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General Science - Questions and Answers

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1776. The phylum chordata is characterised by the presence of
A. spinal cord
B. notochord
C. nerve chord
D. None of these
Explanation:
1777. The sound producing organ in birds is
A. trachea
B. bronchus
C. larynx
D. syrinx
Explanation:
1778. What is the main function of insulin in the human body ?
A. To maintain blood pressure
B. To help in digestion of food
C. To control the level of sugar in the body
D. To check the level ofiodine in the body
Explanation:
1779. Man cannot digest cellulose whereas cows can do so because
A. their gut contains bacteria capable of digesting cellulose.
B. they have a many - chambered stomach.
C. they have efficient grinding molars.
D. they produce an enzyme cellulase which can digest cellulose.
Explanation:
1780. Food is mainly digested in
A. liver
B. large intestine
C. small intestine
D. mouth
Explanation:
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