Consider the following:

1. Carbon monoxide

2. Nitrogen oxide

3. Ozone

4. Sulphur dioxide

Excess of which of the above in the environment is/are cause(s) of acid rain?

With reference to the Indian economy, consider the following statements:

1. An increase in Nominal Effective Exchange Rate (NEER) indicates the appreciation of rupee.

2. An increase in the Real Effective Exchange Rate (REER) indicates an improvement in trade competitiveness.

3. An increasing trend in domestic inflation relative to inflation in other countries is likely to cause an increasing divergence between NEER and REER.

Which of the above statements are correct ?

With reference to the Indian economy, consider the following statements :

1. If the inflation is too high, Reserve Bank of India (RBI) is likely to buy government securities.

2. If the rupee is rapidly depreciating, RBI is likely to sell dollars in the market.

3. If interest rates in the USA or European Union were to fall, that is likely to induce RBI to buy dollars.

Which of the statements given above are correct ?

With reference to the Indian economy, what are the advantages of "Inflation-Indexed Bonds (IIBs)" ?

1. Government can reduce the coupon rates on its borrowing by way of IIBs.

2. IIBs provide protection to the investors from uncertainty regarding inflation.

3. The interest received as well as capital gains on IIBs are not taxable.

Which of the statements given above are correct?