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 |
1. | Narrowly utilitarian | 2. | Broadly utilitarian |
3. | Ethical | 4. | Useless |
1. | Cryopreservation | 2. | In vitro fertilization |
3. | National Parks | 4. | Micropropagation |
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) |
Species Area relationship is described by the following equation.
log S = log C + Z log A
where Z is:
1. Area
2. Species richness
3. Slope of the line
4. Y-intercept