.
Unit membrane
82 - Which one is found in a pair in each Chromosome
Chromatids
83 - Ribosomes are produced in
Nucleolus
84 - Which cell feature is responsible for storing water ?
Vacuole
85 - Photosynthesis takes place in the presence of chlorophyll and ________ .
Sunlight
86 - One of the following cannot be performed by animals
Photosynthesis
87 - Green pigment is called
Chlorophyll
88 - Plants utilise ________ from the atmosphere for photosynthesis
Carbon dioxide
89 - In Photosynthesis
Light energy is converted into chemical energy
90 - Which among the following does not have a cell wall?
Mycoplasma
91 - The ability to fix atmospheric nitrogen is found in the
Some blue-green algae
92 - Which is the cause of malaria infection?
Plasmodium
93 - In human beings influenza is caused by
Viruses
94 - Asthma is caused due to
Spasm in bronchial muscles
95 - Cancer is caused by
Uncontrolled mitosis
96 - Sickle-cell anemia is a disease caused due to the abnormality in
Red blood cell
97 - In which phylum nerve cells are found but nerves are absent ?
Coelenterata
98 - The non-vascular land plants are included in the group called
Bryophyta
99 - The animals in which the body cavity is absent are known as ________ .
Acoelomates
100 - Who is called the Father of Taxonomy?
Carolus Linnaeus
101 - Spiders belong to the phylum
Arthropoda
102 - Oxygen crosses a plasma membrane by
Osmosis
103 - Which of the following is true of osmosis?
All of the above
104 - The water readily available to plants for absorption by roots is
Capillary water
105 - The process of evaporation occurs from
Leaf
106 - Which process requires cellular energy?
Active transport
107 - Psidium guajava is the scientific name of ________ .
Guava
108 - Grevillea Robusta is the scientific name of ________ .
Silver Oak
109 - Artocarpus integra is the scientific name of ________ .
Jack fruit
110 - Which of the following is a fish?
Salmon
111 - What is scientific name of ""Cotton"" ?
Gossypium Herbaceum
112 - Study of parasitic organism is called
Parasitology
113 - The study of relation of animals and plants to their surroundings is called ________
Ecology
114 - Amarbel is an example of
Parasite
115 - When we consume the goat or sheep beef then we are
Secondary consumer
116 - Branch of biology in which we study about relationship between living and their environment.
Ecology
117 - The outer white part of the eye which is supporting wall of the eyeball is known as
Sclera
118 - Human eye can differentiate between colors due to
Cones
119 - The outer membrane that covers the brain is
Dura mater
120 - The inner most membrane that covers the brain is
Pia - mater
121 - Which systems comprise the nervous system?
Both A & B
122 - Which organelle performs cellular respiration?
Mitochondria
123 - The great contributing of Schwan was
How interpreted what he saw
124 - What organelle carries out photosynthesis?
Chloroplasts
125 - Which organelles are unique to plant cells?
All of the above
126 - Membrane bound organelles are not found in the cells of
Prokaryotes
127 - The main thinking part of the brain is
Forebrain
128 - What is the first thing that alcohol effects?
Judgement
129 - Largest part of human brain is
Cerebrum
130 - The functional connection between two neurons is a
Synapse
131 - The functional unit of the nervous system is the
Neurons
132 - Which of the following is a work done by the placenta tissue in humans?
Removes waste matter from the embryo and provide nutrition to the embryo
133 - Corpus luteum is associated with
Ovary
134 - A gland below the bladder and surrounding the urethra is
Prostate
135 - Snakes receive sound vibrations by
Body
136 - A man with colour blindness will see red as
Green
137 - Vitamin present in guava fruits
Vitamin - C
138 - Vitamins are
Micro nutrients
139 - Which of the following vitamins acts like hormone?
Vitamin D
140 - Which of the following vitamins are water soluble?
Vit. B & Vit. C
141 - Lathyrism is caused by excess consumption of________
Khesari Dal
142 - The horizonatally growing hyphae of Rhizopus are called
Stolons
143 - Which one of the following scientists first time saw bacteria through a microscope made by himself ?
Antonie Van Leeuwenhoek
144 - The unicellular algae used to supply and regulate the oxygen in space programmes is
Chlorella
145 - Amoeba moves in water with the help of locomotory organs called
Pseudopodia
146 - Bacteria are (were) considered more as plants than animals because of the presence of
Cell wall
147 - Main function of white blood corpuscles is
To produce immune system of body
148 - Which one of the following is a rich source of iron?
Spinach
149 - The Vitamin that is destroyed on heating
"C"
150 - Which among the following is a Vitamin?
Follic acid
151 - They play key roles in the contraction of muscles,digestion of food and clotting of blood.
Proteins
152 - Which one of the following organisms is dependent on saprophytic mode of nutrition?
Agaricus
153 - In 1610, who made microscope and used it to observe very small animals?
Galilo
154 - What three statements make up the cell theory?
All of the above
155 - The outermost layer in a plant cell is
Cell wall
156 - The longest cells of human body
Neuron cell
157 - They contain those enzymes which can digest the phagocytosed food particles.
Lysosomes
158 - The study of structure and functions of cells is termed as
Cell Biology
159 - Where in the cell are chromosomes located?
Nucleus
160 - Which are called the factory of protein synthesis?
Ribosomes
161 - Who is known as father of Biology?
Aristotle
162 - Who is known as father of Biology
Aristotle
163 - Number of which type of WBC is greatest in blood of human
Neutrophils
164 - Blood is
Alkaline
165 - Blood pressure is measured with
Sphygmomanometer
166 - Which of the following is true about veins?
