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Which of the following is not an involun...

Which of the following is not an involuntary action?

A

Vomiting

B

Salivation

C

Heart beat

D

Chewing

Text Solution

Verified by Experts

The correct Answer is:
D
Involuntary actions are those actions that are not under our direct control such as heart beat, breathing, peristatic movenents, etc. These are controlled by medulla.
Chewing is under voluntary control and controlled by lobes present in cerebral cortex.
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NCERT EXEMPLAR-CONTROL AND COORDINATION-Control And Coordination
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  2. Involuntary actions in the the body are controlled by

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  3. Which of the following is not an involuntary action?

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  4. When a person is suffering from severe cold, he or she cannot

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  5. What is the correct direction of flow of electrical impulses?

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  7. Dwarfism results due to

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  8. Dramatic changes of body features associated with puberty are mainly b...

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  9. A doctor advised a person to take an injection of insulin because

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  10. The hormone which increase the fertility in males is called

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  11. Which of the following endocrine glands is unpaired?

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  12. Junction between two neurons is called

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  13. In humans, the life processes are controlled and regulated by

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  14. Label the parts (a), (b), (c) and (d) and show the direction of flow o...

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  15. Name the plant hormones responsible for the following (a) elongation...

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  16. Label the endocrine gland in figure

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  17. In figure (a), (b) and (c), which appears more accurate and why?

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  18. Label the part of a neuron in Figure below

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  19. Match the terms of column I with those of column II.

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  20. What is a tropic movement? Explain with an example.

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