Statement l: | Rain forests, which used to cover more than 14% of the earth's land surface, are now reduced to 6%. |
Statement II: | The Amazon rain forest has the greatest biodiversity on earth. |
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