Q. No.Biodiversity of a geographical region represents:
1.
Species endemic to the region
2.
Endangered species found in the region
3.
The diversity in the organisms living in the region
4.
Genetic diversity is present in the dominant species of the region.
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Select the correct statement about biodiversity:
| 1. | Large-scale planting of Bt cotton has no adverse effect on biodiversity |
| 2. | Western Ghats have a very high degree of species richness and endemism |
| 3. | Conservation of biodiversity is just a fad pursued by developed countries |
| 4. | The desert areas of Rajasthan and Gujarat have a very high level of desert animal species as well as numerous rare animals |
Species diversity is maximum in:
1. Tropical rain forests
2. Temperate forests
3. Deserts
4. Hill slopes
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1. lack of niche specialisation
2. higher annual rainfall
3. availability of fruits throughout the year
4. temperature conducive for their breeding
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Which of the following represent maximum number of species among global biodiversity?
1. Algae
2. Lichens
3. Fungi
4. Mosses and ferns
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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
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Which one of the following is not a method of in situ conservation of biodiversity?
1. Sacred Grove
2. Biosphere Reserve
3. Wildlife Sanctuary
4. Botanical Garden
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World summit on Sustainable Development (2002) was held in
1. Argentina
2. Brazil
3. South Africa
4. Sweden
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Zygogrammabicolorata is:
1. an invasive species in India that has disrupted many aquatic ecosystems
2. a beetle introduced in India to biocontrol carrot grass
3. a very important decomposers in polar regions
4. a threatened species of amphibian in western ghats of India
Identify the incorrectly matched pair:
|
1. |
Dodo |
Migratory bird |
|
2. |
Quagga |
A relative of Zebra |
|
3. |
Thylacine |
Largest carnivorous marsupial |
|
4. |
Stellar’s sea cow |
Aquatic mammal |
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