does not affect Hardy-Weinberg equilibrium

do not change the frequency of genes and alleles in future generation

slows down the formation of reproductive population

Match List - I with List - II . List - I List - II (a) Adaptive radiation (i) Selection of resistant varieties due to excessive use of herbicides and pesticides (b) Convergent evolution (ii) Bones of forelimbs in Man and Whale (c) Divergent evolution (iii) Wings of Butterfly and Bird (d) Evolution by anthropogenic action (iv) Darwin Finches

( a ) − ( iv ) ; ( b ) − ( iii ) ; ( c ) − ( ii ) ; ( d ) − ( i )

( a ) − ( iii ) ; ( b ) − ( ii ) ; ( c ) − ( i ) ; ( d ) − ( iv )

( a ) − ( ii ) ; ( b ) − ( i ) ; ( c ) − ( iv ) ; ( d ) − ( iii )

( a ) − ( i ) ; ( b ) − ( iv ) ; ( c ) − ( iii ) ; ( d ) − ( ii )

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Industrial melanism is an example of

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Important Questions on Evolution

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Biology>Genetics and Evolution>Evolution>Evidences of Evolution

Convergent evolution is illustrated by ___.

HARD

Biology>Genetics and Evolution>Evolution>Evidences of Evolution

Write salient features of Darwin's theory of Evolution

EASY

Biology>Genetics and Evolution>Evolution>Evidences of Evolution

Flippers of Penguins and Dolphins are examples of

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Biology>Genetics and Evolution>Evolution>Evidences of Evolution

Which of the following is an example of convergent evolution?

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Biology>Genetics and Evolution>Evolution>Evidences of Evolution

The wings of a bird and the wings of an insect are:

EASY

Biology>Genetics and Evolution>Evolution>Evidences of Evolution

In Bougainvillea and Cucurbita, the axillary bud is modified into thorn and tendril respectively. This is an example of

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Biology>Genetics and Evolution>Evolution>Evidences of Evolution

Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action?

(a) Darwin’s Finches of Galapagos islands.
(b) Herbicide resistant weeds.
(c) Drug resistant eukaryotes.
(d) Man-created breeds of domesticated animals like dogs.

EASY

Biology>Genetics and Evolution>Evolution>Evidences of Evolution

Genetic drift

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Biology>Genetics and Evolution>Evolution>Evidences of Evolution

Which one of the following are analogous structures?

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Biology>Genetics and Evolution>Evolution>Evidences of Evolution

The ________ theory attempts to explain to us the origin of the universe.

MEDIUM

Biology>Genetics and Evolution>Evolution>Evidences of Evolution

Match List $- I$ with List $- II$ .

List $- I$		List $- II$
(a)	Adaptive radiation	(i)	Selection of resistant varieties due to excessive use of herbicides and pesticides
(b)	Convergent evolution	(ii)	Bones of forelimbs in Man and Whale
(c)	Divergent evolution	(iii)	Wings of Butterfly and Bird
(d)	Evolution by anthropogenic action	(iv)	Darwin Finches

EASY

Biology>Genetics and Evolution>Evolution>Evidences of Evolution

Analogous structures are a result of:

MEDIUM

Biology>Genetics and Evolution>Evolution>Evidences of Evolution

Which of the following does not show divergent evolution?

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Biology>Genetics and Evolution>Evolution>Evidences of Evolution

Statement I: Organs which have similar structure and origin but perform different functions are called analogous organs.
Statement II : The sudden appearance of some vestigial organs in a better developed condition is called atavism

The correct option among the following is

MEDIUM

Biology>Genetics and Evolution>Evolution>Evidences of Evolution

The similarity of bone structure in the forelimbs of many vertebrates is an example of:

EASY

Biology>Genetics and Evolution>Evolution>Evidences of Evolution

Variations caused by mutation, as proposed by Hugo de Vries, are:

EASY

Biology>Genetics and Evolution>Evolution>Evidences of Evolution

A diploid plant has 14 chromosomes, but its egg cell has 6 chromosomes. Which one of the following is the most likely explanation of this?

MEDIUM

Biology>Genetics and Evolution>Evolution>Evidences of Evolution