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Question
State whether the following is
Blinking
Options
simple reflex
conditioned reflex
None of the above
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Solution
simple reflex
RELATED QUESTIONS
The diagram given below shows the internal structure of a spinal cord depicting a phenomena. Study the diagram and answer the questions:
- Name the phenomenon that is depicted in the diagram. Define the phenomenon.
- Give the technical term for the point of contact between the two nerve cells.
- Name the parts numbered 1, 2 and 3.
- How does the arrangement of neurons in the spinal cord differ from that of the brain?
- Mention two ways by which the spinal cord is protected in our body.
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the cells in your nasal passages which perceive the smell?
Give the various functions of brain.
Which of the following are cerebral reflexes?
(i) a person pulls away his hand on touching a hot object
(ii) a person spits out immediately when a fly enters his mouth while talking
(iii) A person walking bare foot lifts his foot at once on stepping on to a nail
(iv) A person's pupil contracts at once in the presence of bright light
(a) (i) and (ii) (b) (ii) and (iii) (c) (iii) and (iv) (d) (ii) and (iv)
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
Define the following:
Reflex action
State whether the following is
Salivation when food is put in the mouth.
What type of reflex is the following?
Blinking of the eye
What will you do if someone pricks your hand with a needle? Elucidate the pathway of response with a neat labelled diagram.
Categorise the following under stimulus and response.
Pain in the eye if something falls into it.
