Which group, amongst the following, has the maximum percentage of species facing threat of extinction?
1. | Amphibians | 2. | Birds |
3. | Mammals | 4. | Gymnosperms |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Which of the following species of tiger has not gone extinct?
1. | Bali | 2. | Javan |
3. | Caspian | 4. | Siberian |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Which of the following is not a reason that accounts for greater biodiversity of tropics?
1. | availability of more solar energy |
2. | more niche specialization |
3. | more time for species diversification |
4. | large seasonal variations in environmental factors |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Although, India has only 2.4 % of world’s area, its share of global species diversity is about:
1. | 3% | 2. | 5% |
3. | 8% | 4. | 11% |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Approximately, what number of species have been identified, named and studied?
1. | 1.0 million | 2. | 1.5 million |
3. | 1.7 million | 4. | 2.0 million |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The greatest biodiversity on the earth is found in:
1. | African grasslands |
2. | Amazonian rain forest in South America |
3. | Western Ghats in India |
4. | Nile delta in Egypt |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The biodiversity hotspots in India include all the following except:
1. | Western Ghats and Sri Lanka | 2. | Indo-Burma |
3. | Himalayas | 4. | Deccan plateau |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
What percent of earth’s area is covered by hotspots of biodiversity?
1. | less than 2 | 2. | about 7 |
3. | about 11 | 4. | more than 16 |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
According to your NCERT text, the number of biosphere reserves, national parks and wildlife sanctuary in India are respectively:
1. | 14, 90 and 448 | 2. | 11, 98 and 440 |
3. | 15, 101 and 403 | 4. | 13, 92 and 427 |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Earth Summit 2012 was held in:
1. | Rio | 2. | Johannesberg |
3. | Paris | 4. | Geneva |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.