CBSE 10th Standard Science Subject Control and Coordination HOT Questions 1 Mark Questions 2021
By QB365 on 29 May, 2021
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CBSE 10th Standard Science Subject Control and Coordination HOT Questions 1 Mark Questions 2021
10th Standard CBSE
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Reg.No. :
Science
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A patient is not able to balance his body and cannot walk properly by keeping the balance and cannot coordinate it. Name the part of brain which is affected.
(a)Hind brain
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Name the hormone that controls the rate of respiration, also name the part of brain responsible for controlling respiration.
(a)Adrenaline hormone controls the rate of respiration (hormone).
Pons (brain part) controls the rate of respiration. -
Doctor advised a patient to take iodised salt. Explain why?
(a)Iodine present in iodised salt helps in the secretion of thyroxine by thyroid gland which controls the metabolism of carbohydrates fats and proteins.
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What are the limitations of electrical impulse?
(a)It reaches only to target organs and it cannot recreate the signal again
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If there is no neuron in an organ, how will the message reach in other way?
(a)The messages can be sent by hormones if the nervous system or nerves lack.
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CBSE 10th Standard Science Subject Control and Coordination HOT Questions 1 Mark Questions 2021 Answer Keys
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Coordination disorders often result from malfunction of the cerebellum, the part of the brain that coordinates voluntary movements and controls balance. The cerebellum malfunctions, causing loss of coordination. Often, people cannot control their arms and legs, making them take wide, unsteady steps when they walk.
Coordination disorders often result from malfunction of the cerebellum, the part of the brain that coordinates voluntary movements and controls balance. The cerebellum malfunctions, causing loss of coordination. Often, people cannot control their arms and legs, making them take wide, unsteady steps when they walk.
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Adrenaline hormone controls the rate of respiration (hormone).
Pons (brain part) controls the rate of respiration.Adrenaline hormone controls the rate of respiration (hormone).
Pons (brain part) controls the rate of respiration. -
Iodine present in iodised salt helps in the secretion of thyroxine by thyroid gland which controls the metabolism of carbohydrates fats and proteins.
Iodine present in iodised salt helps in the secretion of thyroxine by thyroid gland which controls the metabolism of carbohydrates fats and proteins.
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It reaches only to target organs and it cannot recreate the signal again
It reaches only to target organs and it cannot recreate the signal again
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The messages can be sent by hormones if the nervous system or nerves lack.
The messages can be sent by hormones if the nervous system or nerves lack.
