1 - ________ is a by product of sewage treatment and can be decomposed to produce biogas
Sludge
2 - ________ is a hormone that regulates the amount of glucose in the blood.
Insulin
3 - A fertile soil is likely to have a pH of
44719
4 - A gland below the bladder and surrounding the urethra is
Prostate
5 - A man with colour blindness will see red as
Green
6 - A periscope works by the principle of
Total internal reflection
7 - A periscope works on the principle of
Total internal reflection
8 - A polymeric substance used to make parachute is
Viscose
9 - A pungent smell often present near the urinals is due to
Ammonia
10 - A species inhabiting different geographical areas is known as
Allopatric species
11 - A thick paste of cement, sand and water is called
Mortar
12 - Accumulation of which one of the following in the leads to cramp?
Lactic acid
13 - Acid rain is caused due to pollution of atmosphere by
Oxides of nitrogen and sulphur
14 - Activated Charcoal is used to remove colouring matter from pure substances by
Adsorption
15 - Air moves from the region where the air ________
Pressure is high to the region where the pressure is low
16 - Air shows the property of
Both A and B
17 - Aluminium chloride is
Lewis Acid
18 - Amarbel is an example of
Parasite
19 - Ammonial is a mixture of
Aluminium powder and ammonium nitrate
20 - Amoeba moves in water with the help of locomotory organs called
Pseudopodia
21 - Among the following iron ores, the highest percentage of iron content is found in–
Haemetite
22 - Among the given nutrients, milk is a poor source of
Vitamin C
23 - An emulsion is a colloid of a
Liquid in a liquid
24 - An emulsion is a colloidal solution of
Liquid in liquid
25 - An example of heterocyclic compound is
Furan
26 - An image formed by a plane mirror, that cannot be obtained on a screen is called ________
Virtual image
27 - An important function of fat in the body is to
All of the above
28 - An individual whose blood type is B may in an emergency, donate blood to a person whose blood type is
AB or B
29 - An inert gas mixed with oxygen given to patients suffering from restricted breathing is
Helium
30 - Anaemia is caused because of deficiency of which of the following?
Iron
31 - Antacids are found in drugs that give relief to
Stomach ache
32 - Antigens 'A' and 'B' are absent in persons belong to blood group
'O'
33 - Artocarpus integra is the scientific name of ________ .
Jack fruit
34 - Assertion (A) : Synthetic detergents can lather when in hard water. Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water.
Both A and R is true and R is the correct explanation of A
35 - Asthma is caused due to
Spasm in bronchial muscles
36 - Bacteria are (were) considered more as plants than animals because of the presence of
Cell wall
37 - Bakelite is a co-polymer of Phenol and
Formaldehyde
38 - Bauxite is an alloy of which of the following metals ?
Aluminium
39 - Biological complete proteins are found in
Meat, Milk, Egg
40 - Biologists mainly deal with matters relating to
All three a b and c
41 - Blood is
Alkaline
42 - Blood pressure is measured with
Sphygmomanometer
43 - Blood vessel bringing blood into Bowman's capsule is
Afferent arteriole
44 - Bone deformities occur due to the excess intake of
Fluorine
45 - Branch of biology in which we study about relationship between living and their environment.
Ecology
46 - Brass gets discoloured in air due to constant exposure in presence of:
Hydrogen sulphide
47 - Cancer is caused by
Uncontrolled mitosis
48 - Carica papaya is the scientific name of ________ .
Papaya
49 - Catalytic converters are generally made from :
Transition metals
50 - Cellular respiration is best associated with the
Mitochondrion
51 - Cellulose is a
Carbohydrate
52 - Cement is usually a mixture of :
Calcium silicate and calcium aluminate
53 - Chemical name of bleaching powder is :
Calcium hypochlorite
54 - Chemical name of Gammaxane is
Chloro benzene
55 - Chemically ‘Quick Silver' is known as
Mercury
56 - Coating of solid waste with impervious material is known as
Encapsulation
57 - Colloids can be purified by
Dialysis
58 - Compared to land, the open oceans
Are nutrient-poor environments
59 - Concentration of a material which is lethal to 50% animal is called
LD50
60 - Corpus luteum is associated with
Ovary
61 - Cortisol is secreted by
Adrenal gland
62 - Deficiency of 'Thiamine'
Beri-Beri
63 - Detergents clean surfaces on the principle of
Surface tension
64 - Dialysis is used to perform the function of
Kidney
65 - Different forms of genes are called
Allele
66 - Epsom salt is used
As purgative
67 - Excretion is best described as the removal of
Metabolic wastes from a cell
68 - Filtration of blood occur in
Bowmen's capsule
69 - Filtration of blood takes place in
Kidney
70 - Fishes have a ________ chambered heart.
