1481: 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
Select the correct answer using the code given below:
(a) 1 only
(b) 1 and 2 only
(c) 2, 3 and 4 only
(d) 1, 2, 3 and 4
1482: Pearls are formed inside:
(a) Squids
(b) Snails
(c) Oysters
(d) Mollusks
1483: If a toy boat in a tank sinks, the level of water will:
(a) Increase
(b) Decrease
(c) Fluctuate
(d) Remain the same
1484: What is/are common to the two historical places known as Ajanta and Mahabalipuram?
1. Both were built in the same period.
2. Both belong to the same religious denomination.
3. Both have rock-cut monuments.
Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) None of the statements given above is correct
1485: Consider the following statements:
1. Damodar Valley Corporation is the first multipurpose river valley project of independent India.
2. Damodar Valley Corporation includes thermal and gas power stations.
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