Evolution Set 4

All India Pre Medical Test (AIPMT)

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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Evolution Set 4

Q1 | The best way of dating fossils recent origin is by ______.
  • radio carbon method
  • uranium lead method
  • potassium argon method
  • a combination of all these
Answer: a combination of all these
Q2 | The age of rock is calculated on the basis of ______.
  • types of fossils present
  • number of strata present
  • amount of uranium present
  • none above
Answer: amount of uranium present
Q3 | It is not a true fossil.
  • Placoderm
  • Limulus
  • Archeopteryx
  • Therapsid
Answer: Limulus
Q4 | all mammals, whale, dolphin, bat, monkey and horse have some common trait, but they also show conspicuous differences. This is due to the phenomenon of
  • normalisation
  • genetic drif
  • convergence
  • divergence
Answer: divergence
Q5 | These are some examples of vestigial structures in man
  • wisdom tooth vermiform appendix, hair
  • wisdom tooth, vermiform appendix, coccyx
  • wisdom tooth, head, nails
  • none of these
Answer: wisdom tooth, vermiform appendix, coccyx
Q6 | Precipitation test gives evidence from ______.
  • comparative embryology
  • comparative anatomy
  • comparative serology
  • none above
Answer: comparative serology
Q7 | In external appearance the krait and lycodon are indistinguishable. This is an example of
  • analogy
  • imitation
  • mimicry
  • homology
Answer: mimicry
Q8 | Postanal tail can be traced in ______.
  • cobra
  • earthworm
  • scorpion
  • centipede
Answer: cobra
Q9 | The Jurassic period belongs to the ............ era.
  • proterozoic
  • archezoic
  • mesozoic
  • cenozoic
Answer: mesozoic
Q10 | Which of the following cannot determine phylogenetic relationships ?
  • Physiology
  • Morphology
  • Biogeography
  • Embryology
Answer: Morphology
Q11 | Mark the correct set._ans_key_Column I Column II_ans_key_I. Slow evolution A. Non-progressive_ans_key_II. Environment is responsible for evolution B. Aristotle_ans_key_III. Homologous C. Bird wing and butterfly wing_ans_key_IV. Analogous organ D. Wing of bird and hose limb
  • I – A, II – B, III – D, IV – C
  • I – B, II – A, III – D, IV – C
  • I – B, II – A, III – C, IV – D
  • I – B, II – C, III – D, IV – A
Answer: I – A, II – B, III – D, IV – C
Q12 | A. Ear muscles of external ear in man are poorly developedR. These muscles are useful which move external ear freely to detect sound efficiently.
  • If A and R both are true and R is correct explanation of A
  • If A and R both are true but R is not correct explanation of A
  • If A is true and R is wrong
  • If A is wrong and R is true
Answer: If A is true and R is wrong
Q13 | Mesozoic era is called golden period of ______.
  • bird
  • amphibians
  • reptiles
  • pisces
Answer: reptiles
Q14 | Which of the following leads to evolution ?
  • Separation of species leading to evolution
  • Differentiation of species
  • Loss of few advanced characters
  • Differentiation and adaption of species as unique entities
Answer: Differentiation and adaption of species as unique entities
Q15 | Evolution and natural selection is demonstrated by
  • DDT resistance in mosquito
  • sickel cell anaemia in pygmies
  • industral melanism
  • all above
Answer: all above
Q16 | An important evidence in favour of organic evolution is the occurence of
  • homologous and analogous organs
  • homologous and vestigial organs
  • analogous and vestigial organs
  • homologous organs only
Answer: homologous and vestigial organs
Q17 | Potato and sweet potato ______.
  • have edible parts which are homologous organs
  • have edible part which are analogous organs
  • have been introduced in India from the same place
  • None of the above
Answer: have edible part which are analogous organs
Q18 | Which one is not a vestigial organ in man ?
  • Wisdom teeth
  • Muscles of external ear-pinna
  • Fossa ovalis
  • Ileum
Answer: Ileum
Q19 | The tracking of evolutionary history of organisms is ______.
  • ontogeny
  • phylogeny
  • analogy
  • homology
Answer: phylogeny
Q20 | An old view about evolution states that the organisms were created by a super organism in the same condition as they exist now. This theory is called ______.
  • theory of special creation
  • theory of natural selection
  • Lamarck’s theory of evolution
  • theory of spontaneous generation
Answer: theory of special creation
Q21 | Who gave evolutionary concept of determinants ?
  • Dobzhansky
  • Wright
  • Weismann
  • Lamarck
Answer: Wright
Q22 | Darwin’s theory of natural selection is objected, because it
  • stresses upon slow and small variations
  • explains the adaption of certain inherited characters
  • stresses on interspecific competition
  • explains that natural calamities take a heavy annual toll of lives
Answer: explains the adaption of certain inherited characters
Q23 | Given : 1 = natural selection ; 2 = variations and their inheritance ; 3 = survival of the fittest ; 4 = struggle for existence. According to Darwinism, which of the following represents the correct sequence of events in the origin of new species ?
  • 1, 2, 3, 4
  • 2, 3, 1, 4
  • 3, 4, 1, 2
  • 4, 2, 3, 1
Answer: 3, 4, 1, 2
Q24 | Theory of Lamarck was based on
  • adaptive collision
  • adaptive rediations
  • adaptive modifications
  • none of these
Answer: adaptive rediations
Q25 | Darwin’s natural selection is based on
  • variations
  • prodigality, struggle for existence, survival of fittest
  • law of use and disuse
  • law of inheritance of acquired characters
Answer: variations
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