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CLASS - 10 SCIENCE IMPORTANT QUESTIONS OF MARK 1 FOR BOARD EXAMINATION   

QUESTION NO.  111

What is respiration ?

ANSWER NO. 111

The process of acquiring oxygen from outside the body, and to use it in the process of breakdown of food sources for cellular need, is called respiration.

QUESTION NO. 112

What is excretion ?

ANSWER NO. 112

It is the by product of carbon source and oxygen that are mat only useless for cell of the body, but could even be harmful. These waste by products are there for needed to be removed from the body and discarded outside by a process called excretion.

QUESTION NO. 113

What is the basic unit of kidney?

ANSWER NO. 113


Basic unit of kidney is nephrons.

QUESTION NO. 114

What is hemodialysis ?

ANSWER NO. 114

Hemodialysis is a medical process to remove fluid and waste products from the blood and to correct electronic imbalances. This is done by using a machine and dialyzer,also refers to an '' artificial kidney ''. It is used in kidney failure.

QUESTION NO. 115

Write the function of kidney.

ANSWER NO. 115

Kidneys help the body waste and past as urine. They also help to filter blood before sending back to the heart. It maintain overall fluid balance.

QUESTION NO. 116

What is blood pressure and write the name of Instrument of measuring blood pressure.

ANSWER NO. 116

Blood pressure : blood pressure in the pressure of circulating Blood on the walls of blood vessels.
      Sphygmomanometer is the instrument for measuring the blood pressure.

QUESTION NO. 117

What is synapse?

ANSWER NO. 117

The the synapse is the gap between two nerve. And electric impulse travel across nerve and at the end a chemical is released which diffuses across the gap to the next nerve.

QUESTION NO. 118

What is the function of synapse ?

ANSWER NO. 118

The function of synapse is to transfer electric activities ( information ) from one cell to another. The transfer can be from nerve to nerve or nerve to muscle.

QUESTION NO. 119

Write the names of the body part which protects the spinal cord.

ANSWER NO. 119

The spinal cord is protected by vertebra. The spinal cord is passes through a hole in the centre of each vertebra. Between the vertebrae there are disc that act as cushion, or shock absorber for the spine.

QUESTION NO. 120

Which part of the brain maintains posture and equilibrium of the body ?

ANSWER NO. 120

The  cerebellum.

 ALSO SEE IMPORTANT QUESTION OF 1 MARK

 From question no. 31 to 40

From question no. 1 to 10

From question no. 21 to 30

From question no. 41 to 50

From question no. 51 to 60

From question no. 61 to 70

From question no. 71 to 80

From question no. 81 to 90

From question no. 101 to 110

From question no. 111 to 120

From question no. 121 to 130

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