- 1(current)
Q. No.The Amazon Forest:
| I: | is a largely tropical rainforest in South Africa |
| II: | has the greatest biodiversity on Earth |
| III: | produces about 20% of total oxygen in the earth’s atmosphere through photosynthesis |
| 1. | Only I and II are correct |
| 2. | Only I and III are correct |
| 3. | Only II and III are correct |
| 4. | I, II and III are correct |
Subtopic: Biodiversity Patterns | Importance of Biodiversity | Loss of Biodiversity |
57%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
What can be correctly inferred from species richness model?
| 1. | The extinction rate and the rate at which new species arrive will tend toward an equilibrium number of species |
| 2. | Offspring can inherit characteristics acquired by their parents |
| 3. | More new species will arrive in an area than go extinct in a given amount of time |
| 4. | The number of species in an area will always increase |
Subtopic: Importance of Biodiversity |
Please attempt this question first.
Hints
| Assertion (A): | Paul Ehrlich explained the essentiality· of biodiversity for ecosystem health. |
| Reason (R): | According to Paul Ehrlich, airplane and rivets are analogy to ecosystem and species respectively |
| 1. | Both (A) and (R) are True and the (R) is the correct explanation of the (A). |
| 2. | Both (A) and (R) are True and the (R) is not the correct explanation of the (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Importance of Biodiversity |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Consider the given two statements:
| Assertion (A): | Ecosystems with higher species richness tend to be more stable and resilient to disturbances. |
| Reason (R): | Higher species richness reduces competition among species, leading to ecosystem stability. |
| 1. | Both (A) and (R) are True and (R) explains (A). |
| 2. | Both (A) and (R) are True but (R) does not explain (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Importance of Biodiversity | Biodiversity |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
© 2025 GoodEd Technologies Pvt. Ltd.