Evolution Of Life Question 45
Question: Match column-I with column-II and select the correct option.
| Column-I | Column-II |
|---|---|
| A. Saltation | I. Darwin |
| B. Formation of life was preceded | II. Louis Pasteur |
| C. Reproductive fitness | III. De Vries |
| D. Life comes from pre-existing life | IV. Oparin and Haldane |
Options:
A) A-III; B-IV; C-I; D-II
B) A-IV; B-III; C-II; D-I
C) A-II; B-III; C-I; D-IV
D) A-I; B-IV; C-III; D-II
Show Answer
Answer:
Correct Answer: A
Solution:
[a] Saltation theory was given by de Vries who was a Dutch botanist working with primroses.
He believed that a new species had suddenly sprung into existence as a mutation.
He theorized that new species “saltated” (leaped), that is continually sprung into existence.
Oparin and Haldane give origin of life, according to which life evolved in the oceans during a period when the atmosphere was reducing ? containing $ H_2,H_2O,NH_3,CH_4, $ and $ CO_2 $ but no free $ O_2 $ Reproductive fitness was given by Darwin.
Louis Pasteur was a French chemist and microbiologist renowned for his discoveries of the principles of vaccination, microbial fermentation and pasteurisation.
According to him, life comes from pre-existing life.
BETA
