Advertisements
Advertisements
Question
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?
Advertisements
Solution
The smell of food is a stimulus.
APPEARS IN
RELATED QUESTIONS
How do we detect the smell of an agarbatti (incense stick)?
Name the most important part of the human brain.
What is meant by receptors and effectors? Give two examples of each.
Explain the difference between of the following pair of terms :
receptor and effector
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the gland which is stimulated to secrete saliva.
What is a reflex action? Explain with the help of an example.
All the voluntary actions of our body are controlled by :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla
One of the following gives the correct sequence of the components in a reflex arc. This is:
The gustatory receptors of our body are in one of the following organs. This organ is :
a) ear
(b) nose
(c) tongue
(d) skin
Write down the following activities in the correct order for a simple reflex arc:
(a) impulse travels in the motor fibre
(b) impulse travels in the sensory fibre
(c) effector organ stimulated
(d) impulse crosses the synapse
With the help of suitable example, describe reflex action.
State whether the following is simple reflex, conditioned reflex or neither of the two:
Knitting without looking: …………………..
List in tabular form three distinguishing features between cerebrum and cerebellum.
Complete the following sentence with appropriate Word
Which of the following is not a natural reflex action?
Give an example for conditioned reflexes.
Reflex arc allows the rapid response of the body to a stimulus.
Which of the following is not an involuntary action?
The given diagrammatic representation of reflex action shows knee jerk reflex.

Identify the parts labeled as A to E and select the correct option.
