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Which of the following is an example of ...

Which of the following is an example of negative feedback loop in humans

A

Secretion of tears after falling of stand particles in to the eye.

B

Salivation of mouth at the sight of delicious food

C

Secretion of sweat glands and and constriction of skin blood vessels when it is too hot.

D

Constriction of skin blood vessels and contraction of skeletal muscles when it is too cold

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The correct Answer is:
D
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TRUEMAN BIOLOGY-NEURAL CONTROL AND COORDINATION-MCQ
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  2. During the transmission of nerve impulse through a nerve fibre, the po...

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  3. Which of the following is an example of negative feedback loop in huma...

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  4. Feeling of tremors of an earthquake, a scared resident of seventh floo...

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  5. Given below is a diagrammatic cross section of a single loop of human ...

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  6. The nerve centres which control the body temperature and the urge for ...

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  7. When a neuron is in resting state i.e. not conducting any impulse, the...

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  8. The purplish red pigment rhodopsin contained in the rods type of photo...

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  9. A person entering an empty room suddenly finds a snake right in front ...

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  10. Which part of the human ear plays no role in hearing as such but is ot...

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  11. The human hind brain comparises three parts, one of which is

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  12. Select the answer with correct matching of the structure, its location...

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  13. A nerve impulse is generated when the nerve cell undergoes

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  14. Cerebrospinal fluid is secreted by

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  15. The capacity to differentiate colours lies in

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  16. In ear, the membranous labyrinth is filled with fluid called

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  17. The region of the vertebrate eye, where the optics nerve passes out of...

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  18. The specific receptor responsible for the balance of the body and post...

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  19. Smallest bone in human system is

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  20. The charge on the oUter side of the neuron is

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