मराठी

One of the following gives the correct sequence of the components in a reflex arc. This is: - Science

Advertisements
Advertisements

प्रश्न

One of the following gives the correct sequence of the components in a reflex arc. This is:

पर्याय

  • Receptors → Muscle → Sensory neuron → Motor neuron → Spinal cord

  • Receptors → Motor neuron → Spinal cord → Sensory neuron → Muscle

  • Receptors → Spinal cord → Sensory neuron → Motor neuron → Muscle

  • Receptors → Sensory neuron → Spinal cord → Motor neuron → Muscle

MCQ
Advertisements

उत्तर

Receptors → Sensory neuron → Spinal cord → Motor neuron → Muscle

Explanation:

The pathway taken by a nerve impulse in a reflex action is called reflex arc.

The correct sequence of the components in a reflex arc is given below:

Receptors → Sensory neuron → Spinal cord → Motor neuron → Muscle.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Control and Coordination - Exercise 2 [पृष्ठ ११९]

APPEARS IN

लखमीर सिंह Biology (Science) [English] Class 10
पाठ 2 Control and Coordination
Exercise 2 | Q 90 | पृष्ठ ११९

व्हिडिओ ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्‍न

If we happen to touch a hot object unknowingly, we immediately pull back our hand. What is this type of action known as?


Name two parts of the body which contain receptors of chemical stimuli.


Fill in the following blank with suitable word :

A neuron which carries an impulse to the brain is called a ........... neuron.


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.


Cerbellum, medulla and pons are the parts of :
(a) mid-brain
(b) hind-brain
(c) forebrain
(d) spinal cord


The part of brain which controls the involuntary action such as heart beat, breathing, blood pressure, etc. is :
(a) pons
(b) medulla
(c) cerebrum
(d) cerebellum


The part of brain which takes part in regulating respiration in the human body is :
(a) medulla
(b) pons
(c) cerebellum
(d) cerebrum


P is a cell (or group of cells) in the human body which is sensitive to a particular type of stimulus and conveys the messages to CNS through nerves Q. On the other hand, R is a part of the human body which can respond to a stimulus according to the instructions sent from the CNS through nerves S.
(a) What is P? Name five organs which contain cells (or group of cells) like P.
(b) Name the nerves Q.
(c) What is R? Give two examples of R.
(d) Name nerves S.
(e) How do messages travel through the nerves Q and S?


State whether the following is simple reflex, conditioned reflex or neither of the two.

Contraction of eye pupil


What is the difference between reflex action and voluntary action?


Give two examples of reflex actions in our daily life.

Give Technical Term:
The scientist, who conducted experiment on a dog to show conditioned reflex


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?


Which one of the following is not a simple reflex?


The given diagrammatic representation of reflex action shows knee jerk reflex.

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


Which sensory organ is involved in vertigo (sensation of oneself or objects spinning around)?


Categorise the following under stimulus and response.

Seeing a green light turning into red at a road crossing before applying the brakes.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×