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Question
State whether the following is simple reflex, conditioned reflex or neither of the two:
Sneezing: …………….
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Solution
Simple
RELATED QUESTIONS
With the help of a neat and labelled diagram, describe reflex arc.
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
Name two parts of the body which contain receptors of chemical stimuli.
All the voluntary actions of our body are controlled by :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla
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
One of the following gives the correct sequence of the components in a reflex arc. This is:
A cylindrical structure P in our body begins in continuation with medulla and extends downwards. It is enclosed in a bony cage Q and surrounded by membranes R. As many as x pairs of nerves arise from the structure P. The structure P is involved in the reflex actions of our body and conduction of nerve impulses to and from another organ S of our body with which it forms CNS.
(a) Name the structure P.
(b) Name (i) bony cage Q, and (ii) membranes R.
(c) How much is x?
(d) Name the organs S.
(e) What are the reflexes involving structure P only known as?
Complete the following sentence with appropriate Word
A reflex arc in man is best described as movement of stimuli from:
Which sensory organ is involved in vertigo (sensation of oneself or objects spinning around)?
