Advertisements
Advertisements
प्रश्न
Name the most important part of the human brain.
Advertisements
उत्तर
The cerebrum (forebrain) is the most important part of the human brain.
APPEARS IN
संबंधित प्रश्न
How do we detect the smell of an agarbatti (incense stick)?
How are involuntary actions and reflex actions different from each other?
State one function each of cerebellum and pons.
Fill in the following blanks with suitable words :
Our.............system allows us to react to our surroundings. Information from receptors passes along...........neurons to our brain. Our brain sends impulses along..........neurons to our muscles.
Explain the difference between of the following pair of terms :
cerebrum and cerebellum
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.
The part of brain which takes part in regulating respiration in the human body is :
(a) medulla
(b) pons
(c) cerebellum
(d) cerebrum
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
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Stimulus : Receptor :: Impulse : ______.
Complete the following statement by choosing the correct alternative from the choice given in bracker:
Reflex action is controlled by
(i) brain (ii) spinal cord
(iii) autonomic (iii) peripheral nervous system
Explain the mechanism of reflex action with the help of a suitable diagram.
Reflex action is controlled by the
State whether the following is
Cleaning
Mention, if the following statement is True or False
Reflex action involves brain
Complete the following sentence with appropriate Word
A reflex arc in man is best described as movement of stimuli from:
If after cutting through dorsal root of a spinal nerve of a mammal, the associated receptor in skin was stimulated the animal would ______.
Categorise the following under stimulus and response.
Seeing a green light turning into red at a road crossing before applying the brakes.
State whether the following is simple reflex, conditioned reflex or neither of the two.
Sneezing
