Everyday Science The Most Important MCQs Repeated in PPSC || FPSC || KPSC || BPSC || SPSC Job Tests Set # 4

1 - ""Paramagnetism"" is the property of





Unpaired electrons

2 - ________ helps the eye to adjust the focal length of the lens.





Ciliary body

3 - ________ is the interaction in which one species benefits and the other is neither harmed nor benefited.





Commensalism

4 - 1 WH =





3600 joules

5 - A balloon filled with hydrogen will





Reach a particular height and remain floating

6 - A boat loaded with rocks floats in the middle of a swimming pool. A man in the boat throws the rocks overboard. The level of water in the pool will





Decrease

7 - A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be ________





50 J

8 - A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2)





0 J

9 - A body of mass 5 kg accelerates from 12 m/s to 20 m/s in 4 seconds due to the application of a force on it. Calculate the magnitude of this force (in N).





10

10 - A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls





Behind him

11 - A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by





Decreasing the radius of the capillary tube

12 - A colour blind person has difficulty in distinguishing which of the two colours ?





Green & Red

13 - A device which is used to limit the current in an electrical circuit is called a





Fuse

14 - A liquid disturbed by stirring comes to rest due to





Viscosity

15 - A man standing on a edge of a cliff throws a stone vertically upwards with a certain speed. He then throws another stone downwards with the same speed. Find the ratio of the speeds of the two stones when they hit the ground.





0.042361111111

16 - A manometer is used to measure





Pressure

17 - A mass of 20 kg is at a height of 8 m above the ground. Then the potential energy possessed by the body is: [Given g = 9.8 m/s2]





1568 J

18 - A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that





The rubber ball suffers greater change in momentum

19 - A mirage occurs because of





Total internal reflection by layers of air

20 - A piece of ice is floating in water kept in a beaker. When all the ice melts the level of water will





Remain the same

21 - A pond of water appears less deep due to





Refraction

22 - A radioactive substance does not undergo any change (in mass or charge) during





Gamma-emission

23 - A real gas can act as an ideal gas in





Low pressure and high temperature

24 - A solid needle placed horizontally on the surface of the water floats due to





Surface tension of water

25 - A standing wave occurs when





A wave reflects upon itself

26 - A subshell with l = 2 can take up





10 electron

27 - A thin oil film on a water surface appears coloured because of





Interference

28 - A typical chromosome has two parts a centrifuge and ________





Chromosomes

29 - A wave with high amplitude have





High energy

30 - ‘Aerosol' is known as





Suspended solid particles in air

31 - According to the Second Law of Motion, for a given force, acceleration is inversely proportional to the ________ of an object.





Mass

32 - 'Acid rain' is caused due to air pollution by





Nitrous oxide and sulphur dioxide

33 - Addition of suitable impurities into semiconductor, is called





Doping

34 - 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

35 - Aerated water contains





CO2

36 - Aestivation is seen in





Amphibians

37 - AIDS is caused by the Human Immunodeficiency Virus (HIV). The transmission of HIV infection generally occurs through





Transfusion of contaminated blood and blood products

38 - AIDS is caused by the organisms which are





Viruses (HTLV III)

39 - Air is said to be saturated when :





It contains maximum content of water vapour

40 - Alcohol is more volatile than water because ________ is lower than water.





Its boiling point

41 - All insects have how many parts of legs?





3

42 - All living things except bacteria and blue green algae are termed as





Eukaryotes

43 - Amoeba belongs to the phylum





Protozoa

44 - Among the following, carbonate ore of Zinc is





Calamine

45 - Among the many substances manufactured commercially by means of ________ are acetic acid, acetone, butanol, lactic acid and several vitamins.





Bacteria

46 - An athlete runs before long jump to get advantage on





Inertia of motion

47 - An atom bomb based upon the principle of ________





Nuclear fission

48 - An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is





19

49 - An example of major air pollutant is





Carbon monoxide

50 - An example of replenishable energy source is–





Biomass

51 - An ice block with a piece of lead embeded in it floats in water. If ice melts the water level





Falls

52 - An important green-house gas other than methane being produced from the agricultural fields is





Nitrous oxide

53 - An object of 10 kg is moving with a speed of 2 m/s. The kinetic energy of the object is





