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Question
A mixed nerve is one which
Options
Carries sensation from 2 or more different sense organs
Contains both sensory and motor fibres
Has a common root but branches into two or more nerves to different organs
Has two or more roots from different parts of brain
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Solution
Contains both sensory and motor fibres
RELATED QUESTIONS
Aqueous humour is present between the :
(A) Lens and Retina
(B) Iris and Lens
(C) Cornea and Iris
(D) Cornea and Lens
what do we refer to in the nervous system when we say:
sensory, motor and mixed ………………..
During a street fight between two individuals, mention the effects on the following organs by the autonomous nervous system, in the table given below : (one has been for you as an example).
| Organ | Sympathetic System | Parasympathetic System |
| e.g. Lungs | Dilates bronchi and bronchioles | Constricts bronchi and bronchioles |
| 1. Heart | ||
| 2. Pupil | ||
| 3. Salivary gland |
Given below are a few situations. What effective change will occur in the organ/body part mentioned and which part (sympathetic or parasympathetic) of the autonomic nervous system brings it about?
| Situation | Organ/body part | Change/action | Part of autonomic nervous system involved |
| 1. You have entered a dark room | Eye | ||
| 2. Your body is consuming lot of glucose while running a race | Liver | ||
| 3. You are chewing a tasty food | Salivary gland | ||
| 4. You are running a race | Adrenal gland | ||
| 5. You are retiring to bed for sleep | Heart | ||
| 6. You are shivering in intense cold | Body hairs |
Name the following:
Nervous system including brain and spinal cord.
Define the following:
Cyton
The Centre for the sense of smell is ______
The number of cranial and spinal nerves in a human being are respectively ______.
Name the following:
Two parts of the autonomic nervous system
Distinguish between the following pair:
Sympathetic nervous system and parasympathatic nervous system (location and role)
