Ans: (d)
233. A non-material kind of pollution is
(a) land pollution
(b) air pollution
(c) noise pollution
(d) water pollution
Ans: (c)
234. The vitamin that is found in citrus fruits such as lemon and orange is
(a) vitamin C
(b) vitamin B2
(c) vitamin A
(d) vitamin E
Ans: (a)
235. Which of the following is not an antibiotic?
(a) streptomycin
(b) terramycin
(c) aureomycin
(d) codein
Ans: (d)
236. The hormone which absorption is increases glucose oxidation and glucose
(a) adrenalin
(b) thyroxin
(c) insulin
(d) epinephrine
Ans: (c)
237. The depletion of the ozone layer in the upper atmosphere is due to -extensive use of
(a) dichloro-phenoxy-acetic acid
(b) superphosphate of lime
(c) chlorofluorocarbons (CFC)
(d) dichloro-diphenyl-trichloro-ethane
Ans: (c)
238. Which of the following elements is not required for the healthy growth of plants?
(a) Nitrogen
(b) Phosphorus
(c) Potassium
(d) Mercury
Ans: (d)
239. Match the following:
List-I List-2
A. Analgin 1. Vitamin B2
B. Riboflavin 2. Vitamin C
C. Penicillin 3. Analgesic
D. Ascorbic acid 4. Antibiotic
A B C D
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