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InterviewSolution
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.
| 451. |
List the four eras of geological time scale. |
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Answer» 1. Precambrian era 2. Paleozoic era 3. Mesozoic era 4. Cenozoic era |
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| 452. |
Which one of the following options gives one correct example each of convergent evolution and divergent evolution ? |
| Answer» Correct Answer - A | |
| 453. |
Which is opposable in man, pollex or hallux ? |
| Answer» Correct Answer - Pollex | |
| 454. |
Identify the incorrect statement in concern with Neanderthals. (a) Neanderthal human were found in Germany. (b) They possessed flat cranium. (c) They used to bury their dead. (d) Their brain size is of 650 – 800 cc |
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Answer» (d) Their brain size is of 650 – 800 cc |
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| 455. |
A population will not exist in Hardy – Weinberg equilibrium if (a) Individuals mate selectively (b) There are no mutations (c) There is no migration (d) The population is large |
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Answer» (a) Individuals mate selectively |
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| 456. |
Name the major types of Natural Selection. |
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Answer» 1. Stabilising Selection 2. Directional Selection 3. Disruptive Selection |
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| 457. |
On the basis of serological tests, which one is closest to man?A. BaboonB. ChimpanzeeC. GorillaD. Monkey |
| Answer» Correct Answer - B | |
| 458. |
Among human ancestors, brain size was more than 100 cc inA. Homo erectusB. Home habilisC. Homo neanderthalensisD. Ramapithecus |
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Answer» Correct Answer - C Among human ancestors, brain size was more than 1000 cc in Homoneanderthalensis (Neanderthal man). |
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| 459. |
Which of the following pairs of structures is homologous?A. Wings of Grasshopper and forelimbs of Flying SquirrelB. Tentacles of Hydra and arms of StarfishC. Forelimbs of a Bat and forelegs of a HorseD. Wings of a birds and wings of a Moth |
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Answer» Correct Answer - C Forelimbs of a bat and forelegs of a horse are homologous. |
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| 460. |
Which place in India is famous for human fossils ? |
| Answer» Correct Answer - Shivalik foothills of the Himalayas | |
| 461. |
What is the cranial capacity of man ? |
| Answer» Correct Answer - `1300-1660 cm^3` | |
| 462. |
A compound important in prebiotic evolution wasA. `SO_(2)`B. `CH_(4)`C. `SO_(3)`D. NO |
| Answer» Correct Answer - B | |
| 463. |
Sivapithecus is another fossil ape from Sivalik hills of India. It was like that ofA. RamapithecusB. DryopithecusC. AustralopithecusD. Homo habilis |
| Answer» Correct Answer - B | |
| 464. |
Select the correct statement.A. Darminian variations are small and directionlessB. Mutations are random and directionalC. Fitness is the end result of the ability to adapt and get elected by natureD. All mammals except whales and camels have seven cervical vertebrae. |
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Answer» Correct Answer - C Fitness is the end result of the ability to adapt and get selected by nature. |
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| 465. |
A high density of elephant population in an area can result inA. MutualismB. Predation on one anotherC. Interspecific competitionD. Intraspecific competition |
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Answer» Correct Answer - D A high density elephant population in an area will result in intraspecific competition. |
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| 466. |
Where have the fossils of Sivapithecus found ? |
| Answer» Correct Answer - In the Shivalik hills of India | |
| 467. |
Name the extinct respresentative of modern man |
| Answer» Correct Answer - Cro-Magnon man | |
| 468. |
Pelycosaurs and Therapsids wereA. SauropsidsB. SynapsidsC. SphenopsidsD. Dinosaurs |
| Answer» Correct Answer - B | |
| 469. |
All of the following are the mammals wholly living in water exceptA. PenguinsB. DolphinsC. SealsD. Sea cows |
| Answer» Correct Answer - A | |
| 470. |
During development mammalian heart is initially two chambered, then three chambered and finally four chambered. It is explained byA. Biogenetic lawB. Hardy - Weinberg lawC. MendelismD. Lamarckism |
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Answer» Correct Answer - A During development mammalian heart is initially two chambered, then three chambered and finally four chambered. It is explained by biogenetic law. |
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| 471. |
Give the age of the earliest prokaryote |
| Answer» Correct Answer - 33 billion years | |
| 472. |
Which of the following is correctly matched w.r.t. era and its period?A. Paleozoic-CretaceousB. Mesozoic-DevonianC. Cenozoic-PernianD. Paleozoic-Carboniferous |
| Answer» Correct Answer - D | |
| 473. |
Where did life appear first? |
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Answer» Life appeared for the first time in sea. |
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| 474. |
The first organisms that invaded land wereA. PlantsB. FishesC. InsectsD. Bacteria |
| Answer» Correct Answer - A | |
| 475. |
Fossils are dated by `:`A. Amount of calciumsB. Radioactive carbon contentC. Association with mammalsD. Stratigraphic age |
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Answer» Correct Answer - B fossils are dated by radioactive carbon content. |
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| 476. |
How does Mutation theory of De Vries differ from Lamarck and Darwin’s view in the origin of new species |
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Answer» According to de Vries, sudden and large variations were responsible for the origin of new species, whereas Lamarck and Darwin believed in gradual accumulation of all variations as the causative factors in the origin of new species. |
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| 477. |
Which one of the following options gives one correct example each of convergent evolution and divergent evolution?A. `{:("Convergent evolution","Divergent evolution"),("Eyes of octopus and mammals","Bones of forelimbs of vertebrates"):}`B. `{:("Convergent evolution","Divergent evolution"),("Thorns of Bougainvilea and tendrils of Cucurbita","Wings of butterfly"):}`C. `{:("Convergent evolution","Divergent evolution"),("Bones of forelimbs of vertebrates","Wings of butterfly and birds"):}`D. `{:("Convergent evolution","Divergent evolution"),("Thorns of Bougainvillea and tendrils of Cucurbila","mammals"):}` |
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Answer» Correct Answer - A Development of similar adaptive functional structures in unreleated groups of organisms is called convergent evolution. It shows analogy Examples are wings of butterfly and birds, eyes of octopus and mammals, flippers of penguins and dolphins, etc. On the other hand, divergent evolution involves the modification of organs to perform For example forelimbs of vertebrates (whales, bat, cheetah, human). Though these perform different functions, they have similar anatomical structure. |
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| 478. |
Which ones are the most essential for origin of life?A. EnzymesB. ProteinsC. CarbohydratesD. Nucleic acid |
| Answer» Correct Answer - D | |
| 479. |
Is life still originating ? |
| Answer» Correct Answer - No | |
| 480. |
Rearrange the descent in human evolution. |
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Answer» Australopithecus → Homo erectus → Homo sapiens → Ramapithecus → Homo habilis Ramapithecus → Australopithecus → Homo habilis → Homo erectus → Homo sapiens |
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| 481. |
The offsprings of hybrids are inviable or infertile inA. Hybrid inviabilityB. Hybrid breakdownC. Hybrid sterilityD. Post zygotic barrier. |
| Answer» Correct Answer - B | |
| 482. |
Find the odd one out related to evolutionA. Vertebrate heartsB. Vertebrate brainsC. Wings of butterfly and of birdsD. Forelimbs of mammals |
| Answer» Correct Answer - C | |
| 483. |
In plants, embryos arising from interspecific crosses abort, due toA. Hybrid inviabilityB. Hybrid sterilityC. Hybrid breakdownD. Gametic isolation. |
| Answer» Correct Answer - A | |
| 484. |
Reproductive isolation between segments of a single populations is termedA. sympatryB. allopatryC. population divergenceD. disruptive divergence |
| Answer» Correct Answer - A | |
| 485. |
Natural selection leads to the directional change whenA. More individuals acquire mean character value in the distribution curveB. More individuals acquire peripheral character value of both ends of distribution curveC. More individuals acquire value other than the mean character value at any one end of distribution curveD. |
