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Question
Reflex action is controlled by the
Options
brain
spinal cord
autonomic
peripheral nervous system
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Solution
spinal cord
RELATED QUESTIONS
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
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.
A cell (or group of cells) in a sense organ which is sensitive to a particular type of stimulus is called :
(a) interceptor
(b) effector
(c) receptor
(d) acceptor
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
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?
State whether the following is
Salivation when food is put in the mouth.
What type of reflex is the following?
Knitting and swimming
Complete the following sentence with appropriate Word
A reflex arc in man is best described as movement of stimuli from:
The given diagrammatic representation of reflex action shows knee jerk reflex.
Identify the parts labeled as A to E and select the correct option.
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.
