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?
Name one gustatory receptor and one olfactory receptor present in human beings.
What is meant by receptors and effectors? Give two examples of each.
Name the function of cerebrum.
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.
Give the various functions of brain.
Cerbellum, medulla and pons are the parts of :
(a) mid-brain
(b) hind-brain
(c) forebrain
(d) spinal cord
Your are driving your bicycle at a fast speed. Suddenly, a small boy comes in front of your cycle and, without wasting any time in thinking, you immediately apply the brakes and accident is avoided. What name is given to such an action?
Define voluntary and reflex actions. Give examples of each.
State whether the following is
Cleaning
State whether the following is
Salivation when food is put in the mouth.
What type of reflex is the following?
Sweating in summer
Give Technical Term:
Response to a stimulus without the intervention of the will of an animal.
Mention, if the following statement is True or False
Reflex action involves brain
Complete the following sentence with appropriate Word
Which of the following is not a natural reflex action?
Give an example for conditioned reflexes.
Differentiate between Voluntary and involuntary actions.
Why have reflex arcs evolved in animals?
Categorise the following under stimulus and response.
Seeing a green light turning into red at a road crossing before applying the brakes.
The diagram given below shows the internal structure of a spinal cord depicting a phenomenon. Study the diagram and answer the following questions.
![]() |
- Name the phenomenon shown in the figure and define the same.
- Identify the parts labelled as 1 and 2. Write one functional difference between these two.
- Name the bony protective covering and the membranous protective covering of the spinal cord.
- Label the guidelines 3 and 4.
- How is the labelled part 3 different from part 4 with respect to its composition (part of neuron)?
- Give the technical term for the point of contact between the two nerve cells.
- Name the fluid filled inside the central canal of spinal cord.
- Name the term used for a small gap between two neurons.
- Give one example of a neurotransmitter.
- Draw a neat diagram of a nerve cell and label the parts: Perikaryon, Node of Ranvier, Myelin sheath and Axon terminals.

