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Absorption of water by the plant cells by surface attraction is called:
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The insulating sheath covering the neural axon is called.
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A mixed nerve is one which
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Name the following:
The junction between two nerve cells.
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what do we refer to in the nervous system when we say:
sensory, motor and mixed ………………..
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Write names of two hormones produced by pancreases.
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Name the following:
The condition caused by the over secretion of insulin
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Name the following:
The hormone secreted by β (beta) cells of the islets of Langerhans.
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Choose the odd one out from each series
The hormones – insulin, glucagon, cretinism, thyroxine
………………………………………….
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Choose the odd one out from each series
The hormones – insulin, glucagon, cretinism, thyroxine
………………………………………….
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Why do you call the spinal cord and the brain as the central nervous system?
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Identify the odd one in the following and mention what the rest is:
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Identify the odd one in the following and mention what the rest is:
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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 |
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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 |
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Given below is the partially incomplete scheme of the components of peripheral nervous system. Fill up the blanks numbered (1)-(12):
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Name the two kinds of diabetes? Mention their symptoms and the causes.
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Name the following:
Gland secreting insulin.
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Give the special function of the following:
Insulin hormone
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Give the special function of the following:
Glucagon hormone
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