20 J

54 - An object that has kinetic energy must be





Moving

55 - An optically plane surface reflects a beam of light





As a parallel beam in one direction

56 - Anemometer is used to measure





Wind velocity

57 - Anopheles mosquito carries Plasmodium which causes malaria in





Humans

58 - Anopheles mosquito carries Plasmodium which causes malaria in





Humans

59 - Antibodies are produced by





Plasma cells

60 - Antigen is a substance which





Triggers the immune system

61 - As an infant, the ability to produce antibodies is





Limited

62 - Atomic number is the number equal to





Protons

63 - Azolla is a





Aqueous fern

64 - Bacteria are classified in the kingdom





Monera

65 - Bacteria divides by





Binary Fission

66 - Bacteria were first discovered by





A.V.Leeuwenhoek

67 - Ball bearings are used in cycles, scooters etc to





Reduce the friction between the wheel and the axle

68 - Bamboo is classified as





Grass

69 - Biological catalysis in living organisms are known as





Enzymes

70 - Bios means





Life

71 - Buoyancy depends on





The mass of the liquid displaced

72 - Charles's law is based on





Gas

73 - Chernobyl disaster is the result of pollution by





Radioactive waste

74 - Chiropterophily is the process of pollination by





Bat

75 - Choose the most appropriate answer: Sir CV Raman was awarded Noble Prize for his work connected with which of the following phenomenon of radiation?





Scattering

76 - Clouds float in the atmosphere because of their





Low density

77 - Cooking gas is a mixture of





Butane and propane

78 - Detail study of internal organs at level of tissue with the help of microscope is called





Histology

79 - Detergents are





Sodium salts of sulphonic acids

80 - Detergents used for cleaning clothes and utensils contain





Sulphonates

81 - Diphtheria disease is caused by





Corynebacterium diphtheria

82 - Dried milk dried meat are examples of preservation by





Dehydration

83 - Dry ice is the solid form of :





Carbon dioxide

84 - Dry powder fire extinguishers contain





Sand and sodium bicarbonate

85 - During the motion of a projectile fired from the earth surface, ________





Horizontal component of its velocity remains constant

86 - Electric fuse is an alloy of





Tin and lead

87 - Enlargment of _______ gland takes place due to deficiency of iodine





Thyroid

88 - Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be





0.052800925926

89 - Eustachian Tube is located in which part of human body?





Ear

90 - Flowers in which polllination takes place by insect their pollen grains are ________





Rough and sticky

91 - Fog is an example of





Liquid dispersed in gas

92 - For a body moving with non-uniform velocity and uniform acceleration





Displacement – Time graph is non-linear

93 - For a freely falling body, the sum of kinetic energy and potential energy is always





Same

94 - For extinguishing fire, we use





Carbon Dioxide

95 - For Gamma radiation, what stops its penetrating abilities?





All of the above

96 - Friction is caused by the ________ on the two surfaces in contact.





Irregularities

97 - Full form of CFL used in place of electric bulbs is





Compact fluorescent lamp

98 - Fusion of two gametes called





Fertilization

99 - Gamma rays are emissions that have





Neither mass nor charge

100 - Gas released during Bhopal tragedy was :





Methyl isocyanate

101 - General purpose utility gloves are





For cleaning procedures

102 - Glomerulus and Bowman's capsule constitute





Malpighian tubule

103 - Gobar gas contains mainly :





Methane

104 - Gobar gas mainly contains





Methane

105 - Gravitational force is maximum at which place





Poles

106 - Healing of wounds is dependent upon the ________ division of underlying cells





Mitotic

107 - Heat flows as a result of difference of ________





Temperature

108 - Hertz is the SI unit of





Frequency

109 - How does a Unicellular Organism reproduce?





Cell division

110 - How many electrons can be accommodated in d-orbital?





10

111 - Hydraulic machines work under the Principle of :





Pascal's Law

112 - If a copper wire is increased to double its length, its resistance will become





Four times

113 - If an ordinary glass tube and a glass capillary tube are both dipped in a beaker of water, water rises in





Both

114 - If both the mass and the velocity of a body is increased to twice of their magnitude, the kinetic energy will increase by





8 times

115 - If the current flowing through a circuit is 0.6 A for 6 mins, the amount of electric charge flowing through it is ________





216 C

116 - If the velocity of a body is halved its kinetic energy ________





Becomes 1/4 th

117 - If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated?