Two
71 - Food wrapped in news paper is likely to get contaminated by
Lead
72 - Froth floatation process to concentrate the minerals is applicable to
Chalcopyrites
73 - Fully mature human RBCs has
No nucleus
74 - Function of heart in human body
Work like pumping machines
75 - Function of hemoglobin is
To transport oxygen
76 - Galena is a mineral of
Lead
77 - Goitre is due to the deficiency of
Iodine
78 - Green pigment is called
Chlorophyll
79 - Grevillea Robusta is the scientific name of ________ .
Silver Oak
80 - Haloarenes are more stable than haloalkanes due to
Resonance effect
81 - Hard steel contains
0.5 to 1.5 per cent carbon
82 - Hardness of the water is commonly measured in terms of
Calcium carbonate equivalents
83 - Heavy metals got their name because compared to other atoms they have
Higher atomic masses
84 - Helium is added to the oxygen supply of deep sea divers because it is
Less soluble in blood than nitrogen at high pressure
85 - Human eye can differentiate between colors due to
Cones
86 - Human heart is made up of
Cardiac muscle
87 - Hydraulic brakes work on the principle of
Pascal's law
88 - Hydrogen is not found in atmosphere because
It is the lightest gas
89 - Identify the metal which is non toxic in nature.
Gold
90 - If the equilibrium constants for the systems H2 + I2 -> 2HI and 2HI -> H2 + I2 are K1 and K2 respectively, the relationship between K1 and K2 is :
K1= 1/K2
91 - If there is one million Mg2+ ions in MgCl2, how many chloride ions are there?
Two million
92 - If you look into a mirror and find that the image (your reflection) is smaller than you, then the type of the mirror is:
Convex mirror
93 - Important component that helps in clotting of the blood is called ________ .
Platelets
94 - In 1610, who made microscope and used it to observe very small animals?
Galilo
95 - In 1910, who proved the idea of W.S.Sutton that genes are located on chromosomes?
T.H.Morgan
96 - In a cell process of respiration takes place in
Mitochondria
97 - In arc welding, Argon is used because of its
Low reactivity with metal
98 - In human beings influenza is caused by
Viruses
99 - In Mammal urinary bladder open into
Urethra
100 - In organic compounds, nitrogen is estimated by
Dumas method
101 - In Photosynthesis
Light energy is converted into chemical energy
102 - In sugar solution,
Sugar is solute, water is solvent
103 - In the cell of animals ,some micro-organisms and lower plants contain
Two centriole
104 - In vulcanisation process, rubber can be hardened by adding
Sulphur
105 - In which body cavities are the lungs located
Thoracic cavity
106 - In which phylum nerve cells are found but nerves are absent ?
Coelenterata
107 - Instrument used to measure blood pressure is
sphygmomanometer
108 - Iodine value is used to estimate
Unsaturation in oil
109 - Iron and manganese present as pollutants in water cannot be removed by________
Chlorination
110 - Iron rusts quickly in
Sea water
111 - Islets of Langerhans are present in
Pancreas
112 - Isobars are lines joining places having equal
Pressure
113 - It is the basic structure found in all membranes such as those of mitochonchondria and chloroplasts.
Unit membrane
114 - Kwashiorkor disease in children is caused by
Sufficient carbohydrates and fats but deficient proteins in diet
115 - Kyoto Protocol is associated with
Climate change
116 - Largest part of human brain is
Cerebrum
117 - Lathyrism is caused by excess consumption of________
Khesari Dal
118 - Lead in water can cause
Kidney damage
119 - Lichen is a composite combination of two organisms.
