Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
Following are the two examples of reflex actions in our daily life :
(i) Removing hand suddenly when pricked by a thorn.
(ii) Blinking of eyelids on exposure to light.
APPEARS IN
संबंधित प्रश्न
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
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:
Sneezing: …………….
State whether the following is
Sneezing
State whether the following is simple reflex, conditioned reflex or neither of the two.
Knitting without looking
Give Reason:
The hand automatically shows the direction to turn a cycle without thinking.
Reflex arc allows the rapid response of the body to a stimulus.
If after cutting through dorsal root of a spinal nerve of a mammal, the associated receptor in skin was stimulated the animal would ______.
Why have reflex arcs evolved in animals?
