- 1(current)
Q. No.Match each item in Column-I with one item in Column-II and chose your answer from the codes given below.
|
Column-I |
Column-II |
||
| I. | Homologous organs | 1. | Eye of an octopus and the eye of a mammal |
| II. | Analogous organs | 2. | Thorn of Bougainvillea and tendril of Cucurbita |
| III. |
Vestigeal organs |
3. |
Body hair and wisdom teeth in humans |
Codes:
| I | II | III | |
| 1. | 1 | 2 | 3 |
| 2. | 3 | 1 | 2 |
| 3. | 2 | 1 | 3 |
| 4. | 1 | 3 | 2 |
Subtopic: Natural Selection |
90%
Level 1: 80%+
Hints
Consider the given two statements:
| Assertion: | Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. |
| Reason: | Natural selection is a key mechanism of evolution. |
| 1. | (A) is True but (R) is False |
| 2. | (A) is False but (R) is True |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A) |
Subtopic: Natural Selection |
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
Natural selection is based on certain observations which are factual and include all the following except:
| 1. | Natural resources are limited. |
| 2. | Populations go on increasing in size as they have unlimited fertility. |
| 3. | No two individuals are alike in a population. |
| 4. | Most of variations are inherited |
Subtopic: Natural Selection |
68%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
© 2026 GoodEd Technologies Pvt. Ltd.