In the following questions a statement of assertion (A) is followed by a statement of reason (R).
| Assertion(A): | Sacred forests are refuge of rare, endangered and endemic taxa. |
| Reason(R): | The land of sacred forests is fertile. |
| 1. | Both (A) & (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) & (R) are true but (R) is not the correct explanation of (A) |
| 3. | (A) is true statement but (R) is false. |
| 4. | Both (A) and (R) are false statements. |
| Statements I: | Species confined to a particular region and are not found anywhere else are called endemic species |
| Statement II: | Keystone species are usually abundant in an ecosystem |
| A. | It increases from high to low latitudes |
| B. | Increased biodiversity contributes to higher productivity |
| C. | Within a region, species richness increases with increasing explored area |
| D. | Loss of biodiversity in a region leads to decreased variability in ecosystem processes |
| E. | Tropical environments promote niche specialization and lead to decrease in biodiversity |
| (a) | Plants | (b) | Invertebrates |
| (c) | Fishes | (d) | Mammals |
| (e) | Birds |
| 1. | (a) > (b) > (e) > (d) > (c) | 2. | (a) > (c) > (d) > (b) > (e) |
| 3. | (b) > (a) > (e) > (d) > (c) | 4. | (b) > (a) > (c) > (e) > (d) |
| 1. | A significant reduction in the current rate of biodiversity loss. |
| 2. | Declaration of more biodiversity hotspots. |
| 3. | Increase in agricultural production |
| 4. | Collection and preservation of seeds of different genetic strains of commercially important plants. |
| List-I | List-II | ||
| (a) | Sacred groves | (i) | Alien species |
| (b) | Zoological park | (ii) | Release of large quantity of oxygen |
| (c) | Nile perch | (iii) | Ex-situ conservation |
| (d) | Amazon forest | (iv) | Khasi Hills in Meghalaya |
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (iii) | (i) | (ii) |
| 2. | (ii) | (iv) | (i) | (iii) |
| 3. | (iv) | (i) | (ii) | (iii) |
| 4. | (iv) | (iii) | (ii) | (i) |