141: In which one of the following oceans is Diamantina Trench situated ?

(a) Indian Ocean
(b) Atlantic Ocean
(c) Arctic Ocean
(d) Pacific Ocean
Explanation:
Diamantina Trench is situated in the South east Indian Ocean basin. It is the deepest trench of the Indian Ocean (8,047 m).
142: Which one among the following covers the highest percentage of forest area in the world?

(a) Temperate Coniferous forests
(b) Temperate Deciduous forests
(c) Tropical Monsoon forests
(d) Tropical Rain forests
Explanation:
Temperate coniferous forests cover the highest percentage of forest area in the world.
143: The correct sequence of different layers of the atmosphere from the surface of the Earth upwards is

(a) Troposphere, Stratosphere, Ionosphere, Mesosphere
(b) Stratosphere, Troposphere, Ionosphere, Mesosphere
(c) Troposphere, Stratosphere, Mesosphere, Ionosphere
(d) Stratosphere, Troposphere, Mesosphere, Ionosphere
Explanation:
The correct sequence is Tropo - Strato - Meso - Iono spheres.
Troposphere extends upto 8-18 km, after that, Stratosphere upto 50 km, after that Mesosphere extends upto 80 km and beyond that, upto 400 km Ionosphere exists.
144: With reference to the International Union for Conservation of Nature and Natural Resources (IUCN) and the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), which of the following statements is/are correct?

1. IUCN is an organ of the United Nations and CITES is an international agreement between governments.
2. IUCN runs thousands of field projects around the world to better manage natural environments.
3. CITES is legally binding on the States that have joined it, but this Convention does not take the place of national laws.

Select the correct answer using the code given below.
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
Explanation:
IUCN is not an agency of United Nation, so statement 1 is wrong.

Statement 2 and 3 are correct.
145: Which one of the following Himalayan passes was reopened around in the middle of the year 2006 to facilitate trade between India and China ?

(a) Shipki La
(b) Jara La
(c) Chang La
(d) Nathu La