Veins have valves; arteries do not
167 - Which of the following serve as antibodies?
Proteins
168 - Purification of blood takes place in
Lungs
169 - Fully mature human RBCs has
No nucleus
170 - Which of the following blood group is universal donor?
O
171 - Human heart is made up of
Cardiac muscle
172 - Antigens 'A' and 'B' are absent in persons belong to blood group
'O'
173 - Which Vitamin is obtained from Sun rays?
Vitamin D
174 - The Vitamin required for the synthesis of nucleic acid is
Folic acid
175 - Which of the following statements is not true about metabolism?
Younger people generally have a slower metabolism than adults
176 - An important function of fat in the body is to
All of the above
177 - Vitamin K is required for
Blood clotting
178 - The artificial kidney is a
Machine
179 - Which statement regarding the mammalian heart is correct?
In the adult heart, blood in the right chambers of the heart cannot enter the left chambers without passing through the lungs
180 - An individual whose blood type is B may in an emergency, donate blood to a person whose blood type is
AB or B
181 - Which of the following carries oxygen to various parts of human body?
Red blood cells
182 - Instrument used to measure blood pressure is
sphygmomanometer
183 - Lymph carries digested and absorbed fat from ________ .
Intestine
184 - Which one of the following completes the given statement correctly ?Cretinism is a human disorder which is due to the under secretion of
Thyroxin hormone
185 - The thyroid hormone that regulates carbohydrate metabolism is
Thyroxin
186 - Which of the following hormones contains Iodine?
Thyroxine
187 - Which of the following is not an Endocrine Gland?
Spleen
188 - Pineal gland is situated in
Brain
189 - In 1910, who proved the idea of W.S.Sutton that genes are located on chromosomes?
T.H.Morgan
190 - Different forms of genes are called
Allele
191 - When more than 20% of the body weight is due to fat, the person is suffering from
Obesity
192 - Bone deformities occur due to the excess intake of
Fluorine
193 - Cellulose is a
Carbohydrate
194 - Deficiency of 'Thiamine'
Beri-Beri
195 - Kwashiorkor disease in children is caused by
Sufficient carbohydrates and fats but deficient proteins in diet
196 - Rate of transpiration can be measured by
Ganong's potometer
197 - Pulse rate we get from
Artery
198 - Which of the following are involved directly in pulmonary circulation?
Right ventricle, pulmonary artery, and left atrium
199 - Rh factor is discovered by
Landsteiner and Weiner
200 - Rh factor is related with
Monkey
201 - What is the main purpose of white blood corpuscles?
To combat infection
202 - Organisms which synthesise their own food are called
Autotrophs
203 - Anaemia is caused because of deficiency of which of the following?
Iron
204 - Which of the following is a good source of protein?
Soyabean
205 - Goitre is due to the deficiency of
Iodine
206 - Biological complete proteins are found in
Meat, Milk, Egg
207 - Red colour of blood is due to presence of
Hemoglobin
208 - Which one of the following parts of human brain is the regulating centre for swallowing and vomiting?
Medulla oblongata
209 - Compared to land, the open oceans
Are nutrient-poor environments
210 - Study of effect of radiation on plant and animal is
Radiobiology
211 - Melvin calvin got Noble Prize for his studies on
Carbon fixation
212 - Kyoto Protocol is associated with
Climate change
213 - The Mode of nutrition in which particulate food is devoured is
Holozoic
214 - They are organic compounds consisting of carbon ,hydrogen and oxygen present in all living organisms.
Carbohydrates
215 - The energy released by 1 gram of glucose is
4 kcal
216 - Among the given nutrients, milk is a poor source of
Vitamin C
217 - Which nutrient has forms most of our body weight?
Water
218 - Which parts of the heart receive blood from the lungs?
Left atrium
219 - The universal donor belongs to blood group
O
220 - Person having blood group 'B' can donate the blood to person having blood group
B and AB
221 - Scientist who discovered blood groups was
Karl Landsteiner
222 - Where do arteries carry blood?
Heart
223 - Kelps are obtained from
Marine algae
224 - Blue green algae possess chlorophlyll along with a pigment known as
Phycobilin
225 - A cell wall material present only in blue green algae and bacteria is
Muramic acid
226 - Liver fluke is parasite in the liver of
All of the above
227 - Most bacteria reproduce by
Binary fission
228 - Volvox colonies are found in
Freshwater ponds
229 - Which one of the following is not reserve food of fungi
Starch
230 - The nitrogen fixing bacteria present in the root nodules of leguminous plant is
Rhizobium
231 - All of the following are true of neurons except that
They are a very specialized form of connective tissue
232 - Synapse gap is present between which of the following?
Two neurons
233 - In ________ cells the genetic material is without any nuclear membrane covering and is directly submerged in the cytoplasm.
Bacteria
234 - Cyanobacteria are also known as
Blue Green Algae
235 - Branch of biology which deals with the study processing and preservation of food is called
Food technology
236 - A viral species is a group of viruses that has
Both A & B
237 - The litmus paper utilized in the chemical laboratories is made of :
Lichen
238 - The bone Humerus is found in
Upper arm
239 - The bone tibia is found in
Leg
240 - Longest bone found in which part of human body?
Thigh
241 - Which one is the longest bone in human body
Femur
242 - What Is The Study Of Cells Called
Both B & C
243 - Closely stacked flattened sacs (plants only)
Golgi apparatus
244 - Which one among the following cell organelles is semi-permeable ?
