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What is reflex arc?...

What is reflex arc?

A

`"Receptors"rarr"Muscles"rarr"Sensory neuron"rarr"Motor neuron"rarr"Spinal cord"`

B

`"Receptors"rarr"Motor neuron"rarr"Spinal cord"rarr"Sensory neuron"rarr"Muscie"`

C

`"Receptors"rarr"Spinal cord"rarr"Sensory neuron"rarr"Motor neutron"rarr"Muscle"`

D

`"Receptors"rarr"Sensory neuron"rarr"Spinal cord"rarr"Motor neuron"rarr"Muscle"`

Text Solution

Verified by Experts

The correct Answer is:
D
`"Receptors"rarr"Sensory neuron"rarr"Spinal cord"rarr"Motor neuron"rarr"Muscle"`
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ZEN PUBLICATION-CONTROL AND COORDINATION-ZEN ADDITIONAL QUESTIONS SECTION (MULTIPLE - CHOICE QUESTIONS)
  1. In a synapse, chemical signal is transmitted from

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  2. In a neuron, conversion of- electrical signal to a chemical signal occ...

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  3. What is reflex arc?

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  4. Posture and balance of the body are controlled by

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  5. Spinal cord orginates from

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  6. State the main functions of abscisic acid in plants.

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  7. What is the shape of a wavefront due to a spherical or point source?

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  8. The growth of tendrils in pea plants is due to

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  9. The growth of pollen tubes towards ovules is the example of :

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  10. The substance that triggers the fall of mature leaves and fruits from ...

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  11. Involuntary actions. in the body are controlled by

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

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  13. When a person is suffering from severe cold, he or she

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

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

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  16. The hormone which increases the fertility in males is called

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  17. The gap between two neurons is called a

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

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  19. Chemical messengers which control and coordination in plants and anima...

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  20. The substance that accelerates the growth in the stem is

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