Algae and Fungi
120 - Light travels fastest in
Air
121 - Light travels slowest in
Glass
122 - Litmus is obtained from
Lichen
123 - Lobsters belong to which one of the following classes of organisms ?
Crustaceans
124 - Loop of henry is related with
Excretory system
125 - Lungs are covered by
Pleura
126 - Lymph carries digested and absorbed fat from ________ .
Intestine
127 - Lysosome is formed from which of the following cell organelles?
Golgi bodies
128 - Main function of white blood corpuscles is
To produce immune system of body
129 - Main nitrogenous product formed in man
Urea
130 - Malathion is a/an
Insecticide
131 - Mark the compound which possess ionic, covalent and coordinate bonds.
NH4Cl
132 - Maximum permissible concentration of copper in drinking water in mg/L is
1
133 - Maximum permissible concentration of total hardness in drinking water is
200
134 - Melvin calvin got Noble Prize for his studies on
Carbon fixation
135 - Membrane bound organelles are not found in the cells of
Prokaryotes
136 - Membrane bound pigment containing bodies present in the cells are called as
Plastids
137 - Mercury is emitted into air by
Burning garbage
138 - Milk is a colloidal system in which:
Fat is dispersed in water
139 - Muscles get tired when there is shortfall of ________ .
ATP
140 - Natural rubber is the polymer of :
Isoprene
141 - Nephrology is the study of
Kidney
142 - Nephron is related to which of the following system of human body?
Excretory system
143 - Nitrogen Fixation is carried out primarily by
Bacteria
144 - Number of which type of WBC is greatest in blood of human
Neutrophils
145 - Of the following ,which of the most fundamental generalization in biology?
Cell theory
146 - One of the following cannot be performed by animals
Photosynthesis
147 - Optical fibres are based on the phenomenon of
Total Internal Reflection
148 - Organisms that depend only on raw plant products are said to be
Herbivorous
149 - Organisms which synthesise their own food are called
Autotrophs
150 - Oxygen crosses a plasma membrane by
Osmosis
151 - Ozone consists of
Oxygen only
152 - Ozone layer is present in
Stratosphere
153 - Ozone layer of atmosphere absorbs:
Ultraviolet rays
154 - Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called
Aerosols
155 - Percentage of lead in lead pencils is
0
156 - Permanent hardness of water may be removed by addition of
Sodium carbonate
157 - Petroleum consists of a mixture of
Hydrocarbons
158 - Petroleum is a mixture of
Hydrocarbons
159 - pH value between 6.5-7.5 makes the soil
None of these
160 - Philosopher's wool is chemically
Zinc oxide
161 - Photosynthesis occurs in
Chloroplast
162 - Photosynthesis takes place in the presence of chlorophyll and ________ .
Sunlight
163 - Physico-chemical characteristics of water in water sources undergo changes due to
Effluents
164 - Pineal gland is situated in
Brain
165 - Piped Natural Gas (PNG) is used for
Cooking
166 - Plants utilise ________ from the atmosphere for photosynthesis
Carbon dioxide
167 - Poison used for killing rats is
Zinc phosphide (Zn3P2)
168 - Pollutant from motor car exhaust that causes mental disease is
Lead
169 - Potassium Permanganate is used for purifying drinking water, because________
It is an oxidising agent
170 - Precentage of CO2 found in exhaled air
0.04
171 - Psidium guajava is the scientific name of ________ .
