2441: Which of the following is the correct order of increasing size of the grains of soil particles?
(A) Clay
(B) Silt
(C) Sand
(D) Gravel
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(a) A, B, C, D
(b) D, C, A, B
(c) B, C, A, D
(d) C, D, B, A
2442: Consider the following:
1. Oxides of Hydrogen
2. Oxides of Nitrogen
3. Oxides of Sulphur
Which of the above causes/cause acid rain ?
(a) 1 and 2 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
2443: The reorganisation of Indian States on a linguistic basis took place in:
(a) 1947
(b) 1950
(c) 1956
(d) 1962
2444: Consider the following statements :
1. The Rajya Sabha alone has the power to declare that it would be in national interest for the Parliament to legislate with respect to a matter in the State List.
2. Resolution approving the Proclamation of Emergency are passed only by the Lok Sabha.
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
2445: Consider the following statements :
1. Hepatitis B is several times more infectious than HIV/AIDS
2. Hepatitis B can cause liver cancer
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