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Class 10

Explore popular questions from Life Processes for Class 10. This collection covers Life Processes previous year Class 10 questions hand picked by experienced teachers.

Life Processes

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Q 1. Energy is produced by the process of

A

Digestion

B

Assimilation

Respiration

D

Excretion

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Q 2. The end product of carbohydrate digestion is

A

Maltose

B

Sucrose

Glucose

D

Lactose

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Q 3. Saliva contains

Ptyalin

B

Renin

C

Trypsin

D

All of these

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Q 4. A person with high fever may breath faster than normal. This may be due to

A

Additional requirement of {tex}\mathrm{O_2}{/tex} for the invaded germs

High temperature of body

C

Loss of appetite

D

Mental worry of patient

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Q 5. If a man from sea coast of Kerala goes to Mount everest.

His breathing rate and heart beat will increase

B

His breathing rate and heart beat will decrease

C

His breathing rate will increase but heart beat will decrease

D

His breathing rate will decrease but heart beat will increase

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Q 6. Circulatory system is open in

Prawn

B

Toad

C

Lizard

D

Pigeon

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Q 7. Which is not excretory organ?

A

Skin

B

Kidney

C

Liver

Pancreas

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Q 8. Special excretory organ is lacking in :

A

Earthworm

Amoeba

C

Man

D

Insects

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Q 9. Henle's loop is short or absent in

Fresh water fish

B

Birds

C

Mammals

D

All of the above

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Q 10. In which form is food transported in plants

Sucrose

B

Fructose

C

Glucose

D

Lactose

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Q 11. In photosynthesis

{tex}\mathrm{CO_2}{/tex} is reduced while {tex}\mathrm{H_2O}{/tex} oxidized

B

{tex}\mathrm{CO_2}{/tex} is oxidized white {tex}\mathrm{H_2O}{/tex} reduced

C

{tex}\mathrm{CO_2}{/tex} and {tex}\mathrm{H_2O}{/tex} are oxidized

D

{tex}\mathrm{CO_2}{/tex} & {tex}\mathrm{H_2O}{/tex} are reduced