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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 251. |
A number of `K-40` atoms explode in human body every second. The number ofA. `3800`B. `38,000`C. `380,000`D. `3,800,000` |
| Answer» Correct Answer - B | |
| 252. |
Frequency of XY-genotype being female in human beings isA. `1.0%`B. `0.1%`C. `0.001%`D. `0.00001%` |
| Answer» Correct Answer - C | |
| 253. |
Which is unique in every human beingA. Satellite DNAB. NORC. Microsatellite DNAD. Mini-micro-satellite DNA. |
| Answer» Correct Answer - D | |
| 254. |
Gene which does not allow the development of malignant tumours.A. Fitness geneB. P - 10C. Auticancer geneD. Both B and C |
| Answer» Correct Answer - D | |
| 255. |
Given below are assertion and reason. Point out if both are ture and reason is correct explanantion (A), both true but reason is not correct explanation (B), assertion true but reason is wrong (C ), both are wrong (D). Assertion. Among primates Chimpanzee is closest relative to the present day humans. Reason : The banding pattern of autosomes 3 and 6 of humans and Chimpanzee is remarkably similar.A. (A)B. (B)C. (C )D. (D) |
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Answer» Correct Answer - B Cenozoic/Caenozoic. Geolocial era that began 65 million years ago. Marked by emergence of Himalayas and Alps, and spred of mammals. |
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| 256. |
In a person with O group, blood plasma contains both antibodies A and B. Blood group O is termed universal donor.A. If both (A) and (R ) are true and (R ) is the correct explanation of (A).B. If both (A) and (R ) are true but (R ) is not the correct explanation of (A).C. If (A) is true but (R ) is false.D. If both (A) and (R ) are false. |
| Answer» Correct Answer - B | |
| 257. |
As compared to Moon, earth isA. DullB. BrightC. SmallD. With equal albedo. |
| Answer» Correct Answer - B | |
| 258. |
Ethology was founded byA. HerophilusB. AngstromC. LorenzD. Galton. |
| Answer» Correct Answer - C | |
| 259. |
Archaeology and linguistics are constituents ofA. EthologyB. EthnologyC. AnthropometryD. Anthropology. |
| Answer» Correct Answer - D | |
| 260. |
Which one is a product of bionics ?A. Bioelectric armB. Pace-makerC. Electronic earD. All the above. |
| Answer» Correct Answer - D | |
| 261. |
`-273.15C` isA. `-0.15^(@)C`B. `0K`C. `-0.15^(@)F`D. `0^(@)F` |
| Answer» Correct Answer - B | |
| 262. |
Thickness of lithosphere isA. 20 kmB. 40 kmC. 70 kmD. 10-18 km. |
| Answer» Correct Answer - C | |
| 263. |
Expanse of universe isA. 1 million light yearsB. 1 billion light yearsC. 10 billion light yearsD. 100 billion light years. |
| Answer» Correct Answer - C | |
| 264. |
Anthropometry isA. Study of human linguisticsB. Measurement of the human traitsC. Study of human brain powerD. Evolution of human culture. |
| Answer» Correct Answer - B | |
| 265. |
Origin of first life isA. BiogenyB. BiopoiesisC. CognogenyD. Chemogeny. |
| Answer» Correct Answer - A | |
| 266. |
Asthenosphere isA. Part of mantleB. Part of crustC. Part of coreD. Discontinuity between crust and mantle. |
| Answer» Correct Answer - A | |
| 267. |
Celestial body with a tail isA. AsteroidB. CometC. MeteoriteD. Nebula |
| Answer» Correct Answer - B | |
| 268. |
Study of origin and evolution of universe isA. CosmologyB. CosmogonyC. CognogenyD. Speleology |
| Answer» Correct Answer - B | |
| 269. |
Asthenophere isA. Partially moltenB. Completely moltenC. Solid plates embedded in molten massD. All the above. |
| Answer» Correct Answer - A | |
| 270. |
Ionizing radiations are harmful to living organisms. They form toxic photo products in their cells.A. If both (A) and (R ) are true and (R ) is the correct explanation of (A).B. If both (A) and (R ) are true but (R ) is not the correct explanation of (A).C. If (A) is true but (R ) is false.D. If both (A) and (R ) are false. |
| Answer» Correct Answer - C | |
| 271. |
Nebula is a cloud of gas thatA. Glows brightlyB. Reflected lightC. Is darkD. All the above. |
| Answer» Correct Answer - D | |
| 272. |
A celestial body that revolves around a star isA. PlanetB. SatelliteC. AsteroidD. Comet. |
| Answer» Correct Answer - A | |
| 273. |
Asthenosphere lies at a depth ofA. `70 km`B. `70-100 km`C. `70-150 km`D. `80-260 km` |
| Answer» Correct Answer - D | |
| 274. |
Fallings star areA. CometsB. AsteroidsC. MeteorsD. Satellites. |
| Answer» Correct Answer - C | |
| 275. |
Hydrology isA. Charting out of all surface watersB. Study of above-ground inland watersC. Study of inland ground waterD. Both B and C |
| Answer» Correct Answer - D | |
| 276. |
Our star sun liesA. In the centre of Milku wayB. In one of the spiral arms of Milky years from centre of Milky wayC. At a distance of `25,000` light years from cente of Milky wayD. Both B and C |
| Answer» Correct Answer - D | |
| 277. |
