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Control and Coordination - Biology Class 10 | Shiksha Nation
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Class 10
CBSE
Biology
Control and Coordination
🧬
Chapter 2
Control and Coordination
Biology
•
Class 10
•
CBSE
13 Questions Available
Showing 13 questions on this page
1
What are nastic and curvature movements? Give one example of each.
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2
Name the three major regions of human brain. Which part of brain maintains posture and equilibrium of the body?
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3
(a) What are “hormones”? (b) List four characteristics of hormones (c) Name the hormone required for the following: Functioning of mammary glands Regulation of calcium and phosphate Lowering of blood glucose Development of moustache and beard in human malc.
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4
(a) What is reflex action? Give its two examples. Illustrate the pathway followed by a message from the receptor in a reflex arc. (b) Name the actions of sympathetic and parasympathetic systems on eye.
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5
Name two hormones secreted by pancreas. Write one function of each hormone named.
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6
Explain the cause of shoots of the plant bending towards light?
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7
Maintenance of Posture and Equilibrium. Cerebellum. (a) Distinguish between voluntary and involuntary actions of our body. (b) Choose involuntary actions, amongst the following: Reading, Beating of heart, Salivation in the mouth on viewing tasty food, Talking.
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8
(b) What is • Phototropism and • Geotropism? With labelled diagrams describe an activity to show that light and gravity change the direction that plant parts grow in. (b) Mention the role of each of the following plant hormones: • Auxin • Abscisic acid.
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9
What are phytohormones?
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10
What is neuron?
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11
What is reflex action? Explain the mechanism of reflex action with a suitable example.
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12
Name the hormone responsible for regulation of • Metabolism of carbohydrates, fats and proteins • Balance of calcium and phosphate • Blood pressure • Water and electrolyte balance.
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13
Write the function of hormone thyroxine in our bodies.
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