Evolution · Biology · MHT CET (Biology)
MCQ (Single Correct Answer)
Select the correct pair regarding origin of life
Connecting link between ape and man is ____________ in the course of human evolution.
According to Darwinism, __________ leads to evolution.
Example of geographical isolation is __________
Arrange the following events of chemical evolution in proper sequence.
i. formation of nucleic acid
ii. formation of eobionts
iii. formation of protocell
iv. formation of complex organic compounds
Match concepts of origin of life in Column I with their examples given in Column II.
| Column (I) | Column (II) | ||
|---|---|---|---|
| i. | Geographical | a. | Moths of Great Britain in 1845 |
| ii. | Convergent evolution | b. | Bones of forelimbs in man and whale |
| iii. | Divergent evolution | c. | Wings of butterfly and bird |
| iv. | Natural selection | d. | Darwin finches |
Given below are two statements.
Statement I - Directional selection favours intermediate forms and eliminates both phenotypic extremes.
Statement II - In directional selection, more individuals acquire value other than mean character value.
In the light of above statements, select the correct option given below:
Darwin's finches are good example of ____________
Select the correct set of evolutionary characters of man.
Which one of the following occurs due to changes in the environment and genetic variations of the species?
Select the INCORRECT statement regarding RNA world hypothesis.
DDT resistant mosquitoes and different beak sizes of African seed cracker finches show
_________ type of selection respectively.
Homo sapiens are most closely related to________
Which one of the following is the most primitive ancestor of Homo sapiens?