471: 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
472: In which organ of the human body are the lymphocyte cells formed?
(a) Liver
(b) Long bone
(c) Pancreas
(d) Spleen
473: The blood glucose level is commonly expressed as
(a) mm of Hg
(b) milligram per decilitre
(c) parts per million
(d) grams per litre
474: Match List-I (Books) with List-II (Authors) and select the correct answer using the codes given below the Lists:
List-I List-II
(Books) (Authors)
A. My Presidential Years 1. S. Radhakrishnan
B. The Hindu View of Life 2. V. V. Giri
C. Voice of Conscience 3. N. Sanjiva Reddy
D. Without Fear or Favour 4. R. Venkataraman
Codes:
A B C D
(a) 2 1 4 3
(b) 4 3 2 1
(c) 2 3 4 1
(d) 4 1 2 3
475: The offending substance in the liquor tragedies leading to blindness, etc. is
(a) ethyl alcohol
(b) amyl alcohol
(c) benzyl alcohol
(d) methyl alcohol