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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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Level 2: 60%+
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Match each item in Column I with one item in Column II and select the correct match from the codes given:
| COLUMN I | COLUMN II | ||
| A | Largest marine animal phylum | P | Arthropoda |
| B | Largest animal phylum | Q | Mollusca |
| C | Largest vertebrate class | R | Pisces |
| D | Largest vertebrate endotherm class | S | Aves |
Codes
| A | B | C | D | |
| 1. | P | Q | R | S |
| 2. | Q | P | S | R |
| 3. | P | Q | S | R |
| 4. | Q | P | R | S |
Subtopic: Introduction & Types |
60%
Level 2: 60%+
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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 |
57%
Level 3: 35%-60%
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According to the ‘India State of Forest Report (ISFR)’ 2021, which state has the largest area-wise forest cover in the country?
1. Arunachal Pradesh
2. Chhattisgarh
3. Madhya Pradesh
4. Maharashtra
1. Arunachal Pradesh
2. Chhattisgarh
3. Madhya Pradesh
4. Maharashtra
Subtopic: Biodiversity Patterns |
62%
Level 2: 60%+
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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 |
Level 4: Below 35%
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| Assertion (A): | Tilman found that plots with more species showed less year-to-year variation in total biomass |
| Reason (R): | He showed in his experiment that increased diversity contributed to higher productivity. |
| 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 |
Level 3: 35%-60%
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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 |
Level 3: 35%-60%
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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 |
62%
Level 2: 60%+
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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 |
61%
Level 2: 60%+
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Loss of biodiversity in a region may lead to
| a. | Increased variability in certain ecosystem processes. |
| b. | Lowered resistance to environmental perturbations. |
| c. | Decline in productivity. |
1. Only a is correct
2. Only a is incorrect
3. Only b and c
4. Both a and b are incorrect
2. Only a is incorrect
3. Only b and c
4. Both a and b are incorrect
Subtopic: Loss of Biodiversity |
Level 4: Below 35%
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