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General Science - Questions and Answers

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2226. Which acid is produced when milk gets sour ?
A. Tartaric acid
B. Lactic acid
C. Butyric acid
D. Acetic acid
Explanation:
2227. Which of the following statements is true with respect to Leukaemia ?
A. Number of RBCs increases in blood.
B. Number of WBCs increases in blood.
C. Number of both RBCs and WBCs decreases in blood.
D. Number of WBCs decteases in blood
Explanation:
2228. Permanent hardness of water can be removed by adding
A. potassium permanganate
B. chlorine
C. bleaching powder
D. washing soda
Explanation:
2229. Pulse crops can fix atmospheric nitrogen because of
A. root nodules
B. deep roots
C. aerial roots
D. root hairs
Explanation:
2230. Which of the following are correct ? 1. Nicotine occurs in tobacco plant. 2. Morphine occurs in green buds of poppy plant. 3. Cocaine is used as a local anaesthetic.
A. 1 and 2
B. 2 and 3
C. 1 and 3
D. 1, 2 and 3
Explanation:
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