Which of the following come under the "Evil Quarter"?
(a) Habitat loss and fragmentation
(b) Over-exploitation
(c) Alien species invasion
(d) Mortality
(e) Competition
Choose the correct answer from the options given below:
1. (a), (c) and (d)
2. (b), (c) and (d)
3. (a), (b) and (c)
4. (a), (b) and (d)
Endemism refers to:
1. Species richness
2. Species evenness
3. Species confined to that region
4. Species diversity
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) |
Which of the following is the most important cause for animals and plants being driven to extinction?
1. Alien species invasion
2. Habitat loss and fragmentation
3. Drought and floods
4. Economic exploitation
The decline in the population of Indian native fishes due to the introduction of Clarias gariepinus in river Yamuna can be categorised as:
1. Co-extinction
2. Habitat fragmentation
3. Over exploitation
4. Alien species invasion