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Earn 100

A branch of biology which deals with the study of development of an organism from the egg stage to adult stage is called 

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Important Questions on Evolution

MEDIUM

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

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Flippers of Penguins and Dolphins are examples of
MEDIUM
Convergent evolution is illustrated by ___.
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Which of the following statements is not true ?
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Which one of the following are analogous structures?
MEDIUM

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
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Embryological support for evolution was proposed by:
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Which of the following is an example of convergent evolution?
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The ________ theory attempts to explain to us the origin of the universe.
MEDIUM
Organic compounds first evolved in earth required for origin of life were :
MEDIUM
Which of the following does not show divergent evolution?
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Which of the following structures is homologous to the wing of a bird?
MEDIUM
The similarity of bone structure in the forelimbs of many vertebrates is an example of:
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In Bougainvillea and Cucurbita, the axillary bud is modified into thorn and tendril respectively. This is an example of
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Seymouria represents the evolutionary biological link between the following organisms
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A researcher found petrified dinosaur faeces. Which one of the following is unlikely to be found in this fossil?
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Thorns of Bougainvillea and tendrils of Cucurbita represent which type of examples?
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Embryological support for evolution was disapproved by
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The wings of a bird and the wings of an insect are:
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Analogous structures are a result of: