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1686. Which part of the donors eye is used for grafting in order to cure certain diseases of blindness ?
A. Retina
B. Cornea
C. Lens
D. Eye-ball
Explanation:
1687. The heart of human embryo starts beating
A. in the first week of its development
B. in the third week of its development
C. in the fourth week of its development
D. in the sixth week of its development
Explanation:
1688. The normal temperature of human body on the Kelvin scale is
A. 280
B. 290
C. 300
D. 310
Explanation:
1689. In which part are the carbohydrates stored as glycogen in human body ?
A. Stomach
B. Pancreas
C. Liver
D. Duodenum
Explanation:
1690. In metabolism, enzymes act as
A. promoter
B. catalyst
C. oxidant
D. reductant
Explanation:
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