26: A small wooden block is floating in a tub of water. The water is gradually heated. The volume of the wooden block visible above the water level:
(a) Increases
(b) Decreases
(c) Fluctuates
(d) Remains the same
27: Which one of the following statements regarding SAARC countries is correct?
(a) No SAARC country other than India has a common border with another member country, Sri Lanka and Maldives being islands
(b) All the countries with which India has border are members of SAARC, Sri Lanka and Maldives being islands
(c) Except Sri Lanka and Maldives, all the SAARC countries have common border with China
(d) Except Sri Lanka and Maldives no other SAARC country has islands as part of its territory
28: Consider the following statemtns:
1. Total land area of Earth is approximately 1475 lakh square kilometers.
2. Ratio of land area to water area of Earth is approximately 1 : 4.
3. Maximum percentage of Earth's water is in the Pacific Ocean.
Which of the following statements given above is/are correct?
(a) 1 only
(b) 3 only
(c) 2 and 3
(d) 1 and 3
29: Regarding "carbon credits", which one of the following statements is not correct?
(a) The goal of the carbon credit system is to limit the increase of carbon dioxide emission
(b) Carbon credits are awarded to countries or groups that have reduced greenhouse gases below their emission quota
(c) Carbon credits are traded at a price fixed from time to time by the United Nations Environment Programme
(d) The carbon credit system was ratified in conjunction with the Kyoto Protocol
30: Shirin Ebadi, who won the Nobel Peace Prize in 2003, is from:
(a) Iraq
(b) Nigeria
(c) Iran
(d) Libya