10th Standard CBSE Syllabus & Materials

10th Standard CBSE

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CBSE 10th Standard Science Subject Control and Coordination HOT Questions 1 Mark Questions 2021

Published on: 29/05/2021

QB365 Provides the HOT Question Papers for Class 10 Science, and also provide the detail solution for each and every HOT Questions. HOT Questions will help to get more idea about question pattern in every exams and also will help to get more marks in Exams

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Std: 10th Standard CBSE - Science

chapter: - HOT Questions

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Questions:

Generic 2

5 x 2 = 10

If there is no neuron in an organ, how will the message reach in other way?

What are the limitations of electrical impulse?

Doctor advised a patient to take iodised salt. Explain why?

Name the hormone that controls the rate of respiration, also name the part of brain responsible for controlling respiration.

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.

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Answers Key:

Generic 2

5 x 2 = 10

The messages can be sent by hormones if the nervous system or nerves lack.

It reaches only to target organs and it cannot recreate the signal again

Iodine present in iodised salt helps in the secretion of thyroxine by thyroid gland which controls the metabolism of carbohydrates fats and proteins.

Adrenaline hormone controls the rate of respiration (hormone).
Pons (brain part) controls the rate of respiration.

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.