106: Consider the following statements :
1. Kyoto Protocol came into force in the year 2005
2. Kyoto Protocol deals primarily with the depletion of the Ozone layer.
3. Methane as a greenhouse gas is more harmful than carbon dioxide
Which of the statements given above is/are correct?
(a) 1 Only
(b) 1 and 2
(c) 1 and 3
(d) 3 Only
Explanation:
Kyoto protocol came into force on February 16, 2005 with an obligation on 39 industrialised countries to reduce emissions by an average of 5.2 percent relative to levels prevailing in 1990.
Methane accounts for about 20% of contribution to global warming by greehouse gases though it is less in concentration (1,720 ppbv) against CO,2's 60% contribution with 358 ppmv concentration in the atmosphere. In consideration of the 20 year total sum of its intensity of green house effect (global warming index), based on the fact that its atmospheric residence time is 56 times longer than that of CO,2.
107: Assertion (A): The percentage of net sown area in the total area of Andhra Pradesh is less as compared to that of West Bengal.
Reason (R) : The soil of most of Andhra Pradesh is laterite
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
108: Which one of the following pairs is not correctly marched?
(a) Seikan Rail Tunnel : China
(b) Appalachian Trail : USA
(c) Petronas Towers : Malaysia
(d) Rogun Dam : Tajikistan
109: Which one of the following sets of conditions is necessary for a good cultivation of wheat ?
(a) Moderate temperature and moderate rainfall
(b) High temperature and heavy rainfall
(c) High temperature and moderate rainfall
(d) Low temperature and low rainfall
Explanation:
Wheat is a temperate crop. So it requires moderate ranges of temperature (between 15 degree to 20 degree C) and rainfall (between 25-75 cm). That is why, if grown in tropical region, it is grown as Rabi crop.
110: Arakan Yoma is the extension of the Himalayas located in
(a) Baluchistan
(b) Myanmar
(c) Nepal
(d) Kashmir