This practice test has 25 questions (MCQs) from chapter- evolution class 12th Biology.
Evolution : class 12th biology practice test | MCQs for NEET
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Total: 25 Questions
Questions
Q1.
Which one of the following phenomena supports DarwinтАЩs concept of natural selection in organic evolution ?
ЁЯУШ Explanation:
Prevalence of pesticide resistant insects
Q2.
The phenomenon тАШontogeny repeats phylogenyтАЩ is explained by
ЁЯУШ Explanation:
The phenomenon тАШontogeny repeats phylogenyтАЩ is explained by recapitualtion theory.
Q3.
The presence of gill slits, in the embryos of vertebrates, supports the theory of
ЁЯУШ Explanation:
The presence of gill slits, in the embryos of vertebrates, supports the theory of recapitulation
Q4.
Which is not a vestigial organ in man ?
ЁЯУШ Explanation:
Nails is not a vestigial organ in man
Q5.
Which one is not a vestigia organ ?
ЁЯУШ Explanation:
Flipper of seal is not a vestigia organ.
Q6.
By the statement тАШsurvival of the fittestтАЩ, Darwin meant that
ЁЯУШ Explanation:
the species most adaptable to changes survives.
Q7.
Which of the following are the two key concepts of Darwinian theory of evolution ?
ЁЯУШ Explanation:
Branching descent and natural selection are the two key concepts of Darwinian theory of evolution .
Q8.
According to Lamarckism, long necked giraffes evolved because
ЁЯУШ Explanation:
long necked giraffes evolved because of stretching of necks over many generations by short necked ones.
Q9.
Which of the following evidences does not favour the Lamarckian concept of inheritance of acquired characters ?
ЁЯУШ Explanation:
Melanisation in peppered moth does not favour the Lamarckian concept of inheritance of acquired characters
Q10.
тАЬHuman population grows in geometric ratio while food materials increase in arithmetic proportionтАЭ. It is a statement from
ЁЯУШ Explanation:
Malthus.
Q11.
Which one of the following scientistтАЩs name is correctly matched with the theory put forth by him ?
ЁЯУШ Explanation:
Weismann-Theory of continuity of germplasm
Q12.
Single step large mutation leading to speciation is also called
ЁЯУШ Explanation:
Single step large mutation leading to speciation is also called saltation
Q13.
Hardy-Weinberg equilibrium is known to be affected by gene flow, genetic drift mutation, genetic recombination and
ЁЯУШ Explanation:
Hardy-Weinberg equilibrium is known to be affected by gene flow, genetic drift mutation, genetic recombination and natural selection.
Q14.
The Hardy-Weinberg principle cannot operate if
ЁЯУШ Explanation:
The Hardy-Weinberg principle cannot operate if frequent mutations occur in the population
Q15.
Genetic drift operates only in
ЁЯУШ Explanation:
smaller populations
Q16.
Which of the following statements is True ?
ЁЯУШ Explanation:
Flipper of penguin and dolphin are analogous organs
Q17.
Replacement of the lighter-coloured variety of peppered moth (Biston betularia) to its darker variety (Biston carbonaria) in England is the example of
ЁЯУШ Explanation:
natural selection
Q18.
Phenomenon of тАШindustrial melanismтАЩ demonstrates
ЁЯУШ Explanation:
phenomenon of тАШindustrial melanismтАЩ demonstrates natural selection
Q19.
presence of gills in the tadpole of frog indicated that
ЁЯУШ Explanation:
presence of gills in the tadpole of frog indicated that frogs evolved from gilled ancestors
Q20.
The character that proves that frogs have evolved from fishes is
ЁЯУШ Explanation:
tadpole larva in frogs
Q21.
Which is the correct order of increasing geological time scale for a hypothetical vertebrate evolution ?
ЁЯУШ Explanation:
Proterozoic, Palaeozoic, Mesozoic, Cenozoic
Q22.
The тАШDevonian periodтАЩ is considered to be as
ЁЯУШ Explanation:
The тАШDevonian periodтАЩ is considered to be as age of fishes.
Q23.
Amphibians were dominant during _______ period.
ЁЯУШ Explanation:
Carboniferous
Q24.
The primate which existed 15 mya was
ЁЯУШ Explanation:
The primate which existed 15 mya was Ramapithecus
Q25.
The extinct stone ancestor, who ate only fruits and hunted with stone weapons was
ЁЯУШ Explanation:
Australophecus.
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