Advertisements
Advertisements
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
Advertisements
उत्तर
Salivation at the sight of food
APPEARS IN
संबंधित प्रश्न
Which part of the eye contains cells which are sensitive to light?
Write the names of the regions in hindbrain. Give one function of each region.
Explain the difference between of the following pair of terms :
receptor and effector
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
Multiple choice question. Tick (✓) the correct choice:
Reflex actions occur under the control of
- brain
- medulla oblongata
- spinal cord
- cerebrum
Define voluntary and reflex actions. Give examples of each.
State whether the following is simple reflex, conditioned reflex or neither of the two:
Lifting up a book: …………………..
Reflex action is controlled by the
Mention, if the following statement is True or False
Reflex action involves brain
Which one of the following is not a simple reflex?
