1. Which of the following are the reasons/factors for exposure to benzene pollution?
1. Automobile exhaust
2. Tobacco smoke
3. Woodburning
4. Using varnished wooden furniture
5. Using products made of polyurethane
Select the correct answer using the code given below:
a) 1, 2, and 3 only
b) 2 and 4 only
c) 1, 3, and 4 only
d) 1, 2, 3, 4 and 5
Answer. D)
2. What are the advantages of fertigation in agriculture?
1. Controlling the alkalinity of irrigation water is possible.
2. Efficient application of Rock Phosphate and all other phosphatic fertilizers is possible.
3. Increased availability of nutrients to plants is possible.
4. Reduction in the leaching of chemical nutrients is possible.
Select the correct answer using the code given below:
a) 1, 2, and 3 only
b) 1, 2, and 4 only
c) 1,3 and 4 only
d) 2, 3, and 4 only
Answer. C)
3. Consider the following minerals:
1. Bentonite
2. Chromite
3. Kyanite
4. Sillimanite
In India, which of the above is/are officially designated as major minerals?
a) 1 and 2 only
b) 4 only
c) 1 and 3 only
d) 2, 3, and 4 only
Answer. D)
4. With reference to Ocean Mean Temperature (OMT), which of the following statements is/are correct?
1. OMT is measured up to a depth of 26°C isotherm which is 129 meters in the south-western Indian Ocean during January–March.
2. OMT collected during January–March can be used in assessing whether the amount of rainfall in monsoon will be less or more than a certain long-term mean.
Select the correct using the code given below:
a) 1 only
b) 2 only
c) Both 1 and 2
d) Neither 1 nor 2
Answer. B)
5. With reference to India's Desert National Park, which of the following statements is correct?
1. It is spread over two districts.
2. There is no human habitation inside the Park.
3. It is one of the natural habitats of the Great Indian Bustard.
Select the correct answer using the code given below:
a) 1 and 2 only
b) 2 and 3 only
c) 1 and 3 only
d) 1, 2 and 3
Answer. C)
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