Advertisements
Advertisements
प्रश्न
Give examples of unconditional reflexes
Advertisements
उत्तर
Examples of uncondition reflexes are blinking of eyes with strong light, withdrawl of hand when pricked, breast feeding, swallowing, knee jerk, sneezing, coughing etc.
APPEARS IN
संबंधित प्रश्न
Give the functions of medulla.
One of the following controls the peristaltic movements of alimentary canal. This one is :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla
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?
Put a tick mark (✓) against the correct alternative in the following statement:
The smell of good food causes watering of your mouth. It is a
Differentiate between the following pair of terms:
Stimulus and impulse
Multiple choice question. Tick (✓) the correct choice:
Reflex actions occur under the control of
- brain
- medulla oblongata
- spinal cord
- cerebrum
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Receptor : Sensory nerve :: Motor nerve : ______.
Reflex arc allows the rapid response of the body to a stimulus.
Which of the following is not involved in Knee-jerk reflex?
Categorise the following under stimulus and response.
Withdrawal of hand on touching a hot plate
