4121: Higher plants take up Nitrogen as:
(a) Nitrites only
(b) Nitrates only
(c) Nitrates and ammonia
(d) Urea
4122: Government of India encourages the cultivation of 'sea buckthorn'. What is the importance of this plant?
1. It helps in controlling soil erosion and in preventing desertification.
2. It is a rich source of biodiesel.
3. It has nutritional value and is well-adapted to live in cold areas of high altitudes.
4. Its timber is of great commercial value.
Which of the statements given above is /are correct?
(a) 1 only
(b) 2, 3 and 4 only
(c) 1 and 3 only
(d) 1, 2, 3 and 4
4123: The growth rate of per capita income at current prices is higher than that of per capita income at constant prices, because the latter takes into account the rate of
(a) growth of population
(b) increase in price level
(c) growth of money supply
(d) increase in the wage rate
4124: With reference to BRIC countries, consider the following statements :
1. At present, China's GDP is more than the combined GDP of all the three other countries.
2. China's population is more than the combined population of any two other countries.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
4125: The dispute regarding the election of President of India is to be referred to:
(a) Chief Election Commissioner
(b) Supreme Court
(c) Parliament
(d) Attorney-General