Control and Coordination
1. It is the gap between two neurons.
4. It is a component of CNS.
2. These neurons bring impulses to CNS.
3. Another name for efferent neurons.
Blinking of eyes is a reflex action.
The trigeminal nerve arises from the brain in the region of
Pons and divides into ophthalmic, maxillary and mandibular branches
Medulla and divides into palatine, chorda tympani and hyomandibular branches
Cerebellum and divides into palatine, chorda tympani and hyomandibular branches
Cerebellum and divides into ophthalmic, maxillary and mandibular branches
Reflex arc is the pathway of impulses to and from the spinal cord.
response to external stimuli
instantaneous response without thought
Match Column A appropriately with Column B.
Column AColumn B(i)The Central Nervous System constitutes of1.Ears, Eyes, Nose(ii)Reflex arcs are formed in 2.Olfactory(iii)Receptors that detect taste3. Spinal cord and the Brain(iv)Receptors that detect smell4. Muscles and Glands(v)Examples of receptor organs are5. Gustatory(vi)Examples of effector organs are6. Spinal Cord(vii)Peripheral Nervous System consists of7. Spinal nerves from the spinal cord and cranial nerves from the brain
(i) – 4, (ii) – 5, (iii) – 6, (iv) – 7, (v) – 3, (vi) – 1, (vii) – 2
(i) – 3, (ii) – 2, (iii) – 5, (iv) – 6, (v) – 1, (vi) – 4, (vii) – 7
(i) – 3, (ii) – 6, (iii) – 5, (iv) – 2, (v) – 1, (vi) – 4, (vii) – 7
(i) – 1, (ii) – 5, (iii) – 2, (iv) – 6, (v) – 3, (vi) – 7, (vii) – 4
- Touching the hot pan
- Pulling the hand back
- Both A and B
- Statement is not an example of reflex
You duck your head when a baseball is thrown at your face. You are responding to:
An internal stimulus
An external stimulus
A number of metabolic processes are interwoven by:
All of these
- Optic nerve
- Occipital nerve
- Sciatic nerve
- Auditory nerve