2526: Which one of the following pairs is not correctly matched ?
(a) T. S. Krishnamurthy : Former Chief Election Commissioner of India
(b) K. C. Pant : Chairman, Tenth Finance Commission of India
(c) A. M. Khusro : Former Chairman, Union Public Service Commission
(d) R. C. Lahoti : Former Chief Justice of India
2527: otal time taken by a person in going to a place by walking and returning on cycle is 5 hours 45 minutes. He would have gained 2 hours by cycling both ways. The time taken by him to walk both ways is
(a) 6 hours 45 minutes
(b) 7 hours 45 minutes
(c) 8 hours 15 minutes
(d) 8 hours 30 minutes
2528: The acidification of oceans is increasing. Why is this phenomenon a cause of concern?
1. The growth and survival of calcareous phytoplankton will be adversely affected.
2. The growth and survival of coral reefs will be adversely affected.
3. The survival of some animals that have phytoplanktonic larvae will be adversely affected.
4. The cloud seeding and formation of clouds will be adversely affected.
Which of the statements given above is /are correct?
(a) 1, 2 and 3 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2, 3 and 4
2529: Which of the following pairs is/are correctly matched ? Spacecraft Purpose
1. Cassini -Huygens Orbiting the: Venus and transmitting data to the Earth
2. Messenger: Mapping and investigating the Mercury
3. Voyager 1 and 2: Exploring the outer solar system
Select the correct answer using thecode given below:
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
2530: A good source of Vitamin A is:
(a) Carrot
(b) Potato
(c) Rice
(d) Tomato