Nucleus
245 - Any foreign object that gains entry into the cell is immediately engulfed by the ________ and is completely broken into simple digestible pieces.
Lysosomes
246 - The function of nucleolus is the synthesis of
R-RNA
247 - Which of the following is a fresh water sponge ?
Spongilla
248 - The kingdom Protista is primarily made up of organisms that are
Eukaryotic and single-celled
249 - Marsupial Kangaroo is
Viviparous
250 - Which one of the following has a bilateral symmetry in its body organization?
Asterias
251 - Branch of biology which deals with the study of identification, nomenculture and classification of organism is
Taxonomy
252 - Every ecosystem must have
Autotrophs
253 - Silviculture is the branch of botany in which we study about
Development of forest
254 - Which of the following is an Autotroph?
Algae
255 - The energy in most ecosystems comes from
Sun
256 - Study of typical behaviour of organisms in their natural habitat is called
Ethology
257 - Which is a homologous chromosome pair?
Tetrad
258 - A multicellular organism grows by ________ .
Cell division
259 - At anaphase stage of mitosis in plant cells,interzonal of the spinldle fibres gets transformed into
Phragmoplast
260 - During which stage of mitosis does cytokinesis usually occur in animals ?
Telophase
261 - It is an oxygen carrying protein of red colour concentrated in red blood cells.
Haemoglobin
262 - Which blood group is a universal recipient?
AB
263 - The largest artery in human body is
Aorta
264 - Number of chamber found in human heart is
4
265 - Blood pressure is the pressure exerted on the wall of
Artery
266 - Mitochondria are also known as
Power house of the cell
267 - Which is the basic structural as well as functional unit for all organisms?
Cell
268 - Which organelle are involved in the manufacture and supply of energy to the cell?
Mitochondria
269 - Which statement is one component of the cell theory?
All living cells arise from pre-existing cells
270 - Do plant cells have Mitochondria?
Yes
271 - Study of process of ageing
Geronotology
272 - Sweating is important
To control the temperature of body
273 - The outermost layer of skin is
Epidermis
274 - Homeostasis is the condition in which the body maintains
A relatively stable internal environment within limits
275 - The normal temperature of human body on the Kelvin scale is
310K
276 - Lichens are the best indicator of
Air pollution
277 - Which one of the following processes takes place in lakes during eutrophication?
Excessive entry of nutrient into water
278 - Which organelles supply energy to the cell?
Mitochondria
279 - Who of the following is known as the Father of Biology?
Aristotle
280 - Name the part of neuron where information is acquired.
Dendrite
281 - The basic unit of the nervous system is the
Neurons
282 - The weight of the brain in the total weight of the body is about
2%
283 - Cerebrum is located in part of brain in/ot
Fore front
284 - The smallest structural and functional unit of nervous system is
Neuron
285 - When the concentration of water and solutes on either side of the cell membrane is same, the solution is said to be
Hypotonic
286 - Water molecules enter plant epidermal cells by
Osmosis
287 - Root pressure is developed in
Xylem
288 - What process accounts for species diversity?
Meiosis
289 - Where are chromatids found in a cell?
Metaphase
290 - Octopus belongs to the phylum
Mollusca
291 - Octopus is
A molluscs
292 - In coelentrates mesderm give rise to
Circulatory System
293 - It is the study of internal organs of organisms.
Anatomy
294 - Their cells have a very well defined nucleus ,in which nuclear material (chromosomes or DNA)is enclosed in double nuclear membrane.
Eukaryotes
295 - Nitrogenous Food is
Proteins
296 - Which of the following crops would be preffered for sowing in order to enrich the soil with nitrogen?
Gram
297 - The temperature danger zone for food is
5 - 63 deg
298 - A living part of the organisms environment is known as
Biotic Factor
299 - Secondary consumers are eaten by larger
Predator
300 - Some of the conifers in our northern areas include
All of the above
301 - Which of these plants grow in an environment that is neither very wet nor very dry?
Mesophytes
302 - Which statement describes decomposers?
Decomposers are those organisms that recycle matter in the ecosystem
303 - Enzyme secreted by stomach digests the food but stomach is not digested by this digestive juice because
Wall of stomach is lined with mucus
304 - Where does most digestion take place?
Small intestine
305 - Both food and air travel through the
Pharynx
306 - The enzyme which take part in digestion of milk protein is
Rennin
307 - Total Number of bone found in child
300
308 - A man whose blood group is not known meet with a serious accident and needs blood transfusion immediately. Which one of the blood group mentioned below and readily available in the hospital will be safe for transfusion
O, Rh+
309 - Which letter indicates systolic pressure?
A
310 - The first heart transplantation was performed by
Dr. C. Barnard
311 - Which of the following is true about blood plasma?
It is about 90% water
312 - Most of the oxygen transported by the blood is
Bound to hemoglobin
313 - Which of the following is not the part of digestive system ?
Cornea
314 - The enzyme found in saliva
Ptylin
315 - Which of the following is the largest gland in human body?
Liver
316 - Which of the following is not a digestive enzyme in the human system?
Gastrin
317 - In the human body which sturcture is the appendix attached to
Large intestine
318 - The plant body not differentiated into root,shoot and stem is termed
Thallus
319 - Capitulum is also given another name
Head
320 - In all arthropods,the body is covered with a chittinous cuticle which is secreted by the
Epidermis
321 - Scientist who is known as father of Botany
Theophrastus
322 - They are probably the simplest and the smallest living organisms possessing cellular organisation .