Increases

118 - Image of object is is formed on which part of eye





Retina

119 - Important plant diseases like fire-blight and crown all are caused by





Bacteria

120 - In a ________ the wave particles of the medium vibrate in a direction perpendicular to the direction of wave propagation





Transverse

121 - In a bipolar junction transistor





The base has the least concentration of impurity

122 - In an optical fibre the signal is transmitted





Due to total internal reflection

123 - In fungi asexual reproduction occurs mostly by





All of these

124 - In human body lymphocytes are formed in





Bone marrow

125 - In mammals, an important role of excretion is played by________





Kidneys

126 - In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen?





Arthropods

127 - In plants and mineral salts from soil to the aerial parts of the plant are conducted through





Xylem vessels

128 - In SONAR which kind of wave is used?





Ultrasonic

129 - In the case of bodies falling under gravity which of the following remains constant at a given place?





Acceleration

130 - In the gamma decay of a nucleus





Neither the mass number nor the atomic number of the nucleus changes

131 - In which of the following cases, kinetic energy is being used in performing work ?





Driving a car to cover a distance

132 - In which of the following ions , the colour is not due to d-d transition ?





[CrO4]2−

133 - In which of the following substances all carbon atoms are quaternary in nature ?





Diamond

134 - Increased RBC's in the blood leads to a condition called





Polycthemia

135 - Instrument for measuring blueness of the sky or ocean is called ________





Cyanometer

136 - Intensity of gravitational field of earth is maximum at





Poles

137 - Intensity of sound has





an object existence

138 - Isotopes of an element contain





the same number of protons but different number of neutrons

139 - It is easier to roll a barrel full of coal tar than to pull it because





the rolling friction is much less than the sliding friction

140 - It is formed by a repeating nucleosome units ,which are closely attached to each other to a continuous fibre.





Chromatin

141 - It is the site of chromosomes attachment to the fiber of spindle.





Centromere

142 - It is very serious disease of brain which is caused by fungi.





Meningitis

143 - Kinetic energy depends on





Both mass and velocity of the moving body

144 - Laughing gas is





Nitrous oxide

145 - Light beam which is highly directional is called:





Laser

146 - Light scattering takes place in





Colloidal solutions

147 - Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is





Homogeneous and transparent

148 - Mach number is used in connection with the speed of





aircraft

149 - Main source of lead pollution is from





Leaded gasoline

150 - Materials that allow electricity to flow are called





Conductors

151 - Minimum number of unequal vectors which can give zero resultant are





three

152 - ML2T-2 is the dimensional formula for





couple acting on a body

153 - Most absorption of nutrients occurs in the





Small intestine

154 - Movement of cell against concentration gradient is called





Active transport

155 - Mycobacterium leprae causes leprosy, Corynebacterium diphtheria causes diphtheria and Vibrio comma causes





cholera

156 - Nitrogen is an essential constituent of all :





Proteins

157 - Nitrogen is fixed in ecosystems in ways stated below. Which one of the statements below is false?





By denitrification

158 - Non-stick kitchenwares are coated with





Teflon

159 - Number of hydrogen atoms in a Glucose molecule is





12

160 - Number of neutrons in an atom of hydrogen is





Zero

161 - Of the following commonly used materials, the one that is not an alloy is





Copper

162 - Oil rises up the wick in a lamp because





Of the capillary action phenomenon

163 - On a stationary sail boat, air is blown from a fan attached to the boat. The boat





does not move

164 - One light year is equal to





6 trillion miles

165 - One nanometer is equal to ________ meters.





10 raised to the power (-9)

166 - One property of ammonia is





Its aqueous solution turns red litmus blue

167 - Optic fibres are used in :





Endoscopy

168 - Ornithology is the study of





Birds

169 - Oxygenated blood is carried from the lungs to the ________ by the pulmonary veins





Left auricle

170 - Oxytocin hormone is secreted by gland





Pituitary

171 - Parabolic mirrors are used in





Car headlights

172 - Parsec is the unit of





Distance

173 - Pepsin is a





Enzyme

174 - Photosynthesis takes place faster in





White light

175 - Physical basis of life is





Protoplasm

176 - Plant tissues are of how many types?





