Evolution Set 4
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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
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
Q3 | It is not a true fossil.
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
- genetic drif
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
Q6 | Precipitation test gives evidence from ______.
- comparative embryology
- comparative anatomy
- comparative serology
- none above
Q7 | In external appearance the krait and lycodon are indistinguishable. This is an example of
Q8 | Postanal tail can be traced in ______.
Q9 | The Jurassic period belongs to the ............ era.
Q10 | Which of the following cannot determine phylogenetic relationships ?
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
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
Q13 | Mesozoic era is called golden period of ______.
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
Q15 | Evolution and natural selection is demonstrated by
- DDT resistance in mosquito
- sickel cell anaemia in pygmies
- industral melanism
- 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
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
Q18 | Which one is not a vestigial organ in man ?
- Wisdom teeth
- Muscles of external ear-pinna
- Fossa ovalis
Q19 | The tracking of evolutionary history of organisms is ______.
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
Q21 | Who gave evolutionary concept of determinants ?
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
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
Q24 | Theory of Lamarck was based on
- adaptive collision
- adaptive rediations
- adaptive modifications
- none of these
Q25 | Darwin’s natural selection is based on
- prodigality, struggle for existence, survival of fittest
- law of use and disuse
- law of inheritance of acquired characters