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प्रश्न
In reflex action, the reflex arc is formed by ______
विकल्प
brain, spinal cord, muscle
receptor, muscle, spinal cord
muscle, receptor, brain
receptor, spinal cord, muscle
उत्तर
In a reflex action, the reflex arc is formed by receptor, muscle, spinal cord.
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संबंधित प्रश्न
Which of the following is not a natural reflex action?
A. Knee-jerk
B. Blinking of eyes due to strong light
C. Salivation at the sight of food
D. Sneezing when any irritant enters the nose
Which part of the eye contains cells which are sensitive to light?
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.
Cerbellum, medulla and pons are the parts of :
(a) mid-brain
(b) hind-brain
(c) forebrain
(d) spinal cord
The olfactory receptors in humans are located in :
(a) eyes
(b) tongue
(c) ears
(d) nose
State whether the following is simple reflex, conditioned reflex or neither of the two.
Sudden application of brakes of the cycle on sighting an obstacle in front
State whether the following is
Cleaning
State whether the following is
Salivation when food is put in the mouth.
The reflex arc which is made up of one sensory and one motor neuron is ______
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.