Bacteria
323 - Sexual reproduction in Algae that takes place through fusion of two dissimilar size gametes is called?
Anisogamous
324 - Floridian starch is characteristic energy storage material of which algae?
Red algae
325 - Which of the following does not have any enzymes in its cells?
Virus
326 - Statement which is true about bacteria ?
Most of them are heterotrophs but some are autotrophs
327 - During which phase centromeres divide and chromatids separate into chromosomes?
Anaphase
328 - The shape of chromosome is clearly visible at
Metaphase
329 - How many daughter cells are formed after the completion mitosis?
2
330 - Pollen is produced by the process of
Mitosis
331 - How many daughter cells reproduces after the completion of Meiosis II?
4 daughter cells
332 - Which of the following is a mixed gland
Pancreas
333 - Female reproductive hormones is
All of these
334 - Which of the following is an endocrine gland?
Reproductive glands
335 - Growth hormone is secreted form
Pituitary
336 - Most Important gland of human body is
Pituitary
337 - Algae and fungi are collectively known as
Thallophytes
338 - Which of the following is true about bryophytes
All of these
339 - In birds, some of the vertebrae are fused to form
Synsacrum
340 - They play a central role in the making of dairy products such as butter ,cheese,yogurt etc.
Bacteria
341 - There are certain bacteria which can fix atmospheric gas named
Nitrogen
342 - What do eukaryotic cells have that prokaryotic cells do not?
Nucleus
343 - The sea horse belongs to the class of
Fishes
344 - They are considered to be the most primitive and are surely the first of the vertebrates
Jawless fishes
345 - There are extremely diverse group of organisms
Fungi
346 - In Animal Kingdom classification, which of the following is not a Phylum?
Coelomates
347 - Through Nitrogen fixation process nitrogen in the atmosphere is converted into
Ammonium
348 - In plants,which cells carry out photosynthesis?
Chlorenchymatous
349 - Part of the plant where photosynthesis generally occurs
Leaves
350 - The energy stored in photosynthesis is obtained from
Sunlight
351 - Maximum fixation of solar energy is done by
Green plants
352 - In cross section each centriole consists of a cylindrical array of how many microtubules?
9
353 - Which phase's intiationis indicated by the appearance of the chromosomes as thin threads in the nucleus?
Prophase
354 - In which of these mitosis is missing and the cell divided by binary fission?
Prokaryotes
355 - Which event occurs during interphase?
The cell grows
356 - The stage of mitosis at which chromatids separate as independent chromosomes is the
Anaphase
357 - In Pedology we study about
Soil
358 - Biological control is to check growth of
One pest by another
359 - The biofertilizer used or the paddy crops is
Blue-green algae
360 - Which of the following plants have root nodules?
Leguminous plants
361 - Branch of agriculture concerned with the production of crops is
Agronomy
362 - What does stomach acid mostly consist of
Hydrochloric Acid
363 - Which one of the following is a digestive hormone
Gastrin
364 - The teeth lacking in Herbivorous animals is
Premolar
365 - Alimentary canal runs from mouth to
Anus
366 - Which one is the longest part of the alimentary canal
Small Intestine
367 - Night Blindness is caused by deficiency of which of the following Vitamin?
Vitamin A
368 - Organisms that feed on the excreta of other organisms are called
Coprophagous
369 - Which of the following vitamin helps in clotting of blood?
Vitamin K
370 - Anaemia is due to deficiency of
Fe
371 - In what chief capacity does vitamin k function?
Blood clot
372 - Pellagra and Scurvy are caused by which pair of vitamin deficiency respectively ________
VitaminB-12 and VitaminC
373 - The kilo calories of energy released from one gram of fats is
9.45
374 - Deficiency of fluoride leads to Which one of the following health problems?
Tooth caries
375 - Which of the following is not a function of proteins?
Store and transmit Heredity
376 - Bleeding of gums, falling of teeth, fragile bones and delayed wound healing occur due to the deficiency of which one of the following vitamins?
Vitamin C
377 - Which of the following plays an important part in photosynthesis?
Chloroplast
378 - Which of the following plays an important role in photosynthesis?
Chloroplast
379 - Which of the following gas is necessary for the process of photosynthesis?
CO2
380 - Photosynthesis fulfills which of the following requirements of the autotrophic organisms?I. CarbonII. WaterIII. Energy
I and III
381 - The gas released during the photosynthesis by the green plants is
Oxygen
382 - Jaundice in human beings is the result of
Incomplete metabolism of bilirubin
383 - Which of the following can be a symptom of AIDS?
Tiredness
384 - Which one of the following is a hereditary disease ?
Haemophilia
385 - Malaria is more common in
Tropical areas
386 - Pathology is the branch of science which deal with the study of
All of them
387 - Bile produced by
Liver
388 - Digestion started in man from
Mouth
389 - Where does digestion of protein begin?
Stomach
390 - After digestion protein is converted into
Amino acid
391 - Digestion of starch in mouth takes place by
Ptyline
392 - The terminal part of the carpel in a flower, which may be sticky is ________
Stigma
393 - The study of flower is known as
Anthology
394 - The innermost part of a flower is known as
Stamens
395 - Ophthalmology is the branch of science in which we study about
Eye
396 - At which stage in its life cycle does the silkworm yield the fiber of commercial use
Pupa
397 - Pressure, pain, and temperature receptors in the skin are
Exteroceptors
398 - Goosebumps are caused by contractions of the
Muscles
399 - Lacrymal glands are situated in the
Buccal cavity
400 - Which of the following acts as an insulator against heat, cold and as a shock-absorber in the body ?
