MEDIUM
Earn 100

Molecular homology deals with

64.71% studentsanswered this correctly

Important Questions on Evolution

EASY
Which of the following structures is homologous to the wing of a bird?
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

EASY
Which of the following is an example of convergent evolution?
MEDIUM
The similarity of bone structure in the forelimbs of many vertebrates is an example of:
MEDIUM
Organic compounds first evolved in earth required for origin of life were :
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
EASY
In Bougainvillea and Cucurbita, the axillary bud is modified into thorn and tendril respectively. This is an example of
EASY
Which of the following statements is not true ?
EASY

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
Flippers of Penguins and Dolphins are examples of
MEDIUM
Which of the following does not show divergent evolution?
EASY
Which one of the following are analogous structures?
EASY
Embryological support for evolution was disapproved by
EASY
Analogous structures are a result of:
EASY
Embryological support for evolution was proposed by:
MEDIUM
How does the study of fossils help to understand organic evolution? Support your answer with examples.
EASY
Which of the following represents the order of 'Horse'?
MEDIUM
Convergent evolution is illustrated by ___.
EASY
The ________ theory attempts to explain to us the origin of the universe.
EASY
The wings of a bird and the wings of an insect are: