InterviewSolution
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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.
| 1. |
Rocky mountain revolution was succeeded by `:`A. azoic eraB. mesozoic eraC. coenozoic eraD. proterozoic era |
| Answer» Correct Answer - c | |
| 2. |
Which of the following structures is homologus to the wing of a bird?A. Wing of the MothB. Flipper of WhaleC. Hindlimb of RabbitD. Dorsal fin of a Shark |
| Answer» Correct Answer - B | |
| 3. |
The first mammals evolved 220 million years ago. The supercontinent Pangea began to break apart 200 million years ago. Therefore, fossils of the first mammals should be found `:`A. on most or all of the current continentsB. only on one or a few continentsC. only in AntarticaD. none of the above |
| Answer» Correct Answer - A | |
| 4. |
Wing of pigeon is homologous to the `:`A. ear of batB. tail of rabbitC. wing of butterflyD. foreleg of horse |
| Answer» Correct Answer - D | |
| 5. |
Which one of the following correctly describes the homologous structures?A. Organs with anatomical dissimilarities, but performing same functionB. Organs that have no function now, but had important functions in ancestorsC. Organs with anatomical similarties, but performing different functionsD. Organs appearing only in embryonic stage and disappearing later in the adult |
| Answer» Correct Answer - c | |
| 6. |
Which is the correct order of increasing geological time scale for a hypotehtical vertebrate evolution?A. Cenozoic, Mesozoic, Paleozoic, PrecambrianB. Cenoczoic, Palaeozoic, Mesozoic, CenozoicC. Precambrian, Palaeozoic ,Mesozoic, CenozoicD. Precambrian, Cenozoic, Palaeozoic, Mesozoic |
| Answer» Correct Answer - C | |
| 7. |
The ultimate source of genetic variation is `:`A. natural selectionB. mutationC. sexual recombinationD. genetic drift |
| Answer» Correct Answer - b | |
| 8. |
The natural selection that acts against change in form and keeps the population constant through the time is `:`A. DisruptiveB. None actingC. StabilizingD. Directional |
| Answer» Correct Answer - C | |
| 9. |
Occurrence of endemic species in South America and Australia is due to `:`A. Progressive evolutionB. continental separationC. absence of terrestrial route to these placesD. extinction of these species in other regions |
| Answer» Correct Answer - B | |
| 10. |
Example of homologous structure is `//` are `:`A. optic lobes of brainB. cerebrum of brainC. heart of vertebratesD. all of these |
| Answer» Correct Answer - D | |
| 11. |
Evolution is experimentally demonstrated by `:`A. rapid mutation-Neo-LamarckismB. survival of the fittest - WallaceC. ancon sheep- Neo-DarwinismD. replica plating- Lederberg |
| Answer» Correct Answer - D | |
| 12. |
Origin of first toothed birds and gymnoperms took place duringA. TriassicB. JurassicC. PermianD. Cretaceous |
| Answer» Correct Answer - B | |
| 13. |
Who has divided the whole world into six major biogeographical regions or realms for the distribution of animals and plants ?A. Georges CuvierB. Charles DarwinC. Alfred Russel WallaceD. August Weismann |
| Answer» Correct Answer - c | |
| 14. |
Each of us is part of the ongoing evolution of the species which of the following occurrences would have the gretest impact on the future bilogical evolution of the human population?A. A mutation occurs in one of your sperm or egg cellsB. You do exercise every day so that you stay physically fit and healthyC. You move to Kerala, the state of highest medical facilities and literacyD. You encourage your children to develop their intellectual abilities |
| Answer» Correct Answer - a | |
| 15. |
The best description of natural selection is `:`A. the survival of the fittestB. the struggle for existenceC. a change in the proportion of variation within a populationD. the reproduction success of the members of a population best adapted to the environment |
| Answer» Correct Answer - D | |