Subcutaneous fat layer
401 - A/An ________ tissue is formed beneath the skin and between internal organs
Adipose
402 - In how many parts is the human brain divided?
3
403 - Centre of reflex action
Spinal cord
404 - Cerebro spinal fluid protects
Brain
405 - Cerebrum is related to
Brain
406 - Which part of brain controls fine movement, maintains balance and equilibrium of the body and muscle tone in a human being ?
Cerebellum
407 - Karl Landsteiner discovered
Blood groups
408 - Which of the following is nucessary for digestion of food ?
Enzyme
409 - Where are Enzymes found?
Human body
410 - Enzymes are important because they
Speeds up chemical reactions
411 - Which one is the largest gland of human body
Liver
412 - Colon and rectum is a part of
Large Intestine
413 - Biological membranes are composed of
All of the above
414 - Biological membranes are composed of
60% proteins and 40% lipids
415 - They are double membrane structures that are commonly oval or disc shaped.
Ribosomes
416 - The cell wall of plants is generally made up of cellulose and is differently structured then that of a
Bacterium
417 - Which cell feature is responsible for making proteins?
Ribosomes
418 - The group of pistals or carpels is collectively spoken off as a
Gynaecium
419 - Each stamen has a slender stalk or filament at the top of which a pollen bearing organ is present
Anther
420 - All sepals collectively constitute a structure termed as
Calyx
421 - An expanded basal portion of carpel is called as
Ovary
422 - Taken together the petals constitute
Corolla
423 - Which structure is specific to eukaryotic cells?
Nucleus
424 - Which of these statements is true of the kingdom protista?
All are eukaryotic
425 - Study of internal structure of organism iscalled
Anatomy
426 - Biology is the scientific study of
Living organisms
427 - Which of the following does not have blood but undergoes respiration ?
Hydra
428 - Which of the following plants produce only seeds but no fruit?
Cycas
429 - Study of pulse and arterial blood pressure is called
Sphygmology
430 - Longest artery found in the body of human
Arota
431 - Oxygen in our blood is transported by a protein named
Haemoglobin
432 - Who was the discoverer of human blood groups ?
Landsteiner
433 - Study of blood is called
Hematalogy
434 - What does the central nervous system consists of?
All the above
435 - Virus range in size from
2 nm to 300 nm
436 - Virus was discovered by
D.Lwanowski
437 - The study of microrganisms is termed as
Microbiology
438 - Entamoeba Histolytica is a
Protozoan
439 - Amoeba belongs to which group
Protozoa
440 - Who discovered the insecticidal properties of DDT?
Paul Muller
441 - There is no bacteria activity in which of the following process?
Ripening of cheese
442 - ________ reproduces by binary fission.
Amoeba
443 - The DNA of the bacterium is found present in a distinct nuclear region called
Nucleoid
444 - In autotrophic bacteria, where is chlorophyll located?
In the infolded plasma membrane
445 - Prokaryotic cells lack
All the above
446 - The science related with the study of living
Biology
447 - Ribosomes are produced in the
Nucleus
448 - Which of the following organelle is known as the 'Power House' of the cell?
Mitochondria
449 - Smallest cell in human body is
Sperm
450 - Infection of salivary glands by a virus leads to
Mumps
451 - Which Virus causes Chicken Pox?
Herpes Zoster Virus
452 - Besides Dog, which one is the other animal that can also cause rabies
Bat
453 - Theilreia parva causes infection in
Buffalo
454 - The genotype of a plant showing a dominant phenotype can be determined by
Testcross
455 - Which of the following is not true of colour blindness?
A colour blind person cannot see any colours
456 - Stem Cell Therapy (SCT) is not useful for the treatment of which one of the following ailments ?
Vision impairment
457 - Which part of human eye controls the amount of light entering the eye
Pupil
458 - A seed is ripened
Ovule
459 - Which among the following is not a true fruit?
Apple
460 - Which of these is unique to flowering plants?
Double fertilization
461 - The pollination by snail is called
Malacophily
462 - Which one of the following completes the given statement correctly ?A seed is a ripened
Ovule
463 - Sponges belongs to the phylum
Porifera
464 - Study of algae is called
Phycology
465 - Study of butterfly is
Lapidopterology
466 - Which one of the following is the largest phylum in the animal kingdom ?
Arthopoda
467 - When a Cuttlefish is described as a Molluscs, it is at which level of classification?
Phylum
468 - Late blight of potato is caused by
Phytophthora infestens
469 - Amoeba proteus was discovered by
Johann Rösel von Rosenhof
470 - Which of the fungi is commonly called as bread mould
Rhizopus
471 - In N2- fixation process, nitrite is converted to nitrate by
Nitrobacter
472 - Green mould is common name for
Penicillium
473 - In test tube baby
Fertilization of ova takes place in test tube which development of embryo occur in uterus
474 - In uterus embryo get their nutrition through a structure called
Placenta
475 - Study of female reproductive system is
Gyneocology
476 - Which among the following is/are female hormones? (i) Estrogen (ii) Progesterone (iii) Testosterone
(i) and (ii)
477 - Fertilization in human takes place inside
Oviduct
478 - Which of the following bacterium causes crown gall disease in plants?
Agrobacterium tumefaciens
479 - In plants which one of the following tissues is dead ?