New species can be formed without geographical isolation throughA. Random matingB. Assortative matingC. Inter-varietal breedingD. All the above. |
| Answer» Correct Answer - B | |
| 278. |
Bees and waspe posses yellow black stripesA. Hiding the insects amongst flowersB. Warning the predatorsC. Long distance recognition of their membersD. Both A and C. |
| Answer» Correct Answer - B | |
| 279. |
Aposematic colouration isA. Comouflage mimicryB. Attracting colouratianC. Warning colourationD. Both A and B |
| Answer» Correct Answer - C | |
| 280. |
Two equally poisonous species possess similar coluration pattern.A. For increasing warning effect to predatorsB. In response to similar toxicityC. Due to convergent evolution.D. Due to adaptive radiation. |
| Answer» Correct Answer - A | |
| 281. |
rDNA isA. Genomic Rna of virusB. Genomic RNA that produces DNA through reverse transcription.C. DNA found in ribosomeD. DNA segment specialised to form rRNA. |
| Answer» Correct Answer - D | |
| 282. |
The phenomenon of having similar colouration of pattern in the equally distastful/poisonous species is calledA. ComouflageB. Batesian mimicryC. Mullerian mimicryD. Adaptation |
| Answer» Correct Answer - C | |
| 283. |
rDNA is present inA. NORB. TelomereC. CentromereD. Kinetochore. |
| Answer» Correct Answer - A | |
| 284. |
NOR is characterised by the presence of abundantA. PseudogenesB. Repetitive DNAC. Repeated genesD. Multigene family giving rise to different RNAs at different times. |
| Answer» Correct Answer - C | |
| 285. |
Presence of an allele that can help an organism under changed conditions is calledA. AdaptationB. Pre-adaptationC. Potential evolutionD. Both A and B |
| Answer» Correct Answer - B | |
| 286. |
K-T boundary present between rocks ofA. Devonian and carboniferoudB. Permian and tertiaryC. Cretaceous and tertiaryD. Miocene and pliocene. |
| Answer» Correct Answer - C | |
| 287. |
Dinosaurs usedA. Four legsB. Two legsC. Both carnivory and herbivoryD. All the above. |
| Answer» Correct Answer - D | |
| 288. |
Which is correct ?A. Neanderthal Man is direct ancestor of humansB. Homo-erectus is direct ancestor of manC. Cro-Magnon Man was found in EthiopiaD. Australopithecus is real ancestor of modern man. |
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Answer» Correct Answer - A Ringer. (1883). Developed the technique of keeping tissues and organs alive outsides the body. |
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| 289. |
K-T boundary is characterised by the presence ofA. IridiumB. GoldC. Avian fossileD. Petroleum |
| Answer» Correct Answer - A | |
| 290. |
Smallest Dinosaur wasA. TyrannosaurusB. CompsognathusC. PterosaurD. Pilosaur. |
| Answer» Correct Answer - B | |
| 291. |
Drypithecus occurred aboutA. `2.5 xx 10^(6)` years backB. `25 xx 10^(6)` years backC. `50 xx 10^(6)` years backD. `75 xx 10^(6)` years back. |
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Answer» Correct Answer - B Hubble Constant. The measure of rate of expansion of universe. |
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| 292. |
Prihistoric man who lived on earth during late pleistocene wasA. Cro-MagnonB. Atlantic ManC. AustralopithecusD. Neanderthal man |
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Answer» Correct Answer - D Aposematic Colouration. A warning colouration that makes poisonous foul tasting or dangerous animal conspicuous to its predator, e.g., yellow-black stripes of bees and wasps, red-yellow colour of many poisonous frogs. |
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| 293. |
Second mass extinction occurred duringA. Jurassic-cretaceousB. Cretaceous-tertiaryC. Cretaceous-palaeoceneD. Both B and C |
| Answer» Correct Answer - D | |
| 294. |
Pleistocene overkill occurred aroundA. 10,000 years agoB. 50,000 years agoC. 100,000 years agoD. 4000 year ago. |
| Answer» Correct Answer - C | |
| 295. |
The correct sequence in the evolution of modern man isA. Dryoithecus `rarr` Australopithecus `rarr` Homo erectus `rarr` Homo sapiensB. Australopithecus `rarr` Drypithecus `rarr` Homo habilis `rarr` Homo erectus `rarr` Homo sapiensC. Homo habilis `rarr` Drypithecus `rarr` Australopithecus `rarr` Homo erectus `rarr` Homo sapiensD. Dryopithecus `rarr` Homo habilis `rarr` Australopithecus `rarr` Homo erectus `rarr` Homo sapiens. |
| Answer» Correct Answer - A | |
| 296. |
Homo sapiens/Homo Erectus evolved inA. PlioceneB. PleistoceneC. OligoceneD. Miocene. |
| Answer» Correct Answer - B | |
| 297. |
Homo sapiens/Homo Erectus evolved inA. MioceneB. PlioceneC. OligoceneD. Pleistocene. |
| Answer» Correct Answer - D | |
| 298. |
Homo erectus evolved during:A. PleistoceneB. OligoceneC. PlioceneD. Miocene |
| Answer» Correct Answer - A | |
| 299. |
Pithecanthropus is connected with:A. Homo sapiensB. Homo erectusC. Homo habilisD. South Islands |
| Answer» Correct Answer - B | |