| 16. |
Evolution of unique groups of mammals in South Americal, Africa and Australia is an evidence for `:`A. continental driftB. glaciationC. crustal movementD. geographical juxtaposition |
| Answer» Correct Answer - a | |
| 17. |
According to Darwin, diversity in Australian marsupials is an example of `:`A. parallel evolutionB. parallel radiationC. adaptive radiationD. convergent evolution |
| Answer» Correct Answer - A | |
| 18. |
Two zoogeographical regions separated by high mountain ranges are `:`A. Oriental and AustralianB. Palaearctic and OrientalC. Nearctic and PalaearcticD. Neotropical and Ethiopian |
|
Answer» Correct Answer - b Himalayan mountain ranges separate palaearctic and oriental zoogeographical regions. |
|
| 19. |
Major radiation of mammals, birds and pollinating insects took place in which epoch ?A. Eocene epochB. PlioceneC. Miocene epochD. Palaeocene |
| Answer» Correct Answer - D | |
| 20. |
The evolution of similar characters in genetically unrelated species as they are subjected to similar environmentals selective pressure is `:`A. apaptationB. homoplastyC. heteroplastyD. adaptive radiation |
| Answer» Correct Answer - d | |
| 21. |
the chance of elimination of genes from a small populaton is an example of:A. speciationB. adaptationC. genetic driftD. selection pressure |
| Answer» Correct Answer - C | |
| 22. |
The classical example of adaptive radiation in development of new species isA. Darwin finchesB. Marsupials of AustraliaC. Giant turtlesD. All of these |
| Answer» Correct Answer - A | |
| 23. |
Which of the following animals is fossorial ?A. DodoB. ArchaeopteryxC. Both (a) and (b)D. None of these |
|
Answer» Correct Answer - d Fossorial means burrowing. Dodo and Archaeopteryx are extinct birds. |
|
| 24. |
Parallelism is adaptive `:`A. divergenceB. convergence of closely related groupsC. divergence of widely separated speciesD. convergence of widely different species |
| Answer» Correct Answer - b | |
| 25. |
Egg laying mammals and marsupials are found in Australia and nowhere else. This indicates `:`A. natural barrierB. climatic barrierC. continuous distributionD. discontiuous distribution |
| Answer» Correct Answer - D | |
| 26. |
Tasmanian wolf is a marsupial while wolf is a placental mammal. This shows `:`A. genetic driftB. parallel evolutionC. divergent evolutionD. inheritance of acquired characters |
| Answer» Correct Answer - b | |
| 27. |
All organisms share the same genetic code. This supports that `:`A. evolution occurs graduallyB. evolution is occuring nowC. life began a long time agoD. all organisms are descended from a common ancestor |
| Answer» Correct Answer - d | |
| 28. |
Which of the following are homologous organs ?A. Hand of man, wings of batB. Eyes of man, eyes of squidC. Gills of fish, lungs of manD. Leaf of moss, frond of fern |
| Answer» Correct Answer - a | |
| 29. |
Which group includes homologous organs ?A. Wings of butterfly, flying fish and birdB. Tentacles of Hydra and arms of starfishC. Fins of seal, wings of birds and forelimbs of manD. Horns of cattle, tail of horse and teeth of mammals |
| Answer» Correct Answer - C | |
| 30. |
Animals that possess homologous organs probably `:`A. are not relatedB. are headed for extinctionC. have increased genetic diversityD. evolved from a common ancestor |
| Answer» Correct Answer - D | |
| 31. |
Analogous structures are `:`A. similar in origin and functionB. different in origin and functionC. different in origin but similar in functionD. similar in origin but different in function |
| Answer» Correct Answer - c | |
| 32. |
The fact that the flipper of a whale and the arm of a human both have five digits and the same kind of bones illustrates that `:`A. humans evolved from whalesB. whales evolved from humansC. genetic drift can cause the evolution of populationsD. organisms can share characteristics simply because they share a common ancestor. |