3

177 - Platelet is also known as





Thrombocytes

178 - Pollen grains in plants are produced in





flower

179 - Pollination is best defined as





Transfer of pollen from anther to stigma

180 - Protein synthesis in a bacterial cell is done by





Ribosomes

181 - Ptyalin is an enzyme produced in the





salivary glands

182 - Purity of a metal can be determined with the help of





Archimedes principle

183 - Purpose of an optical filter is to





Transmit or absorb light of different colours

184 - Radioactivity is due to





Unstable nucleus

185 - Rain is falling vertically downwards. To a man running east-wards, the rain will appear to be coming from





east

186 - Rainbow is due to





refraction and reflection of sunlight by water droplets

187 - Rainbow is seen after rain because of hanging molecules of water which act as





Mirrors

188 - Rate of change of displacement is known as ________





Velocity

189 - Rate of change of momentum is





Force

190 - Receptors for hearing are located in the





Cochlea

191 - Rolling friction is caused by ________





Non-elastic effects

192 - Rutherford's scattering experiment proved the presence of





Nucleus in atoms

193 - Salts and sugars work to preserve foods by creating a





Hypertonic environment

194 - Scalar Quantities are





Physical quantities which have magnitude only and no direction

195 - Self pollination will lead to





Inbreeding

196 - Shaving mirror is





Concave

197 - Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation?





Scattering

198 - Skids occur when the brakes are applied so hard that the front or rear wheels lose traction are called as





Braking

199 - Smooth muscles are likely to be found in





Stomach

200 - Solar eclipse will take place when





the moon is between the sun and the earth

201 - Solar energy is converted into chemical energy during





Photosynthesis

202 - Sound waves cannot travel through





Vacuum

203 - Source of infection in diseases like Tuberculosis, Mumps and Whooping cough is





Droplets of saliva

204 - Speed of light is maximum in ________





Vacuum

205 - Stars which appear single to the naked eye but are double when seen through a telescope are





binaries

206 - Study of nose and alfactory organs is called





Rhinology

207 - Substance used as an anti freeze in radiators of automobiles is :





Methyl alcohol and H2O

208 - Such plants which are adapted to survival under conditions a limited supply of water in its habitat are known as





Xerophytes

209 - Supersonic plane fly with the speed





greater than the speed of sound

210 - Surface tension in a liquid is due to :





Cohesive force between molecules

211 - Tar roads get damaged if there is





Stagnation of water on road

212 - The apparent weight of a man in a lift is less the real weight when :





The lift is going down with an acceleration

213 - The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ?





6

214 - The blue colour of sky is due to





Scattering of shorter wavelengths of sunlight in the atmosphere

215 - The BOD values of water indicate the





Amount of oxygen used for biochemical oxidation

216 - The camel's hump is composed of a tissue which provides water when oxidized. It is





Adipose tissue

217 - The cell theory was proposed by





Hook

218 - The colour of Hemoglobin is





Red

219 - The component used for tuning a radio is basically a variable





Condenser

220 - The compound that has the least value for octane number is :





N-heptane

221 - The damage of the human body due to radiation (X-rays or gamma rays etc) is measured in :





Rems

222 - The device used to convert solar energy into electricity is





Photovoltaic cell

223 - The elastic vessels which transport blood from the heart is known as





Arteries

224 - The elastic vessels which transport blood to the heart is known as





Veins

225 - The element with highest ionization potential is





Helium

226 - The energy stored in a watch spring is





Potential energy

227 - The example of oligosaccharide is





Sucrose

228 - The fibre least prone to catch fire is





Cotton

229 - The filament of electric bulb is made up of :





Tungsten

230 - The filter over which sewage is sprinkled is called as





Trickling filter

231 - The first organic compound synthesised in the laboratory was





Glucose

232 - The focal length of a concave mirror with a radius of curvature of 20.0 cm is :





10 cm

233 - The force of friction between two surfaces will increase if:





The two surfaces are pressed harder

234 - The fundamental scientific principle in the operation of battery is





Dissociation of electrolytes

235 - The gas dissolved in water that makes it basic is :





Ammonia

236 - The gas which is mainly responsible for the green house effect is:





Carbon dioxide

237 - The ''Greenhouse effect' is mainly due to increase in atmospheric





Carbon dioxide

238 - The grouping of blood is based on substances called





Antigens

239 - The heaviest naturally occurring element is:





Uranium

240 - The height of a geo-stationary satellite from the Earth's surface is approximately :





36,000 km

241 - The hormone which stimulates the stomach for the production of digestive juice is