Guava
172 - Pulse rate we get from
Artery
173 - Purification of blood takes place in
Lungs
174 - PVC is obtained by the polymerisation of
Vinyl chloride
175 - Quartz is a crystalline form of
Silica
176 - Rate of transpiration can be measured by
Ganong's potometer
177 - Red colour of blood is due to presence of
Hemoglobin
178 - Removal of carbon particles from air involves the principle of
Electrophoresis
179 - Rh factor is discovered by
Landsteiner and Weiner
180 - Rh factor is related with
Monkey
181 - Ribosomes are produced in
Nucleolus
182 - Sea water is saltier than rain water because
Rivers wash away salts from earth and pour them into the sea
183 - Sea weeds are important source of
Iodine
184 - Seaweeds are important source of
Iodine
185 - Sickle-cell anemia is a disease caused due to the abnormality in
Red blood cell
186 - Silica gel is a
Drying agent
187 - Slow oxidative muscle fiber are best suited for
Running a marathon
188 - Snakes receive sound vibrations by
Body
189 - Sodium bicarbonate is commercially known as
Baking soda
190 - Sound cannot pass through
Vacuum
191 - Sound waves cannot travel in
Vacuum
192 - Spiders belong to the phylum
Arthropoda
193 - Spirit in contact with body gives cool sensation because it is :
Highly volatile
194 - Stalactites and Stalagmites form due to the precipitation of :
CaCO3
195 - Study of effect of radiation on plant and animal is
Radiobiology
196 - Study of parasitic organism is called
Parasitology
197 - Submarines move under water. They have engines that run on
Diesel
198 - Sulphur Dioxide pollution is indicated by an excessive growth of which of the following?
Lichens
199 - Sulphur dioxide present in the industrial chimney exhaust causes
All of the above
200 - Sulphuric acid is
Dibasic
201 - Table salt gets moist during rainy season because
Sodium chloride contains hygroscopic impurities like magnesium chloride
202 - Taj Mahal is greatly affected due to :
Acid rain
203 - Tear gas is :
Carbonyl chloride
204 - Tetra ethyle lead (TEL) is
An antiknock compound
205 - The ability to fix atmospheric nitrogen is found in the
Some blue-green algae
206 - The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas
Will increase four-fold
207 - The amount of chlorine available in water after disinfection is called as
Residual chlorine
208 - The angle between the ________ and the incident ray is called the angle of incidence.
Normal
209 - The animals in which the body cavity is absent are known as ________ .
Acoelomates
210 - The antiseptic compound present in dettol is
chloroxylenol
211 - The artificial kidney is a
Machine
212 - The basic chemical building block of natural rubber obtained from trees is
Isoprene
213 - The basic functional unit of Kidney is
Nephron
214 - The biogas used for cooking is a mixture of which of the following?
Methane and carbon dioxide
215 - The buffer action of blood is due to the presence of
[HCO3]– and H2CO3
216 - The chemical formula of the laughing gas is
N2O
217 - The chemical name of rat poison is
Zinc phosphide
218 - The chemical substance present in bones and teeth is
Calcium phosphate
219 - The chemical substance present in bones and teeth is
Calcium phosphate
220 - The chemical used in developing photographic films is
Silver bromide
221 - The chief source for the production of nitrogeneous fertilizers is :
Ammonia
222 - The chief source of naphthalene is
Coal-tar
223 - The common name for the compound having formal NaOH is
Caustic soda
224 - The compounds formed when hydrogen combines with p-block elements are called
Molecular hydrides
225 - The element which is used for vulcanizing rubber
Sulphur
226 - The energy released by 1 gram of glucose is
4 kcal
227 - The first metal used by man was
copper
228 - The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle?
0.01 minute
229 - The functional connection between two neurons is a
Synapse
230 - The functional unit of the nervous system is the
Neurons
231 - The gas that usually causes explosions in coal mines is
Methane
232 - The great contributing of Schwan was
How interpreted what he saw
233 - The heat value of combustion of Gasoline is
47000 kJ/kg
234 - The horizonatally growing hyphae of Rhizopus are called
Stolons
235 - The Hydraulic Break works on the principle of ________ .
