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Which one of the following is an example...

Which one of the following is an example of negative feed back loop in humans ?

A

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

B

Constriction of skin blood vessels and contrac-tion of skeletal muscles when it is too cold

C

Secretion of tears after falling of stand particles into the eye

D

Salivation of mouth at the sight of delicious food

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The correct Answer is:
B
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AAKASH SERIES-NEURAL CONTROL AND COORDINATION-EXERCISE-III( PREVIOUS AIPMT / NEET QUESTIONS)
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  2. Which part of the human ear plays no role in hearing as such but is ot...

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

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

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

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  6. Which part of human brain is concerned with the regulation of body t...

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  7. Alzhimer disease in humans is associated with the deficiency of :

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  8. Cornea transplant in human is almost never rejected. This is because:

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  9. During the propagation of a nerve impulse. the action potential result...

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  10. Which one is correct differece between rod and cone cells.

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  11. Given below is a diagrammatic cross - section of single loop of the hu...

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  12. Which one of the following pairs of structrues distinguishes a nerv...

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  13. Which one of the following is an example of negative feed back loop i...

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  14. Bowman's glands are located in the

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  15. During the transmission of nerve impulse through a nerve fibres, the p...

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  16. Bowman's glands are found in

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  17. Which one of the following does not act as a neurotransmitter?

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  18. One of the examples of the action of the autonomous nervous system is

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  19. In a man, abducens nerve is injured. Which one of the following functi...

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  20. Parkinson's disease (characterized by tremors and progressive rigidit...

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