3666: Among the four pairs given below which one consists of a correct combination of dignitaries who became Vice-Presidents after having held diplomatic posts like Ambassadors and High Commissioners?

(a) Dr. S. Radhakrishnan and G.S. Pathak

(b) Dr. S. Radhakrishnan and V.V. Giri

(c) Dr. Zakir Hussain and K.R. Narayanan

(d) B.D. Jatti and K.R. Narayanan
3667: 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
3668: Who declared, "Swaraj had stunk in the nostrils and that without adequate discipline and restraint on the part of the people the movement had proved to be a Himalayan blunder".

(a) Bal Gangadhar Tilak

(b) Sardar Vallabhbhai Patel

(c) Mahatma Gandhi

(d) Subhash Chandra Bose
3669: The year of 'Great Divide', in Indian demography, is:

(a) 1905

(b) 1921

(c) 1947

(d) 1965
3670: Which one of the following statements is correct?

(a) Prions are the smallest free-living cells
(b) The cell wall of Mycoplasmas is made up of amino sugars
(c) Viroids consist of a single-stranded RNA molecule
(d) Rickettsias lack cell wall