Pascal's Law
236 - The hydronium ion is
H3O+
237 - The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is
Helium
238 - The influence of temperature on reaction rate is predicted by
Arrhenius equation
239 - The inner most membrane that covers the brain is
Pia - mater
240 - The iron ore which contains 72% of iron is :
Magnetite
241 - The longest cells of human body
Neuron cell
242 - The main active constituent of tea and coffee is
caffeine
243 - The main function of the Golgi body is
Secretion
244 - The main source of Naphthalene is
Coal-tar
245 - The main thinking part of the brain is
Forebrain
246 - The major constituent of air is
Nitrogen
247 - The major constituent of gobar gas is
Methane
248 - The major harmful gas emitted by automobile vehicle which causes air pollution is
Carbon Monoxide
249 - The major harmful gas emitted by automobile vehicles which causes air pollution is
Carbon Monoxide
250 - The major use of sulphur is in the manufacture of
H2SO4
251 - The maximum number of isomers for an alkene with molecular formula C4H8 is
4
252 - The metal does not give H2 on treatment with dilute HCL is
Ag
253 - The metal extracted from Bauxite is :
Aluminium
254 - The metallic constituents of hard water are :
Calcium, magnesium and iron
255 - The method that cannot be used for removing permanent hardness of water is
boiling
256 - The Mode of nutrition in which particulate food is devoured is
Holozoic
257 - The molecular mass of a gas is
Twice its vapour pressure
258 - The molecule that is the main source of ATP synthesis
Glucose
259 - The most abundant constituent of atmospheric air is :
Nitrogen
260 - The most common cause of pollution of air is
Sulphur dioxide
261 - The most commonly used chemicals in the artificial rainmaking or cloud seeding are
Silver Iodide (AgI)
262 - The most electropositive elements among the following is
Cs
263 - The most extensive, commercially useful source of thorium as monazite sand occurs in India at
Travancore coast
264 - The most suitable vessel for storing concentrated sulphuric acid is
Glass vessel
265 - The name of plastic polymer from which combs, toys, bowls etc., can be made, is
Polystyrene
266 - The non-vascular land plants are included in the group called
Bryophyta
267 - The number of g-molecule of oxygen in 6.02 x 1024 CO molecules is
5 gram of molecule
268 - The organs of the urinary system are
All of the above
269 - The outer membrane that covers the brain is
Dura mater
270 - The outer white part of the eye which is supporting wall of the eyeball is known as
Sclera
271 - The outermost layer in a plant cell is
Cell wall
272 - The percentage of oxygen in air is approximately
0.21
273 - The pH of human blood is between
7.5-8
274 - The pH of lemon juice is expected to be
Less than 7
275 - The polymer used in making plastic crockery is
Melamine
276 - The polymerisation of which often following is used in manufacturing of polythene in industry ?
Ethylene
277 - The presence of ozone in the stratosphere is responsible for
Checking the penetration of ultraviolet rays to the earth
278 - The process in which energy stored in carbohydrates is released
Respiration
279 - The process of evaporation occurs from
Leaf
280 - The property of hydrogen which distinguishes it from alkali metals is
Its non-metallic character
281 - The quality or tone of a musical sound produced by a stringed instrument depends on
Wave form of the sound
282 - The rate of heartbeat is accelerated by the hormone
Adrenaline
283 - The renal corpuscle is made up of
Both A & B
284 - The scientific study of how organisms interact with their environment is called
Ecology
285 - The scientific study of plants is termed as
Botany
286 - The site of RBC formation in human body is
Bone marrow
287 - The strongest oxidizing agent among the following is:
Fluorine
288 - The study of relation of animals and plants to their surroundings is called ________
Ecology
289 - The study of structure and functions of cells is termed as
Cell Biology
290 - The substance that is added to make natural rubber strong and more bouncy is
Sulphur
291 - The theory which states that all animals and plants are composed of cells and cell products is known as
Cell Theory
292 - The thyroid hormone that regulates carbohydrate metabolism is
Thyroxin
293 - The tip of the match-stick contains
Red phosphorus
294 - The type of mirror used in automobiles to see the traffic on the rear side is
Convex
295 - The unicellular algae used to supply and regulate the oxygen in space programmes is
Chlorella
296 - The unit of ionic product of water (Kw) is :
Mol2 let-2
297 - The unit to measure the flow of water is
Cusecs
298 - The value of gas constant R in Ergs deg–1 mole–1 is
8.314 × 107
299 - The valve present between left auricle and left ventricle is
Mitral
300 - The Vitamin required for the synthesis of nucleic acid is
Folic acid
301 - The Vitamin that is destroyed on heating
"C"
302 - The water readily available to plants for absorption by roots is
Capillary water
303 - The weight of 6.023 × 1023 atoms of carbon is
12 gms
304 - The wire of flash bulb is made of:
Magnesium
305 - They are organic compounds consisting of carbon ,hydrogen and oxygen present in all living organisms.
