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Question

Choose the correct statements from the following:
i. Frogs contain highly evolved systems for control and coordination.
ii. Frogs contain both endocrine glands and nervous system.
iii. There are 8 pairs of cranial nerves present in frogs.

A
Only i is correct
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B
Both i & ii are correct
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C
Only ii is correct
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D
Both ii & iii are correct
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Solution

The correct option is B Both i & ii are correct
Frogs possess highly evolved sytems for control and coordination. They have a nervous system & endocrine system. Endocrine system consists of glands that secrete chemicals called hormones to influence various bodily functions. Nervous system consists of central nervous system, peripheral nervous sytem & autonomic nervous system. Brain is a part of central nervous system from which 10 pairs of cranial nerves arises and are involved in control & coordination.

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