Q. No.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 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
Which part of the world has a high density of organism?
(1) Deciduous forests
(2) Grasslands
(3) Tropical rain forests
(4) Savannahs
Which of the following rain forest is home to more than 40,000 species of plants, 3,000 of fishes, 1,300 of birds, 427 of mammals, 427 of amphibians, 378 of reptiles and more than 1,25,000 invertebrates?
(1) Amazonian
(2) Tropical
(3) Arctic tundra
(4) Temperate
Latitudinal gradient in diversity says that
(1) Species diversity decreases as we move away from the equator towards the poles
(2) Species diversity increases as we move away from the equator towards the poles
(3) There are few exceptions to this pattern of Biodiversity
(4) Both (1) and (3)
Which of the following will harbor more species than temperate regions?
(1) Tropics: latitudinal range 23.5 degree North to 23.5 degree South
(2) Tropics: 12.5 degree North to 12.5 degree South
(3) Polar regions: 12.5 degree North to 12.5 degree South
(4) Polar regions: 23.5 degree North to 23.5 degree South
Which of the following is wrong about diversity of birds?
(1) Colombia-1400
(2) New york-105
(3) Greenland-95
(4) India-1200
India has more than 1200 species of birds. This is because
(1) India with much of it's land area in the tropical latitudes
(2) India with much of it's land area in temperate latitudes
(3) India with it's considerable land area in polar latitudes
(4) India with much of it's land area in different altitudes
Which of the two groups have the same diversity in Amazonian Rain forest?
(1) Amphibians and Mammals
(2) Amphibians and reptiles
(3) Reptiles and mammals
(4) Reptiles and Birds
Which of the following statements is not correct about Amazon Rain forest?
| 1. | There are more than 125000 invertebrates |
| 2. | At least two million insect species waiting to be discovered |
| 3. | Reptiles and mammals are equally diverse in Amazonian Rain forest |
| 4. | There are around 3000 species of fishes |
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