Carbohydrates
306 - They contain those enzymes which can digest the phagocytosed food particles.
Lysosomes
307 - They play key roles in the contraction of muscles,digestion of food and clotting of blood.
Proteins
308 - Urea is a
Nitrogenous fertilizer
309 - Vinegar is ________ .
Diluted formic acid
310 - Vitamin K is required for
Blood clotting
311 - Vitamin present in guava fruits
Vitamin - C
312 - Vitamins are
Micro nutrients
313 - Vulcanization of rubber is carried out by adding
Sulphur
314 - Water cycle refers to
Constant movement of water from ocean to land and back to ocean once again
315 - What are the components responsible for acid rain?
Sulphur dioxide (SO2) and Nitrogen oxides (NOx)
316 - What is common in both striated and cardiac cell
Striations
317 - What is full form of BOD?
Biological Oxygen Demand
318 - What is scientific name of ""Cotton"" ?
Gossypium Herbaceum
319 - What is the atomic number of Oxygen?
8
320 - What is the first thing that alcohol effects?
Judgement
321 - What is the main purpose of white blood corpuscles?
To combat infection
322 - What is the mass percentage of carbon in carbon dioxide (CO2)?
0.273
323 - What is the most commonly used substance in fluorescent tubes?
Mercury vapour and argon
324 - What is the purpose of the mucus in your nose?
Protects lungs
325 - What is the SI unit of intensity of sound?
Decibel
326 - What organelle carries out photosynthesis?
Chloroplasts
327 - What principle/law explains the working of the hydraulic brakes in automobiles ?
Pascal's law
328 - What three statements make up the cell theory?
All of the above
329 - When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in
Emission spectra
330 - When more than 20% of the body weight is due to fat, the person is suffering from
Obesity
331 - When water itself combines chemically with some element or mineral it is called
Hydration
332 - When we consume the goat or sheep beef then we are
Secondary consumer
333 - Where does protein synthesis take place?
Ribosomes
334 - Where in the cell are chromosomes located?
Nucleus
335 - Which among the following does not have a cell wall?
Mycoplasma
336 - Which among the following is a Vitamin?
Follic acid
337 - Which among the following is used as a catalyst in the production of high octane fuels?
H2SO4
338 - Which are called the factory of protein synthesis?
Ribosomes
339 - Which cell feature is responsible for storing water ?
Vacuole
340 - Which determines the frequency of a sound wave?
Amplitude
341 - Which gas emitted by power stations causes acid rain?
Sulphur dioxide
342 - Which gas is used for converting vegetable oils into saturated fats ?
H2
343 - Which halide is used in making sensitive emulsion on photograhic film?
Silver bromide
344 - Which is abundant in Gobar gas?
Methane
345 - Which is an example of Phototropism?
Plant bending toward the light
346 - Which is the cause of malaria infection?
Plasmodium
347 - Which is the highest quality of hard coal?
Anthracite
348 - Which is the innermost layer of the heart
Endocardium
349 - Which metal does not undergo corrosion due to the formation of oxide layer?
Aluminium
350 - Which nutrient has forms most of our body weight?
Water
351 - Which of the following are involved directly in pulmonary circulation?
Right ventricle, pulmonary artery, and left atrium
352 - Which of the following blood group is universal donor?
O
353 - Which of the following carries oxygen to various parts of human body?
Red blood cells
354 - Which of the following contains high content of lead?
High octane fuel
355 - Which of the following could be used as fuel in propellant or rockets ?
Liquid Hydrogen + Liquid Oxygen
356 - Which of the following elements is obtained from seaweeds ?
Iodine
357 - Which of the following gases will effuse out of football bladder most quickly ?
H2
358 - Which of the following hormones contains Iodine?
Thyroxine
359 - Which of the following is a fish?
Salmon
360 - Which of the following is a good source of protein?
