341: Given :
Humidity : H
High : A
Wind Velocity : W
Low : B
Temperature : T
The desert cooler is an appropriate cooling device for regions where
(a) HAWATB
(b) HBWBTA
(c) HAWBTB
(d) HAWATA
342: The caves and rock-cut temples at Ellora are
(a) Buddhist
(b) Buddhist and Jain
(c) Hindu and Jain
(d) Hindu, Buddhist and Jain
343: What can be the impact of excessive / inappropriate use of nitrogenous fertilizers in agriculture?
1. Proliferation of nitrogen-fixing microorganisms in soil can occur.
2. Increase in the acidity of soil can take place.
3. Leaching of nitrate to the ground-water can occur.
Select the correct answer using the code given below.
(a) 1 and 3 only
(b) 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
344: Consider the following statements:
1. Clean Development Mechanism (CDM) in respect of carbon credits in one of the Kyoto Protocol Mechanisms.
2. Under the CDM, the projects handled pertain only to the Annex-I countries.
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
345: Mon 863 is a variety of maize. It was in the news for the following reason
(a) It is a genetically modified variety which is pest resistant
(b) It is a genetically modified dwarf variety which is resistant to drought
(c) It is a genetically modified variety with ten times higher protein content than regular maize crop
(d) It is a genetically modified variety used exclusively for bio-fuel production