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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
Which of the following is not a natural reflex action?
A. Knee-jerk
B. Blinking of eyes due to strong light
C. Salivation at the sight of food
D. Sneezing when any irritant enters the nose
Name one gustatory receptor and one olfactory receptor present in human beings.
Name the most important part of the human brain.
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the smell of the food?
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 helps in maintaining posture and balance of the human body?
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
P is a cell (or group of cells) in the human body which is sensitive to a particular type of stimulus and conveys the messages to CNS through nerves Q. On the other hand, R is a part of the human body which can respond to a stimulus according to the instructions sent from the CNS through nerves S.
(a) What is P? Name five organs which contain cells (or group of cells) like P.
(b) Name the nerves Q.
(c) What is R? Give two examples of R.
(d) Name nerves S.
(e) How do messages travel through the nerves Q and S?
Define voluntary and reflex actions. Give examples of each.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Stimulus : Receptor :: Impulse : ______.
State whether the following is simple reflex, conditioned reflex or neither of the two:
Blushing: ……………….
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?
Explain the following term :
Conditioned reflex
Complete the following sentence with appropriate Word
Which of the following is not a natural reflex action?
What will you do if someone pricks your hand with a needle? Elucidate the pathway of response with a neat labelled diagram.
Reflex actions are mediated through ____________.
Categorise the following under stimulus and response.
Pain in the eye if something falls into it.
State whether the following is simple reflex, conditioned reflex or neither of the two.
Sneezing