Soyabean
361 - Which of the following is a natural dye ?
Alizarin
362 - 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
363 - Which of the following is colourless?
Oxygen
364 - Which of the following is not a greenhouse gas ?
Hydrogen
365 - Which of the following is not a method of preparing oxygen?
Decomposition of manganese dioxide
366 - Which of the following is not a precious/semi-precious stone?
Pearl
367 - Which of the following is not an addition polymer?
Nylon
368 - Which of the following is not an Endocrine Gland?
Spleen
369 - Which of the following is not present in German silver?
Silver
370 - Which of the following is the main nitrogenous waste in humans ?
Uric Acid
371 - Which of the following is true about veins?
Veins have valves; arteries do not
372 - Which of the following is true of osmosis?
All of the above
373 - Which of the following is used to iodise common salt ?
Potassium iodate
374 - Which of the following is very reactive and kept in kerosene?
Sodium
375 - Which of the following organelles of a cell is involved in photosynthesis?
Chloroplast
376 - Which of the following serve as antibodies?
Proteins
377 - Which of the following statements is not true about metabolism?
Younger people generally have a slower metabolism than adults
378 - Which of the following vitamins acts like hormone?
Vitamin D
379 - Which of the following vitamins are water soluble?
Vit. B & Vit. C
380 - Which of the toxic heavy metals is found in modern tannery industries ?
Chromium
381 - Which one is a soluble salt in H2O?
CaCl2
382 - Which one is a sublime substance?
Iodine
383 - Which one is found in a pair in each Chromosome
Chromatids
384 - Which one is heaviest naturally occurring element of the periodic element?
Uranium
385 - Which one is the most reactive halogen?
Fluorine
386 - Which one of following is known as pace maker of endocrine gland
Thyroxin
387 - 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
388 - Which one of the following elements exhibits the greatest tendency to lose electrons ?
Lithium
389 - Which one of the following elements is used in the manufacture of safety matches?
Phosphorus
390 - Which one of the following gases has the highest calorific value?
Indane gas
391 - Which one of the following is a rich source of iron?
Spinach
392 - Which one of the following is extensively used for sterilizing water ?
Bleaching powder
393 - Which one of the following is not a characteristic feature of alloys?
Homogeneous systems
394 - Which one of the following is not a chordate ?
Starfish
395 - Which one of the following is used as an anti-freeze for the automobile engines ?
Ethylene glycol
396 - Which one of the following metals pollutes the air of a city having large number of automobiles?
Lead
397 - Which one of the following nonmetals shows allotropy in the liquid state?
Sulphur
398 - Which one of the following organisms is dependent on saprophytic mode of nutrition?
Agaricus
399 - Which one of the following parts of human brain is the regulating centre for swallowing and vomiting?
Medulla oblongata
400 - Which one of the following scientists first time saw bacteria through a microscope made by himself ?
Antonie Van Leeuwenhoek
401 - Which one of the following statements is not correct? Vulcanisation of rubber makes it
Soft and flexible
402 - Which organ filters blood in human body?
Kidneys
403 - Which organelle is the control center of a cell?
Nucleus
404 - Which organelle performs cellular respiration?
Mitochondria
405 - Which organelles are unique to plant cells?
All of the above
406 - Which parts of the heart receive blood from the lungs?
Left atrium
407 - Which process requires cellular energy?
Active transport
408 - 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
409 - Which substance is used to retard the setting action of cement?
CaSO4.2H2O
410 - Which systems comprise the nervous system?
Both A & B
411 - Which Vitamin is obtained from Sun rays?
Vitamin D
412 - White coal is
None of these
413 - White phosphorus is always kept under
Water
414 - Who first published the periodic table?
Dmitri Mendeleev
415 - Who is called the Father of Taxonomy?
Carolus Linnaeus
416 - Who is known as father of Biology
Aristotle
417 - Who is known as father of Biology?
Aristotle
418 - Who is regarded as father of Plant Tissue Culture
Haberlandt
419 - Why is it difficult to breathe at higher altitudes?
Due to low air pressure
420 - Zinc sulphide is commonly used as
Rodenticide
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