Gastrin

242 - The important ore of aluminium is





Bauxite

243 - The inability of a body to change its state of rest or uniform motion along a straight line is called its





Inertia

244 - The increasing order of the refractive index of certain materials is (left to right) ________





Ice, Kerosene, Benzene, Rock Salt

245 - The information of brilliant colors in a thin soap film is a consequence of the phenomena of





Multiple reflection and interference

246 - The instrument that measures and records the relative humidity of air is





Hygrometer

247 - The instrument used to measure the speed of the wind is





Anemometer

248 - The instrument used to see the distant objects on the Earth is





Terrestrial telescope

249 - The kidneys are stimulated to produce renin





By a decrease in the blood pressure

250 - The layer of atmosphere used for radio-wave transmission is





Ionosphere

251 - The least penetrating power ray is





Alpha rays

252 - The length of double bond is _______ than single bond.





Shorter

253 - The Length of the Day is determined in





Astronomical units

254 - The magnitude of buoyant force depends on the ________ of the fluid.





Density

255 - The main constituent of biogas is





Methane

256 - The main function of the inner bark of a woody plant is to





Transport food from the leaves to the other parts of the plant

257 - The main result of aerobic respiration is the





Production of ATP from the breakdown of glucose

258 - The manufacture of iron from iron ore involves the process of





Reduction

259 - The manufacturing of iron from iron ore involves the process of





Reduction

260 - The mass number of an atom is equal to





the number of nucleons

261 - The mass of a star is two times the mass of the Sun. How it will come to an end ?





Neutron Star

262 - The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is





3.05 gram

263 - The metal compound commonly found in Sindhoor or Kumkum is based on





Lead

264 - The metal that is used as a catalyst in the hydrogenation of oils is





Ni

265 - The metal used for making aircrafts and rockets is





Nickel

266 - The metal used to recover copper from a solution of copper sulphate is





Fe

267 - The moment of inertia of a body does not depend upon its





Angular velocity

268 - The most abundant rare gas in the atmosphere is





Ar

269 - The most electronegative element among the following is





fluorine

270 - The most reactive among the halogens is





Fluorine

271 - The movement of materials across the cell membrane with the help of biological energy provided by ATP is called





Active Transport

272 - The National Chemical Laboratory is situated in





Pune

273 - The nuclear particles which are assumed to hold the nucleons together are





mesons

274 - The nucleus of an atom consists of





protons and neutrons

275 - The number of moles of solute present in 1 kg of a solvent is called its





molality

276 - The octane number of zero is assigned to





n-heptane

277 - The oil in the wick of an oil lamp rises up due to:





Capillary action

278 - The ordinary and maximum tolerance limit of sound by human being is





60 db to 80 db (decibel)

279 - The outer membrane that covers the lungs





Pleura

280 - The percentage of Nitrogen in Air is





78.03

281 - The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be:





8 T

282 - The phenomenon of light associated with the appearance of blue colour of the sky is





Scattering

283 - The Powerhouse of the cell is





Mitochondria

284 - The rate of flow of electric charge is measured in





Ampere

285 - The residue left after extracting juice from sugarbeet and sugarcane is called





Bagasse

286 - The scientist who experimentally proved the existence of positron is





Anderson

287 - The sharpness of a television image is termed as its





Resolution

288 - The size of the pupil is controlled by the





Iris

289 - The sky appears blue because of





Scattering of light

290 - The smallest unit that is capable of carrying out life functions is known as





Cell

291 - The speed of light will be minimum while passing through





Glass

292 - The structure of NaCl crystal is





Face centered cubic

293 - The swing of a spinning cricket ball in air can be explained on the basis of





Turbulence caused by wind.

294 - The term biology is derived from the language





Greek

295 - The theory of relativity is presented by which scientist





Albert Einstein

296 - The transport of organic substances in plants is through





Phloem

297 - The trypsinogen is an enzyme secreted by the





Pancrease

298 - The type of mirrors used in the headlamp of cars is





Parabolic concave

299 - The unit of energy in MKS system is





Joule

300 - The velocity of the sound is highest in





Metal

301 - The water and mineral salts are transported to the various organs by which of the following?





Xylem

302 - The water pollution in river is measured by the dissolved amount of





Oxygen

303 - The word "Physics" comes from the Greek word





Fusis

304 - There are how many species of fungi?





