Q. No.
India is one of the twelve megadiversity countries with ______ of genetic resources of the world.
1. 12.1%
2. 18.1%
3. 38.1%
4. 8.1%
Which of the following is not an invasive species?
(1) Parthenium hysterophorus
(2) Nelumbo (lotus)
(3) Lantana camara
(4) Eichhornia crassipes
Which of the following statements is not true?
(1) The biodiversity decreases with increasing altitude.
(2) The biodiversity decreases with increasing pollution.
(3) The fishes show greatest biodiversity among vertebrates.
(4) The biodiversity of bryophytes is greater than that of angiosperms.
One out of the following is not responsible for biodiversity loss.
(1) Alien species invasion
(2) Co-extinction
(3) Ex-situ conservation
(4) Deforestation
Refer the following figure represent global biodiversity. Identify A-E and choose the correct option.
| A | B | C | D | E | |
| (1) | Birds | Reptiles | Algae | Molluscs | Mosses |
| (2) | Mammals | Birds | Lichens | Molluscs | Mosses |
| (3) | Birds | Amphibians | Mosses | Insects | Algae |
| (4) | Birds | Reptiles | Algae | Insects | Mosses |
Select the correct statement about biodiversity.
| 1. | The desert area of Rajasthan and Gujarat have a very high level of desert animals. |
| 2. | Large scale planting of Bt cotton has no adverse effect on biodiversity |
| 3. | Western Ghats have a very high degree of species richness and endemism |
| 4. | Conservation of biodiversity is just a fad pursued by the developed countries. |
The species diversity decreases from lower to higher altitudes on a mountain. This is due to
(1) increase in temperature
(2) decrease in temperature
(3) greater seasonal variability
(4) Both (b) and (c)
Different varieties of Indian mangoes are most popular in Western and some other European countries. The varieties with different flavour, colour, sugar and fleshy content is due to
(1) genetic diversity
(2) species diversity
(3) induced mutation
(4) hybridisation
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