Optimum pH for enzyme Trypsin isA. 5.9B. 4.6C. 8D. 7
Optimum pH for enzyme Trypsin isA. 5.9B. 4.6C. 8D. 7

Which of the following is a micronutrient?
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Which one of the following is non-biodegradable?
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With the help of labelled diagrams explain the human male reproductive system.
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Which of the following actions are reflex actions?
A. II and V only
B. III, IV and V only
C. IV and V only
D. I, II, III, IV and V
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Which day is observed as the World environment day?
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