Sclerenchyma
480 - ________ connects muscle to the bones.
Tendons
481 - In animals like Annelids, Molluscs, organs have associated to form functional systems, each system concerned with a specific physiological function. This pattern is called ________ system level of organization.
Organ
482 - Xylem helps in transportation of which of the following?
Water
483 - Saliva secreted from mouth digest
Starch
484 - Which organ has finger like outgrowths which are called as Villi (Singular Villus)?
Small Intestine
485 - A large number of bacteria in our digestive system, especially in the ________ and large intestine are important in completing digestive processes
Small intestine
486 - Pepsin is an enzyme that digests ________ .
Proteins
487 - Which among the following is used to treat Indigestion?
Antacid
488 - The subcellular organelle not bound by a single membrane is
Lysosomes
489 - Which one is not found in the composition of Plasma membrane
Minerals
490 - Which organelle in the cell, other than nucleus contains DNA
Mitochondria
491 - The single membrane surrounding vacuoles in plant cells is known as
Tonoplast
492 - Cellular respiration occurs in
Mitochondria
493 - Reflex actions are controlled by
The Spinal Chord
494 - What part of the body controls balance?
Cerebellum
495 - Which part of the brain is responsible for consciousness?
Cerebrum
496 - Which part of Nervous system controls involuntary actions
Medulla oblongata
497 - The brain is covered by
All the above
498 - Metal present in Haemoglobin
Iron
499 - The right portion of human heart receives ________ blood.
Impure
500 - Arteries supplying blood to the heart are called
Coronary arteries
501 - The plasma of the blood contains which among the following constituents? I. Proteins II. Salts III. Hormones
All I, II and III
502 - Antibodies is produced in the plasma of blood by
Lymphocytes
503 - Who proposed third kingdom system?
Earnst Hackel
504 - Which is true for bryophytes?
Heterogamy
505 - Amoeba reproduces a sexually by?
Binary fission
506 - Which of the following is not found in RNA?
Thymine
507 - A plant in the subdivision Psiolpsida has no true:
Leaves and Roots
508 - Epitopes (Antigenic determinants) bind to which portion of antibody?
Variable region
509 - Generic name of mango is?
Mangifera
510 - In photosynthesis hydrogen is transformed from the light reactions to dark reactions by?
NADP
511 - Group with unknown evolutionary relation is called?
Paraphyletic
512 - Water movement from cell to cell through plasmodesmata is?
Symplastic
513 - Which of the following drug is responsible for reduction of limbs in humans?
Thalidomide
514 - In the light reaction of photosynthesis when electron of passed to electron transport chain ___ is produced?
ATP
515 - All of the following change the gene frequency except:
Inbreeding
516 - "Kissing bugs" act as the transmitting agent of:
Chagas Disease
517 - Triplet code of CAT in DNA is represented as __ and __ in tRNA.
GUA, CAU
518 - Identify the feeding mode of extinct conodonts?
Predation
519 - What is a bolus?
A mechanically crushed food mixed with saliva
520 - Amphibians without tail belong to order?
Anura
521 - Which metabolic process in bacteria is directly inhibited by the penicillin?
Synthesis of Cell Wall
522 - Who are the main producers in an ecosystem?
Green plants
523 - Book 'Study of Instinct' was published by?
Niko Tinbergen
524 - Lateral line system is present in?
Fish
525 - A person with high fever feels faster breathing due to?
Increased body temperature
526 - Term Mutation was introduced by?
De Varies
527 - Kranz anatomy is characteristic feature of?
C4 plants
528 - The decline of MPF at the end of mitosis is caused by?
The enzymatic destruction of the cyclin
529 - Placenta develop in embryonic stage in?
Eutheria
530 - In ___ part of the alimentary canal the maximum absorption of nutrients occurs.
Small intestine
531 - Which scientist proposed that 'All living cells arise from pre existing cells'?
Rudolf Virchow
532 - Algae and other plants submerged in water float during day and sink at night because?
They become buoyant due to accumulation of oxygen as a result of photosynthesis.
533 - Asymmetric animals?
Sponges
534 - Any adulterated elements leak into group, filtration and are carried into ground water reservoir is known as?
Water pollution
535 - Actual percentage of water used during photosynthesis is?
1%
536 - Tropical rain forests are found in the areas where average annual rainfall is ___ .
200 cm
537 - Which of the following is called a flower animal?
Sea Anemone
538 - Which of the following animal is a parasite?
Entamoeba Histolytica
539 - The cells from the body of organism are called?
Somatic cells
540 - Scientific name for Planaria is?
Dugesia
541 - In bread the percentage of proteins is?
9%
542 - In mustard flowers are?
Hypogynous
543 - Which of the following is an example of head and tail bacteriophage?
Lambda phage
544 - The taste organs in insects are called:
Taste hairs
545 - Maximum possible volume of air during inspiration is called?
Vital capacity
546 - Which vitamin produced in skin?
Vitamin D
547 - Intervening sequence of genes is called?
Introns
548 - Which of the following are the features of glycogen?
All of the above
549 - An enzyme called __ is found in body fluids has antimicrobial activity.
Lysozyme
550 - Fungi in the division oomycota are known as:
Egg fungi
551 - Largest invertebrates animal is?
Squid
552 - Outer covering of virus made up of protein is?
Capsid
553 - How much globulin is present in human serum?
2.6 to 3.5 g/dL
554 - Plants pathogenic fungi that weaken the plants and reduce the yield had traditionally been controlled by using?
