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Q. No.Study the following pie chart w.r.t. global diversity of plants and select the correct option.
| A | B | C | D | E | F | |
| 1. | Anagios - perms |
Lichens |
Algae |
Fungi |
Mosses |
Ferns and allies |
| 2. | Fungi |
Lichens |
Algae |
Angios- perms |
Mosse |
Ferns and allies |
| 3. | Fungi |
Mosses |
Ferns and allies
|
Angios - perms |
Lichens |
Algae |
| 4. | Angios - perms |
Ferns and allies |
Lichens |
Fungi |
Algae |
Mosses |
Subtopic: Introduction & Types |
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Consider the given two statements:
| Assertion (A): | Niche specialisation has been more prominent in tropics when compared to subtropics. |
| Reason (R): | There is more solar energy available in tropics |
| 1. | Both (A) and (R) are True and (R) correctly explains the (A) |
| 2. | Both (A) and (R) are True but (R) does not correctly explain the (A) |
| 3. | (A) is False, (R) is False |
| 4. | (A) is False, (R) is True |
Subtopic: Loss of Biodiversity |
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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 |
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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 |
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According to the species-area relationship, what happens to species richness as the area increases?
| 1. | It decreases exponentially. |
| 2. | It increases exponentially. |
| 3. | It increases at a decreasing rate. |
| 4. | It remains constant. |
Subtopic: Biodiversity Patterns |
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Consider the given two statements:
| Assertion (A): | The IUCN Red List is a critical indicator of the health of the world’s biodiversity. |
| Reason (R): | Major updates to the Red List dataset are usually published approximately every four years. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Loss of Biodiversity |
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| 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 |
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| Assertion (A): | A forest in a tropical region like equador has upto 10 times as many species of vascular plants as . a forest of equal area in a temperate region like the midwest of USA. |
| Reason (R): | Tropical environment unlike temperate ones, are less seasonal, relatively more constant and predictable. |
| 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 correct explanation of (A) |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A) |
Subtopic: Biodiversity Patterns |
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Colonisation of tropical Pacific Islands by humans have resulted in extinction of more than _____ 3 pecies of native birds.
1. 2000
2. 7000
3. 784
4. 15000
1. 2000
2. 7000
3. 784
4. 15000
Subtopic: Loss of Biodiversity |
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| Assertion (A): | When certain exotic species are introduced into a geographical area, they become invasive and start spreading fast. |
| Reason (R): | These exotic species invariably reproduce by asexual means. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 3. | (A) is True, (R) is False |
| 4. | (A) is False, (R) is False |
Subtopic: Loss of Biodiversity |
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