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 Darwin’s concept of natural selection in organic evolution ?
📘 Explanation:
Prevalence of pesticide resistant insects
Q2.
The phenomenon ‘ontogeny repeats phylogeny’ is explained by
📘 Explanation:
The phenomenon ‘ontogeny repeats phylogeny’ is explained by recapitualtion theory.
Q3.
The presence of gill slits, in the embryos of vertebrates, supports the theory of
📘 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 ?
📘 Explanation:
Nails is not a vestigial organ in man
Q5.
Which one is not a vestigia organ ?
📘 Explanation:
Flipper of seal is not a vestigia organ.
Q6.
By the statement ‘survival of the fittest’, Darwin meant that
📘 Explanation:
the species most adaptable to changes survives.
Q7.
Which of the following are the two key concepts of Darwinian theory of evolution ?
📘 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
📘 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 ?
📘 Explanation:
Melanisation in peppered moth does not favour the Lamarckian concept of inheritance of acquired characters
Q10.
“Human population grows in geometric ratio while food materials increase in arithmetic proportion”. It is a statement from
📘 Explanation:
Malthus.
Q11.
Which one of the following scientist’s name is correctly matched with the theory put forth by him ?
📘 Explanation:
Weismann-Theory of continuity of germplasm
Q12.
Single step large mutation leading to speciation is also called
📘 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
📘 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
📘 Explanation:
The Hardy-Weinberg principle cannot operate if frequent mutations occur in the population
Q15.
Genetic drift operates only in
📘 Explanation:
smaller populations
Q16.
Which of the following statements is True ?
📘 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
📘 Explanation:
natural selection
Q18.
Phenomenon of ‘industrial melanism’ demonstrates
📘 Explanation:
phenomenon of ‘industrial melanism’ demonstrates natural selection
Q19.
presence of gills in the tadpole of frog indicated that
📘 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
📘 Explanation:
tadpole larva in frogs
Q21.
Which is the correct order of increasing geological time scale for a hypothetical vertebrate evolution ?
📘 Explanation:
Proterozoic, Palaeozoic, Mesozoic, Cenozoic
Q22.
The ‘Devonian period’ is considered to be as
📘 Explanation:
The ‘Devonian period’ is considered to be as age of fishes.
Q23.
Amphibians were dominant during _______ period.
📘 Explanation:
Carboniferous
Q24.
The primate which existed 15 mya was
📘 Explanation:
The primate which existed 15 mya was Ramapithecus
Q25.
The extinct stone ancestor, who ate only fruits and hunted with stone weapons was
📘 Explanation:
Australophecus.
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