80,000 species

305 - Thermal electricity is generated by using which of these ?





Coal, Natural Gas and Petroleum

306 - Thermohaline circulation is mainly due to





Cold, dense ocean water sinking and warmer water replacing it

307 - They substances,which assist enzymes act,are called





Substrates

308 - Tissue in which cells have lost the capacity of cell division





Permanent tissue

309 - Tracheids are conducting cells of which tissue?





Xylem

310 - Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse?





25 W

311 - Two electrons in an orbital are differentiated by which of the following ?





Spin quantum number

312 - Ultraviolet rays can be used in water treatment as





Disinfectant

313 - Vehicle tyres are inflated properly





To avoid skidding and to minimise friction

314 - What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ?





No change will happen

315 - What compound directly provides energy for cellular work?





ATP

316 - What frequency range is the high frequency band?





3 to 30 MHz

317 - What is the effect of oversecretion of hormone from pituitary gland?





Increase growth in length

318 - What is the gravity of moon as compared to the Earth





1/6 th of Earth

319 - What is the range of masses involved in the study of Physics?





10-30 kg to 1055 kg

320 - What is Zeolite?





Hydrated Aluminosilicate

321 - What kingdom does Amoeba belong to





Protista

322 - What prevents food from entering the windpipe?





Epiglottis

323 - What property of matter is momentum related to?





Both A & B

324 - What will happen if an object is dropped from a height and there is no air resistance?





Its speed will increase

325 - When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion?





Energy

326 - When a bullet is fired from a gun





The gun recoils with the same momentum as the bullet

327 - When a card placed over a tumbler is flicked with the finger, the coin placed over it falls in the tumbler.





Law of Inertia

328 - When a disease break out and spread from one place to another affecting large number of peoples it is called





Epidemic

329 - When a ship enters the sea from a river





It rises a little

330 - When a steel ball is placed on the surface of mercury, it does not sink because





The density of mercury is greater than that of steel

331 - When cathode rays strike a target of high atomic weight, they give rise to





X-rays

332 - Where does cellular respiration take place in the cell?





Mitochodria

333 - Which among the following is not a connective tissue?





Skin

334 - Which bacteria cause the greatest harm in the food industry?





Pathogenic

335 - Which blood group is universal acceptor?





AB+

336 - Which body part will be effected with the disease leprosy?





Skin

337 - Which cells are destroyed in AIDS





Lymphocytes

338 - Which color deviates highest when passing through a Prism





Violet

339 - Which color deviates least when passing through a Prism





Red

340 - Which feature do Prokaryotic and Eukaryotic cells share





DNA

341 - Which is called as triple vaccine?





DTP

342 - Which is evidence that supports the dynamo theory?





Earth's core contains a large amount of iron

343 - Which is not an anasthetic agent in surgical operations?





Acetone

344 - Which law is also called law of inertia ?





Newton first law

345 - Which lobe of human brain is associated with hearing?





Temporal lobe

346 - Which observation proves that a cell is a eukaryote?





It has DNA inside a nucleus

347 - Which of the following acts as promoter for iron in Haber's process?





Mo

348 - Which of the following animals shows radial symmetry





Star Fish

349 - Which of the following are known as the suicide bags of cells?





Lysosomes

350 - Which of the following blood cells carry oxygen?





R.B.Cs

351 - Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ?





Moon

352 - Which of the following chemicals is used in photography ?





Silver bromide

353 - Which of the following contain enzymes for cellular respiration ?





Mitochondria

354 - Which of the following device is best suited for measuring the temperature inside metallurgical furnaces?





Pyrometer

355 - Which of the following device is used to measure humidity?





Hygrometer

356 - Which of the following disease is caused by female Anopheles mosquito?





Malaria

357 - Which of the following disease is non-communicable in nature?





Cancer

358 - Which of the following events occurred first ?





Max Planck unveiled the Quantum Theory

359 - Which of the following fibres catches fire least ?





Cotton

360 - Which of the following has no unit?





Electronegativity

361 - Which of the following has the largest number of chromosomes?





Pteridophytes

362 - Which of the following is a renewable source of energy ?





Geothermal power

363 - Which of the following is a result of Surface tension ?





Capillary action

364 - Which of the following is an Abiotic factor?





Water

365 - Which of the following is an example of parasitism?





All of the above

366 - Which of the following is indicated by the colour of a star ?





