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प्रश्न
Which of the following statements are true?
- Sudden action in response to something in the environment is called reflex action
- Sensory neurons carry signals from spinal cord to muscles
- Motor neurons carry signals from receptors to spinal cord
- The path through which signals are transmitted from a receptor to a muscle or a gland is called reflex arc
पर्याय
(i) and (ii)
(i) and (iii)
(i) and (iv)
(i) , (ii) and (iii)
उत्तर
(i) and (iv)
Explanation -
Reflex action is involuntary and immediate movement in response to stimulus and the path followed by a reflex action is called reflex arc.
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संबंधित प्रश्न
A part of the body which responds to the instructions sent from the nervous system is called ____________.
Which is the correct sequence of the components of a reflex arc?
Label the parts (a), (b), (c) and (d) and show the direction of flow of electrical signals in the given figure.
What are reflex actions? Give two examples. Explain a reflex arc.
Which one is NOT a reflex action?
Route of reflex arc is ______.
In the given diagram:
- Name the parts labelled A, B, and C.
- Write the functions of A and C.
- Reflex arcs have evolved in animals? Why?
Sensory nerve of a reflex arc carries information from the receptor cells to the ______.
Arrange and rewrite the terms in group in the correct order to be in a logical sequence, beginning with the term that is underlined:
Effector, Receptor, Motor neuron, Sensory neuron.
Name the type of nerve which has the fibres of both sensory and motor neurons.
