Which one is not a reflex action ?

Options

A. Clossing of eye lids against frickling
B. Release of saliva on seeing sweets
C. Perspiration due to heat
D. Obeying the order to run

Answer

D

Explanation

Reflex action are of 2 types :
1. Simple or unconditioned reflex
These are inborn reflexes that are unlearned :
1. Quick recovery of balance while falling.
2. Knee jerk reflex.
3. A frog with crushed brain is pinched on the leg. The leg is drawn away. It is simple reflex.
4. Clossing of eye when flashed with strong light.
5. Opening of mouth on hearing loud sound.
6. Watering of mouth on seeing favourite food.
7. Withdrawal of limbs when touched by hot objects.
8. Coughing sneezing.
9. Shivering in cold.
2. Conditioned reflex or acquired reflex
These are not inborn, they are acquired by experience, training and learning.
Ivan Pavlov first demonstrate conditioned reflex so called father of conditioned reflexes. ltBrgt Pavlov conduced 'Bell experiment on experiment on hungry dog'.
Learning of dancing, cycling, singing, swimming and driving are conditioned reflexes.