Welcome to your environmentquiz8
1.
Consider the following:
- Star tortoiseÂ
- Monitor lizardÂ
- Pygmy hogÂ
- Spider monkeyÂ
Which of the above are naturally found in India?
2.
The Government of India encourages the cultivation of 'sea buckthorn'. What is the importance of this plant? [2012]
- It helps in controlling soil erosion and in preventing desertification.Â
- It is a rich source of biodiesel.Â
- It has nutritional value and is well-adapted to live in cold areas of high altitudes.Â
- Its timber is of great commercial value.Â
Which of the statements given above is/are correct?
3.
Which one of the following groups of animals belongs to the category of endangered species? [2012]
4.
What is the difference between the antelopes Oryx and Chiru? [2012]
5.
Consider the following: [2012]
- Black-necked craneÂ
- CheetahÂ
- Flying squirrelÂ
- Snow leopardÂ
Which of the above are naturally found in India?
6.
What would happen if phytoplankton of an ocean is completely destroyed for some reason? [2012]
- The ocean as a carbon sink would be adversely affectedÂ
- The food chains in the ocean would be adversely affected.Â
- The density of ocean water would drastically decrease
7.
Vultures which used to be very common in the Indian countryside some years ago are rarely seen nowadays. This is attributed to: [2012]
8.
The acidification of Oceans is increasing. Why is this phenomenon a cause of concern? [2012]
- The growth and survival of calcareous phytoplankton will be adversely affected.Â
- The growth and survival of coral reefs will be adversely affected.Â
- Survival of some animals that have phytoplanktonic larvae will be adversely affected.Â
- The cloud seeding and formation of clouds will be adversely affected
9.
Which of the following can be threats to the biodiversity of a geographical area? [2012]
- Global warmingÂ
- Fragmentation of habitatÂ
- Invasion of alien speciesÂ
- Promotion of vegetarianism
10.
Biodiversity forms the basis for human existence in the following ways: [2011]
- Soil formation.Â
- Prevention of soil erosion.
- Recycling of waste.Â
- Pollination of crops.
Choose correct option.