Fungicides
555 - Who is the first muslim scientist who studied animals in details?
Abdul Malik Asmai
556 - If chlorophyll is burnt what will be left?
Magnesium
557 - Splitting of atom is also called?
Fission
558 - In which branch of biology do we study insects?
Entomology
559 - Birds that fly at high altitudes need and especially respiratory system because?
There is little oxygen in the atmosphere at high altitude.
560 - Enzyme involved in the interconversion of relaxed and supercoiled form of DNA molecule?
Topoisomerase
561 - What are the character of stem cell?
Both A & B
562 - Due to loss of water cytoplasm of cell shrinks which is called?
Plasmolysis
563 - Total number of amino acids in hemoglobin molecule are?
574
564 - How much of the cytoplasm of red blood cells have haemoglobin?
95%
565 - Hydrostatic skeleton is found in?
Earth Worm
566 - When a single gene effects two or more traits the phenomenon is called?
Pleiotropy
567 - Character of gymnosperms?
Naked seeded plants
568 - Selection acts directly on?
Phenotype
569 - Which of the following tissue is involved in strengthening of plant body?
Sclerenchyma
570 - There are the free living platyheminthes?
Turbelleria
571 - Which geological period in the age of earth is also known as the age of fish?
Devonian period
572 - Plant hormone causing abscission, leaf senescence, seed dormancy and inhibition of cell division?
Abcisic Acid
573 - Which tissue is responsible for increase in length of root and stem?
Apical Meristem
574 - Which one of the following is a fruit?
Lady's Finger
575 - Sacculas relates to which part of Bacteria?
Cell wall
576 - Type of histones found associated with DNA are?
5
577 - Virus size is measured in?
Nanometer
578 - Who coined the term Meiosis?
Farmer
579 - Trimethylamine oxide is produced in?
Sharks
580 - Enzyme catalysing peptide bond formation is located in?
Cytoplasm
581 - Most highly evolved arthropods?
Chelicerata
582 - Homologous chromosomes segregate towards opposite poles of a dividing cell during:
Meiosis I
583 - The division of Cytoplasm in Mitosis is called?
Cytokinesis
584 - Musca domestica is the scientific name of?
House Fly
585 - In the evolution of modern man (Homo sapiens) from his ancestors, identify the most significant trend?
Increasing cranial capacity
586 - Ascaris is?
Pseudo Coelomate
587 - Chromosomes are composed of?
Proteins and DNA
588 - When two male pronuclei unit with a female pronucleus is termed as:
Polyandry
589 - Venom of viper effects?
Nervous system
590 - Which of the following is responsible to cause Klinefelter syndrome?
XXY
591 - Which is a mucopolysacchride?
Chitin
592 - Condition in which a gene influences more than one trait is called?
Pleiotropy
593 - Stem cells can divide through?
Mitosis and can renew
594 - The germinal layer in animal embryo give rise to the?
Endoderm
595 - which one of the following organisms is not an autotroph?
Mushroom
596 - The elongation of leading strand during DNA synthesis:
Depends on the activation of DNA polymerase.
597 - The number of Alveoli in human lungs is estimated to be around __ .
500 Million
598 - Which of the following cell organelles does not participate in cellular division?
Ribosomes
599 - Which property of water minimizes temperature changes in cell and organisms?
Specific heat capacity
600 - What do we call the tubes where food is digested?
Intestines
601 - The process by which a tissue causes another tissue to differentiate is called:
Induction
602 - Inner surface of ectoderm has positive affinity for?
Mesodermal cells
603 - Which of the following occurs in eukaryotes but not in prokaryotes?
Splicing
604 - Red data book provides data on?
Endanger plant and animals
605 - ___ are responsible for blood clotting.
Platelets
606 - Which among following synthesized first during photosynthesis?
Simple Sugars
607 - If CO2 concentration increases in blood the breathing will?
Increase
608 - How many base pairs are there in every turn of Watson Crick double Helical model?
10.4
609 - Linking of Ca2+ ion with calmodulin activates __ in the contraction cycle of smooth muscles.
MLC Kinase
610 - The hormones responsible for the amphibians metamorphosis is?
Thyroxine
611 - Which snake is the largest and heavy snake in the world?
Green Anaconda
612 - The genetic disorder Sickle cell anemia is an example of?
Pleiotropy
613 - The logical conclusions drawn from the hypothesis are called?
Deduction
614 - Which one is tightly bounded to the cell membrane?
Adenylyl Cyclase
615 - Sickle cell anemia is due to defect in?
Beta Chain
616 - Pepsin enzyme work in?
Cavity of Stomach
617 - Genetic recombination takes place during which phase of meiosis?
Meiotic phase I
618 - Metals ions used by many enzymes to change the functional active sites to functional ones are called?
Co-factors
619 - The chief atmospheric layer present near the surface of the earth is?
Troposphere
620 - Classification of arthropoda is based in the number of structure of?
Body segments and Appendages
621 - Process of glycolysis is found in?
Cytoplasm
622 - Deletion or insertion of a nucleotide causes?
Frame shift mutation
623 - which one is drought resistant xerophyte(Succulent plant)?
Opuntia
624 - Behaviour which is inherited is known as?
Innate
625 - Which of the following systematics have traditional approach?
Evolutionary
626 - Deposition of CDNA into the inert structure is known as?
DNA microarrays
627 - Average life span of a blood platelets is?
7 to 8 Days
628 - The nervous system was first developed in?
Flat worms
629 - Christian Rene De Duve discovered a part of cell known as?
