| 1. | Narrowly utilitarian | 2. | Ethical |
| 3. | Broadly utilitarian | 4. | Sustainable |
| 1. | 2.4 % and 8.1 % | 2. | 1.7 % and 12 % |
| 3. | 2.1 % and 9.5 % | 4. | 3.4 % and 16 % |
| Column-I (Extinct animal) |
Column-II (Country/continent) |
||
| A. | Stellar’s sea cow | P. | Australia |
| B. | Thylacine | Q. | Russia |
| C. | Quagga | R. | Mauritius |
| D. | Dodo | S. | Africa |
| A | B | C | D | |
| 1. | P | Q | R | S |
| 2. | Q | P | S | R |
| 3 | R | S | P | Q |
| 4. | S | R | Q | P |
| I: | Among invertebrates maximum species richness is seen in insects |
| II: | Among vertebrates maximum species richness is seen in mammals |
| 1. | Amazon rain forest produces 20% of total oxygen in the Earth’s atmosphere |
| 2. | All the biodiversity hotspots put together cover about 10 % of the Earth’s land area |
| 3. | About 31 % of all gymnosperms species in the world face the threat of extinction |
| 4. | India’s share of the global species diversity is about 8.1 % |
| 1. | Assam | 2. | Meghalaya |
| 3. | Manipur | 4. | Arunachal Pradesh |
| 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 |
| 1. | Habitat loss and fragmentation |
| 2. | Over-exploitation |
| 3. | Alien species invasion |
| 4. | Co-extinctions |