451: Consider the following statements:
1. Sensex is based on 50 of the most important stocks available on the Bombay Stock Exchange (BSE).
2. For calculating the Sensex, all the Sensex stocks are assigned proportional weightage.
3. New York Stock Exchange is the oldest stock exchange in the world.
Which of the following statements given above is/are correct?
(a) 1 and 3
(b) 2 and 3
(c) 2 only
(d) None
452: Seasonal migration of men and animals from lower to higher altitudes during the summer is known as
(a) Nomadism
(b) Migration
(c) Transhumance
(d) Pastoralism
453: In the case of a Test-tube baby
(a) fertilization takes place inside the test-tube
(b) development of the baby taken place inside the test-tube
(c) fertilization takes place outside the mother's body
(d) unfertilized egg develops inside the test-tube
454: What is/are the advantage/advantages of implementing the 'National Agriculture Market' (NAM) scheme?
1. It is a pan-India electronic trading portal for agricultural commodities.
2. It provides the farmers access to nationwide market, with prices commensurate with the quality of their produce.
Select the correct answer using the code given below :
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
455: In which of the following activities are Indian Remote Sensing (IRS) satellites used?
1. Assessment of crop productivity
2. Locating groundwater resources
3. Mineral exploration
4. Telecommunications
5. Traffic studies
Select the correct answer using the code given below.
(a) 1, 2 and 3 only
(b) 4 and 5 only
(c) 1 and 2 only
(d) 1, 2, 3, 4 and 5