Life Processes Mock Tests

28 questions available

Life Processes Mock Test 1

Questions: 28

Sample Questions

Class 10 Science

Which of the following is NOT a function of the stomata in leaves?

A Gas exchange (CO₂ in, O₂ out)

B Transpiration (water loss)

C Synthesis of glucose

D Regulation of water loss

Class 10 Science

Chlorophyll is located in which part of the plant cell?

A Cytoplasm

B Chloroplasts

C Nucleus

D Mitochondria

Class 10 Science

In the human body, the exchange of gases between blood and body cells occurs in which part of the circulatory system?

A Aorta

B Pulmonary artery

C Tissues (systemic capillaries)

D Vena cava

Class 10 Science

Which of the following structures is responsible for the exchange of gases in the lungs of humans?

A Trachea

B Bronchi

C Alveoli

D Bronchioles

Class 10 Science

Plants store the food prepared during photosynthesis in the form of:

A Starch

B Glucose

C Cellulose

D Fat

Class 10 Science

A plant whose leaves are variegated (having both green and non-green areas) is kept in sunlight for several hours to test for starch. After testing with iodine, the non-green areas will:

A Show a blue-black colour

B Remain brown or yellow (no colour change)

C Show a red colour

D Show a green colour

Class 10 Science

What is the function of xylem in plants?

A Transport of water and minerals from roots to leaves

B Transport of food from leaves to other parts

C Storage of food

D Protection of plant body

Class 10 Science

Which of the following gases is released during photosynthesis?

A Carbon dioxide

B Oxygen

C Nitrogen

D Hydrogen

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