| Answer» Correct Answer - C | |
| 486. |
Darwinian theory was unable of explainA. The significance of minute variationsB. Presence of vestigeal of useless organsC. The presence of over specialized organsD. All of the above |
| Answer» Correct Answer - D | |
| 487. |
Prodigality of reproduction in darwinism refers toA. Every organism produces numerous offspringB. Successful organism produce numerous offspringC. Only a few individuals are able to reproduceD. Only a few individuals are able to survive |
| Answer» Correct Answer - B | |
| 488. |
Thd idea not related to the Darwinian theory of evolution isA. Survival of the fillestB. Struggle for existence.C. Inheritance of acquired charactersD. Origin of species by natural selection. |
| Answer» Correct Answer - C | |
| 489. |
Which of the following reproductive barriers actually prevents individual of different species from mating with each other ?A. Ecological isolationB. Temporal isolationC. Behavioral isolationD. Gametic isolation |
| Answer» Correct Answer - B | |
| 490. |
The seuqence is evolution of horse wasA. Equus, Eohippus, Mesohippus, MerychippusB. Eohippus, Mesohippus, Merychippus, EquusC. Merychippus, Eohippus, Merychippus, EquusD. Merychippus, Eohippus, Equus, Mesohippus |
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Answer» Correct Answer - B Evolution of Horse. `{:(1.,"Eohippus","Eocene Epoch"),(2.,"Mesohippus","Oligocene Epoch"),(3.,"Merychippus","Miocene Epoch"),(4.,"Pliohippus","Pliocene Epoch"),(5.,"Equus","Pleistocene Epoch"):}` |
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| 491. |
Sympatric speciation is caused byA. Genetic isolationB. InterbreedingC. Geographical isolationD. Reproductive isolation. |
| Answer» Correct Answer - D | |
| 492. |
Sympatric speciation is caused byA. Genetic isolationB. InterbreedingC. Geographical isolationD. Reproductive isolation |
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Answer» Correct Answer - D Sympatric speciation is caused by reproductive isolation. |
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| 493. |
A common means of sympatric speciation isA. polyploidyB. temporal segregation of breeding seasonC. spatial segregation of mating sitesD. imposition of geographic barrier. |
| Answer» Correct Answer - B | |
| 494. |
Point out the basic principles of Darwin’s theory of evolution. |
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Answer» Over production, struggle for existence, Universal occurence of variation, Survival of fittest and Natural selection. |
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| 495. |
Who proposed the theory of acquired characters? Also mention the scientist who disproved it. |
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Answer» The theory of acquired characters was proposed by Jean Baptise de Lamarck and it was disproved by August Weismann. |
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| 496. |
The scientific name of Java man is:A. Homo habilisB. Homo sapiens neanderthalensisC. Homo erectus erectusD. Australopithecus boisei |
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Answer» Correct Answer - C Scientific name of Java man is Homo erectus erectus . |
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| 497. |
Name any four Neo – Darwinists. |
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Answer» Gregor Mendel, August Weismann, Russel Wallace and Heinrich. |
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| 498. |
Assertion: Life appeared 500 million years after the formation of earth. Reason : There was no atmpshere on early earth.A. If both assertion and reason are true and the reason is the correct explanation of the assertion.B. If both assertion and reason are true but reason is not the correct explanation of the assertion.C. If assertion is true but reason is false.D. If both assertion and reason are false |
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Answer» Correct Answer - B Life appeared 500 million years after the formation of earth. There was no atmosphere on early earth. |
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| 499. |
Darwin could not properly explain the theory of evolution due to lack ofA. evidencesB. variationsC. speciationD. genetics |
| Answer» Correct Answer - D | |
| 500. |
Transfer of genes from one gene pool to another is called :A. gene flowB. mutationC. speciationD. genetic drift |
| Answer» Correct Answer - A | |