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To meet its rapidly growing energy demand, some opine that India should pursue research and development on thorium as the future fuel of nuclear energy. In this context what advantage does thorium hold over uranium?
1. Thorium is far more abundant in nature than uranium.
2. On the basis per unit mass of mined mineral, thorium can generate more energy compared to natural uranium.
3. Thorium produces less harmful waste compared to uranium.
Which of the statements given above is/are correct?
UPSC 2012
1 only
2 and 3 only
1 and 3 only
1, 2 and 3
When you travel in Himalayas, you will see the following:
1. Deep gorges
2. U-turn river courses
3. Parallel mountain ranges
4. Steep gradients causing land-sliding
Which of the above can be said to be the evidences for Himalayas being young fold mountains?
UPSC 2012
1 and 2 only
1, 2 and 4 only
3 and 4 only
1, 2, 3 and 4
The acdification of oceans is increasing. Why is this phenomenon a cause of concern?
1. The growth and survival of calcareous phytoplankton will be adversely affected.
2. The growth and survival of coral reefs will be adversely affected.
3. The survival of some animals that have phytoplanktonic larvae will be adversely affected.
4. The cloud seeding and formation of clouds will be adversely affected.
Which of the statements given above is /are correct?
UPSC 2012
1, 2 and 3 only
2 only
1 and 3 only
1, 2, 3 and 4
Despite having large reserves of coal, why does India import millions of tones of coal?
1. It is the policy of India to save its own coal reserves for future, and import it from other countries for the present use.
2. Most of the power plants in India are coal-based and they are not able to get sufficient supplies of coal from within the country.
3. Steel companies need large quantity of coking coal which has to be imported.
Which of the statements given above is/are correct?
UPSC 2012
1 only
2 and 3 only
1 and 3 only
1, 2 and 3
Consider the following protected areas :
1. Bandipur
2. Bhitarkanika
3. Manas
4. Sunderbans
Which of the above are declared Tiger Reserves?
UPSC 2012
1 and 2 only
1, 3 and 4 only
2, 3 and 4 only
1, 2, 3 and 4
Consider the following statements :
1. The duration of the monsoon decreases from southern India to northern India.
2. The amount of annual rainfall in the northern plains of India decreases from east to west.
Which of the statements given above is/are correct?
UPSC 2012
Only 1
Only 2
Both 1 and 2
Neither 1 nor 2
In which one among the following categories of protected areas in India are local people not allowed to collect and use the biomass ?
UPSC 2012
Biosphere Reserves
National Parks
Wetlands declared under Ramsar Convention
Wildife Sanctuaries
Which one of the following groups of animals belongs to the category of endangered species?
UPSC 2012
Great Indian Bustard, Musk Deer, Red Panda and Asiatic Wild Ass
Kashmir Stag, Cheetal, Elue Bul and Great Indian Bustard
Lion-tailed Macaque, Blue Bull, Hanuman Langur and Cheetal
Snow Leopard, Swamp Deer, Rhesus Monkey and Saras (Crane)
Which of the following can be threats to the biodiversity of a geographical area?
1. Global warning
2. Fragmentation of habitat
3. Invasion of alien species
4. Promotion of vegetarianism
Select the correct answer using the codes given below :