Lysosome
630 - Uterine tube terminate in a hollow muscular organ in front of the rectum and behind the urinary bladder is called?
Uterus
631 - Which endoctrine glands become inactive during old age?
Thymus
632 - Pigmentation of skin is due to?
Melanocytes
633 - Siverfish occasionally damage?
Book Binding
634 - In mollusca the foot is modified into funnel in?
Cephalopoda
635 - During anaerobic oxidation of glucose molecule __ ATP molecules are gained as net profit.
2
636 - Smog is composed of?
Both A & B
637 - The RNA molecules that exhibit catalytic activity are called?
Ribozymes
638 - Human dentition is of type?
Bunodont
639 - NADP+ is an?
All of the above
640 - Which of the following is evidence that molluscs and annelids have common ancestor?
They have a Trochophore larva
641 - What is the mass of heart in normal human adult?
250-350 Gram
642 - Which of the following is known as pacemaker of the heart?
S-A node
643 - Primary carboxylation in C3 plants is carried out by the enzyme?
RUPB Carboxylase/oxygenase
644 - Plant species having a wide range of genetical distribution evolve into a local population known as?
Ecotype
645 - In female mammals which of the following hormone induces the mammary glands to secrete and eject milk?
Oxytocin
646 - ___ senses are used for observation.
5
647 - The activity of succinate dehydrogenase is inhibited by?
Melonate
648 - Synthesis of an RNA molecule from DNA is called?
Transcription
649 - Birds which swim in water have?
Webbed feet
650 - An animal specifies with diaphragm can be expected to have?
Hair
651 - A major difference between marine and freshwater animal lies in:
Toxicity of body fluids
652 - The X-ray diffraction studies by __ played key role of discovery of DNA structure.
Franklin
653 - Many of the animals when from the different ancestors colonize similar habitats, acquire similar adaptations and resemblance with one another superficially is called as?
Convergent evolution
654 - Viral genome is integrated into host genome by which of the following enzyme?
DNA integrase
655 - Excretory organ in Ascaris are:
Renette Cell
656 - Adrenal medulla is derivative of?
Ectoderm
657 - The class of seedless plants containing foliar sporangia is?
Filicinae
658 - Human immunodeficiency virus affects ___ .
Helper T lymphocytes(CD4)
659 - Which of the following syndrome is depicted by having additional Y chromosomes?
Jacob Syndrome
660 - Immunological destruction of body tissues or product due to antibodies reacting with it as antigen is called?
Autoimmune Disease
661 - Blood group ABO blood group system without antigens is?
O
662 - Two alternative forms of genes are?
Alleles
663 - Which one of the following is not a connective tissue?
Nerve
664 - Photosynthesis is most active in?
Red light
665 - One of the following is organelle of symbiotic origin?
Chloroplast
666 - Decrease in pH causes disruption in?
Tertiary structure
667 - ___ animals produce urea.
Cartilaginous fish
668 - Bacterial resistance to antibodies is a genetic trait that is carried in the bacterial cell?
Plasmid
669 - Lichens are composite organisms consisting of?
Algae and Fungi
670 - Phenetic classification of organisms is based on?
Observable characters of existing characters
671 - Weathering may be?
All of the above
672 - The cells which produce roots hairs are called?
Trichoblasts
673 - Where do you transfer nucleus for cloning?
Enucleated egg
674 - Flat worms, some cnidarians and gastromolluscs move by means of waves of activity in the muscular system. This type of movement is called?
Pedal locomotion
675 - Petromyzone belongs to?
Agnatha
676 - New allele can be introduced into a population gene pool by ___ .
Both A & C
677 - Apart from hearing, what other major other body function is performed by the ear?
Body Balancing
678 - Sensivity of the avian ear is due to a?
100 to 10000 Hz
679 - Transcription is most similar to?
DNA Replication
680 - Chlorophyll 'a' is characterized by the side group of:
Methyl
681 - Power of regeneration in sponges is due to?
Archeocytes
682 - Bacterial cell wall is made up of?
N-acetyl glucosamine, N-acetyl muramic acid & Amino Acids
683 - Plants that grow under average temperature and moisture conditions are called?
Mesophytes
684 - Identify inherited disease among following?
Thalassaemia
685 - Preen glands are present in?
Birds
686 - This is a polyunsaturated fatty acid?
Linoleic acid
687 - Which enzymes are used for removal of proteins stains from clothes?
Protease
688 - The largest and strongest chamber in the heart is?
Left ventricle
689 - Many zoologists believe that multicellularity could have arisen as dividing cells remain together in the fashion of many colonial protists. This hypothesis is known as?
Syncytial hypothesis
690 - Which vitamin is water soluble?
Vitamin C
691 - The larvae of lobster is known as?
Phyllosoma
692 - The movement of molecules from an area of higher concentration to the area of lower concentration is called?
Diffusion
693 - How many pairs of cranial nerves are usually associated with the fish brain?
10
694 - Cytokine follows __ type of cells to cell signalling.
Autocrine
695 - The growing season would generally be shortest in which biome?
Taiga
696 - Ribosomes when not involved in protein synthesis consist of:
rRNA and Proteins
697 - Coaxal glands are present in?
Spider
698 - ___ is found in the cell wall of Fungi.
Chittin
699 - Which taxa are not included by Vonn Linnaeus?
Domain
700 - Among the following which one is diploblastic organism?
Hydra
Pages
No comments:
Post a Comment
Your Valued Comments Help us to improve our site. Thanks