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341. The soft smooth feel of the skin with after- shave lotion is due
A. alcohol
B. ethylene glycol
C. diethylphthalate
D. None of these
Explanation:
342. Fertility of soil can be improved by
A. adding dead earthworms
B. removing dead earthworms
C. adding living earthworms
D. removing living earthworms and adding dead earthworms
Explanation:
343. Which of the following natural directions of energy transformation are correct ? 1. Heat energy to mechanical energy 2. Mechanical energy to heat energy 3. Heat energy to electrical energy 4. Electrical energy to heat energy
A. a and 2
B. 1 and 3
C. 1 and 4
D. 2 and 4
Explanation:
344. The process by which kidney stones are shatered with shock waves is called
A. Lithotripsy
B. Laparoscopy
C. Endo-sapsular implant
D. Dementia
Explanation:
345. Liquid is characterised by
A. fixed shape and volume
B. no fixed shape or volume
C. high compressibility
D. fixed volume and low compressibility
Explanation:
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