| Answer» Correct Answer - d | |
| 33. |
Hand of man, wing of bat and flipper of seal represent `:`A. vertigial organsB. analogous organsC. evolutionary organsD. homologous organs |
| Answer» Correct Answer - D | |
| 34. |
The biogenetic law was proposed by `:`A. F. RediB. RichterC. WeismannD. Haeckel |
| Answer» Correct Answer - d | |
| 35. |
The biogenetic law is no longer acceptable because it holds among other things that `:`A. recapitulation of phylogeny in ontogency is never completeB. embryos resemble the ancestral adults of evolutionary stagesC. resembleces, if any, are between embryos and not between embryos and adults of evolutionary stagesD. pharyngeal pouches and aortic arches are notable examples of recapitulation n the vertebrate series |
| Answer» Correct Answer - C | |
| 36. |
The biogenetic law is besed on `:`A. fossils evidencesB. genetic evidencesC. biochemical evidencesD. embryological evidences |
| Answer» Correct Answer - d | |
| 37. |
Peripatus resembles an arthropod in having `:`A. paired appendagesB. dorsal ostiated heartC. ciliated reproductive tractD. segmented metanephridia |
| Answer» Correct Answer - B | |
| 38. |
Fitness according to Darwin refers toA. Physical strengthB. High aggressivenessC. Healthy appearanceD. The ability to survive and reproduce |
| Answer» Correct Answer - D | |
| 39. |
Darwin judged the fitness of an individual byA. number of offspringB. ability to defind itselfC. strategy to obtain foodD. dominance over other individuals |
| Answer» Correct Answer - A | |
| 40. |
Who was the first to discard the idea of fixity of speciesA. Robert HookeB. Stanley CohenC. Charles DarwinD. Jean Baptiste de Lamarck |
| Answer» Correct Answer - D | |
| 41. |
Ancestors of mammals belongs to `:`A. cheloniaB. silusideaC. therapsidaD. ornithischia |
| Answer» Correct Answer - c | |
| 42. |
Assertion (A) `:` Natural selection is the outcome of difference in survival and reproduction among individuals that show variation in one or more traits. Reason (R ) `:` Adaptive forms of a given trait tent to become more common, less adaptive ones become less common or disappear.A. Both (A ) and (R ) are true and (R ) is the correct explanation of (A).B. Both (A ) and (R ) are true but (R ) is not the correct explanation of (A)C. (A ) is true statement but (R ) is falseD. Both (A ) and (R ) are false |
| Answer» Correct Answer - A | |
| 43. |
Weismann cut off tails of mice generation after generation but tails neither disappeared nor shortened showing that `:`A. Darwin was correctB. Mutation theory is wrongC. Tail is an essential organD. Lamarckism was wrong in inheritance of acquired characters |
| Answer» Correct Answer - D | |
| 44. |
In which era reptiles were dominated ?A. Mesozoic eraB. Coenozoic eraC. palaeozoic eraD. Archaeozoic era |
| Answer» Correct Answer - A | |
| 45. |
Dinosaurs originated `:`A. long before mammalsB. some time after mammalsC. in the same period along with mammalsD. before mammals and gave rise to them |
| Answer» Correct Answer - c | |
| 46. |
Present day amphibians originated from `:`A. CotylosaursB. DinosaursC. StegocephaliaD. Ostracoderms |
| Answer» Correct Answer - C | |
| 47. |
The earliest known ancestor of the present day horse was `:`A. EquusB. EohippusC. MesohippusD. Merychippus |
| Answer» Correct Answer - b | |
| 48. |
The organisms separated by geographical barriers are termed `:`A. allopatricB. siblingC. neotpatricD. sympatric |
| Answer» Correct Answer - a | |
| 49. |
Speciation occurs when `:`A. population are isolated by geographical barrierB. population are reproductivly isolatedC. both of the aboveD. none of the above |
| Answer» Correct Answer - B | |
| 50. |
Some bacteria are able to grow in streptomycin containing medium due to `:`A. Genetic driftB. natural selectionC. induced mutationD. reproductive isolation |
| Answer» Correct Answer - B | |