Consider the following rivers :

1. Beas

2. Banas

3. Chambal

4. Chenab

5. Sutlej

The scientific view is that the increase in global temperature should not exceed 2°C above pre-industrial level. If the global temperature increases beyond 3 °C above the pre-industrial level, what can be its possible impact/impacts on the world?

1. Terrestrial biosphere tends toward a net carbon source.

2. Widespread coral mortality will occur.

3. All the global wetlands will permanently disappear.

4. Cultivation of cereals will not be possible anywhere in the world.

What are the benefits of imple-menting the Integrated Watershed Development Programme?

1. Prevention of soil runoff

2. Linking the country's perennial rivers with seasonal rivers

3. Rainwater harvesting and recharge of groundwater table

4. Regeneration of natural vegetation

Which of the following are the discretionary powers given to the Governor of a State?

1. Sending a report to the President of India for imposing the President's rule

2. Reserving some bills passed by the State Legislature for consideration of the President of India

3.. Making the rules to conduct the business of the State Government

With reference to Neem tree, consider the following statements:

1. Neem oil can be used as a pesticide to control the proliferation of some species of insects and mites.

2. Neem seeds are used in the manufacture of biofuels and hospital detergents.

3. Neem oil has applications in pharmaceutical industry.