Temperature

367 - Which of the following is not a function of saliva?





Contains fluoride to harden the tooth enamel

368 - Which of the following is not a gland?





Gastrine

369 - Which of the following is the fastest communication channel?





Microwave

370 - Which of the following is the largest digestive gland in humans?





Hepato-Pancreas

371 - Which of the following is the main compound of voter ink?





Silver nitrate

372 - Which of the following is the major constituent of LPG?





Butane

373 - Which of the following is the unit of perceived loudness of sound ?





Sone

374 - Which of the following is true of annelids?





They perform gas exchange across their skin

375 - Which of the following is true of enzymes?





Both A & B

376 - Which of the following is used as non-stick coating for cooking utensils?





Teflon

377 - Which of the following is used in welding broken pieces of iron rails and machine parts?





Aluminium powder

378 - Which of the following is used to make light weight, but strong plastic ?





Polyvinyl Chloride

379 - Which of the following is used to remove rust stains on cloth?





Oxalic acid solution

380 - Which of the following is/are part of the Classical Physics?





Both a and b

381 - Which of the following may cause the breakdown of pyruvate into lactic acid in our muscles?





Lack of Oxygen

382 - Which of the following micro-organism causes diseases like polio and chicken pox?





Virus

383 - Which of the following organs do not have blood vessels?





Cornea

384 - Which of the following phenomenon is considered responsible for Global Warming?





Greenhouse effect

385 - Which of the following processes is used for the production of Biodiesel ?





Transesterification

386 - Which of the following scientific discoveries was made by C.V. Raman?





Inelastic scattering of light by molecules

387 - Which of the following transports water from the roots of the plant to its leaves?





Both xylem and phloem

388 - Which of the following vegetable oils does not contain essential fatty acids ?





Sunflower oil

389 - Which one among the following Indian scientists proposed a theory for long distance transport of water in plants ?





N.S. Parihar

390 - Which one among the following is the hardest part of our body ?





Enamel of teeth

391 - Which one among the following water-borne diseases is not caused by a bacteria ?





Hepatitis A

392 - Which one element has the highest electronegativity value





Fluorine

393 - Which one element has the lowest electronegativity value





Francium

394 - Which one is the first organelle to be discovered





Nucleus

395 - Which one is the largest animal phylum





Arthropod

396 - Which one is the largest cells in white blood corpuscles





Monoscytes

397 - Which one of the following chemicals helps in fruit ripening?





Ethephon

398 - Which one of the following contributes largely to the ‘green house effect' ?





Water vapour

399 - Which one of the following diseases is caused by bacteria and spreads through faecal matter by houseflies ?





Typhoid

400 - Which one of the following is not a genetic disorder ?





Xerophthalmia

401 - Which one of the following is used for dating very old objects of archaeological importance?





Carbon-14

402 - Which one of the following is used for sun glasses ?





Crooks glass

403 - Which one of the following minerals is found in Monazite sand ?





Thorium

404 - Which one of the following processes is responsible for the glittering of air bubble rising through water?





Total internal reflection of light

405 - Which one of the following tissues is responsible for increase of girth in the stem of a plant?





Lateral meristem

406 - Which process requires no energy from the cell?





Both A & B

407 - Which set of conditions represents the easiest way to liquify a gas ?





Low temperature and high pressure

408 - Which statement about capillaries is correct?





Their walls are only one cell thick

409 - Which structure is common to plant and animal cells?





Mitochondria

410 - Which variety of coal contains recognisable traces of the original plant material ?





Peat

411 - Which, of the following radiations has the least wavelength ?





G-rays

412 - White blood cell act





As a defence against infection

413 - Who among the following developed the technology of underground nuclear explosion ?





Dr. Homi J. Bhabha

414 - Who among the following is credited for the Corpuscular theory of light?





Isaac Newton

415 - Who among the following is credited to work for the unification of electricity, magnetism and optics field of Physics?





James Clerk Maxwell

416 - Who formulated Cell theory?





Both Schawn and M.J.Scheilden

417 - Who introduced the ""binomial nomenclature"" to name organisms





C. Linnaeus

418 - Who is known as Father of Modern Genetics





Gregor Mendel

419 - Why does a cannon recoil after firing ?





Newton's third law of motion

420 - Why is weightlessness experienced while orbiting the earth in space ships ?





None of these

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