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प्रश्न
Explain the difference between of the following pair of terms :
cerebrum and cerebellum
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उत्तर
| Cerebrum | Cerebellum |
| The cerebrum is a part of the forebrain. | The cerebellum is a part of the hindbrain. |
| It is the site of our faculties such as learning, reasoning, intelligence, personality and memory. | It helps in maintaining posture and balance of the body. It also enables us to make precise and accurate movements. |
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संबंधित प्रश्न
How are involuntary actions and reflex actions different from each other?
Which part of the eye contains cells which are sensitive to light?
What is spinal cord? What is its main function?
Give the various functions of brain.
A cell (or group of cells) in a sense organ which is sensitive to a particular type of stimulus is called :
(a) interceptor
(b) effector
(c) receptor
(d) acceptor
Which of the following are cerebral reflexes?
(i) a person pulls away his hand on touching a hot object
(ii) a person spits out immediately when a fly enters his mouth while talking
(iii) A person walking bare foot lifts his foot at once on stepping on to a nail
(iv) A person's pupil contracts at once in the presence of bright light
(a) (i) and (ii) (b) (ii) and (iii) (c) (iii) and (iv) (d) (ii) and (iv)
The olfactory receptors in humans are located in :
(a) eyes
(b) tongue
(c) ears
(d) nose
The contraction of pupil of the eye in the presence of bright light is an example of :
(a) Voluntary reflex
(b) Spinal reflex
(c) Cerebral reflex
(d) Adrenal reflex
State whether the following is simple reflex, conditioned reflex or neither of the two.
Contraction of eye pupil
List in tabular form two differences between reflex action and walking.
Give one example of a conditioned reflex in your own life.
Explain the following term :
Conditioned reflex
State whether the following is
Sneezing
State whether the following is
Constriction of pupil
What type of reflex is the following?
Sweating in summer
What type of reflex is the following?
Formation of goose-pimples in cold weather.
In reflex action, the reflex arc is formed by ______
What kind of reflex is cycling?
Why have reflex arcs evolved in animals?
Categorise the following under stimulus and response.
Pain in the eye if something falls into it.
