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प्रश्न
What is a reflex action?
What is meant by Reflex action?
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उत्तर
Reflex action is a sudden, spontaneous, automatic, involuntary response to a stimulus.
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संबंधित प्रश्न
Which part of the brain maintains posture and equilibrium of the body?
Name the function of cerebrum.
What is the difference between a voluntary and an involuntary action? Which kind of action is digestion? Explain your choice.
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the gland which is stimulated to secrete saliva.
Which of the following cannot be considered a receptor?
(a) ear
(b) nose
(c) muscle
(d) eye
Cerbellum, medulla and pons are the parts of :
(a) mid-brain
(b) hind-brain
(c) forebrain
(d) spinal cord
The part of brain which takes part in regulating respiration in the human body is :
(a) medulla
(b) pons
(c) cerebellum
(d) cerebrum
The olfactory receptors in humans are located in :
(a) eyes
(b) tongue
(c) ears
(d) nose
Multiple choice question. Tick (✓) the correct choice:
Reflex actions occur under the control of
- brain
- medulla oblongata
- spinal cord
- cerebrum
State whether the following is simple reflex, conditioned reflex or neither of the two:
Knitting without looking: …………………..
What is the difference between reflex action and voluntary action?
Reflex action is controlled by the
What type of reflex is the following?
Sweating in summer
What type of reflex is the following?
Blinking of the eye
Give Reason:
The hand automatically shows the direction to turn a cycle without thinking.
Complete the following sentence with appropriate Word
The control of reflex action is through:
Which of the following is not a natural reflex action?
Categorise the following under stimulus and response.
Seeing a green light turning into red at a road crossing before applying the brakes.
