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

----------------------------------

(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