Advertisements
Advertisements
प्रश्न
All the voluntary actions of our body are controlled by :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla
Advertisements
उत्तर
(a) the cerebrum
All the voluntary actions of our body are controlled by the cerebrum. The cerebrum is the largest and the most prominent part of the brain.
APPEARS IN
संबंधित प्रश्न
Which part of the brain maintains posture and equilibrium of the body?
A person walks across a room in barefeet and puts his foot on a drawing pin lying on the floor. He lets out a cry. Explain what happens in his nervous system in bringing about this response.
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?
Which of the following statements are true?
(i) sudden action in response to something in the environment is called reflex action
(ii) sensory neurons carry electrical signals from spinal cord to muscles in a reflex action
(iii) motor neurons carry signals from receptors to spinal cord in a reflex action
(iv) the pathway of transmitting signals from a receptor to a muscle is a reflex action
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
With the help of suitable example, describe reflex action.
Differentiate between natural reflex and conditioned reflex. Give examples to illustrate your answer.
Define voluntary and reflex actions. Give examples of each.
State whether the following is simple reflex, conditioned reflex or neither of the two:
Sneezing: …………….
What is the difference between reflex action and voluntary action?
Reflex action is controlled by the
State whether the following is simple reflex, conditioned reflex or neither of the two.
Lifting up a book
State whether the following is
Blinking
Complete the following sentence with appropriate Word
Which of the following is not a natural reflex action?
Give an example for conditioned reflexes.
What will you do if someone pricks your hand with a needle? Elucidate the pathway of response with a neat labelled diagram.
The reflex arc which is made up of one sensory and one motor neuron is ______
Which of the following is not an involuntary action?
Categorise the following under stimulus and response.
Withdrawal of hand on touching a hot plate
Given alongside is a partial diagrammatic representation of a certain phenomenon pertaining to the nervous system.
 |
- Name the parts numbered 1-7.
- Name the phenomenon that the diagram depicts and define it.
- Give the technical term for the point of contact between two nerve cells.
- Name the parts not shown in the diagram that should be included to complete the pathway of the phenomenon.
