Life Processes Class 10 MCQ with Answers

Welcome to biology life processes class 10 MCQ online test. In this online test, you would find the single choice type questions along with assertion reason type questions. This test is strictly according to the class 10 science syllabus as proposed by CBSE and NCERT books.

Take this online quiz to test your knowledge and your exam preparation.

Life Processes Class 10 MCQ Online Test

General Instructions

Your test contains multiple-choice questions with only one answer-type question. There are a total of 20 questions
This is a 20 min test. Please make sure you complete it in the stipulated time
You can finish this test any time using the 'Submit' button.

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1. Opening and closing of pores is a function performed by

Stomata

Chlorophyll

Chloroplast

Guard cells

2. Photosynthesis is a

Catabolic process

Parabolic process

Amphibolic process

Photochemical process

3. The small pores present of leaf’s surface are called

Stomata

Chlorophyll

Guard cells

None of these

4. Which element is used in the synthesis of proteins?

Hydrogen

Oxygen

Nitrogen

Carbon dioxide

5. Name the substances whose build up in the muscles during vigorous physical exercise may cause cramps?

Ethanol + Carbon dioxide + Energy

Lactic acid + Energy

Carbon dioxide + Water + Energy

Pyruvate

6. Which of the following are energy foods?

Carbohydrates and fats

Proteins and mineral salts

Vitamins and minerals

Water and roughage

7. A large quantity of one of the following is removed from our body by lungs:

CO₂ and H₂O

CO₂ only

FLO only

ammonia

8. A blood vessel that pumps the blood from the heart to the entire body:

artery

capillary

Vein

Haemoglobin

9. Which of these juices is secreted by pancreas?

Trypsin

Pepsin

Bile juice

both Trypsin and Pepsin

10. Name the tube which connects the kidneys to the urinary bladder

Urethra

Nephron

Tubule

Ureter

11. Temporary finger like extensions on amoeba are called

Cell membrane

Cell wall

Pseudopodia

Cilia

12. Assertion: All proteins in our food are digested in small intestine only.
Reason: The protein-digesting enzymes are released onto small intestine.

Both Assertion and Reason are true and Reason is the correct explanation of Assertion

Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

Assertion is true but Reason is false

Assertion is false but Reason is true

Both Assertion and Reason are false

13. Lack of oxygen in muscles often leads to cramps among cricketers. This results due to

conversion of pyruvate to ethanol

conversion of pyruvate to glucose

non-conversion of glucose to pyruvate

conversion of pyruvate to lactic acid

14. The contraction and expansion movement of the walls of the food pipe is called

translocation

transpiration

peristaltic movement

digestion

15. The breakdown of pyruvate to give carbon di-oxide, water and energy takes place in

cytoplasm

mitochondria

chloroplast

nucleus

16. Glycolysis process occurs in which part of the cell?

Cytoplasm

Nucleus

Mitochondria

Chloroplast

17. Assertion: Veins have thin walls to collect blood from different organs.
Reason: Blood in veins are not under pressure.

Both Assertion and Reason are true and Reason is the correct explanation of Assertion

Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

Assertion is true but Reason is false

Assertion is false but Reason is true

Both Assertion and Reason are false

18. The movement of food in phloem is called:

transpiration

translocation

respiration

evaporation

19. The chlorophyll in photosynthesis is used for

Absorbing light

Breaking down water molecule

No function

Reduction of CO₂

20. Roots of the plants absorb water from the soil through the process of

diffusion

transpiration

osmosis

None of these

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