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

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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. Main site of photosynthesis

Leaf

Stem

Chloroplast

Guard cells

2. Where is the dirty blood in our body filtered?

Heart

Lungs

Ureter

Kidneys

3. Carbohydrates in the plants are stored in the form of

Glycogen

Starch

Glucose

Maltose

4. The part where the exchange of gases occurs during respiration is:

Lungs and larynx

Alveoli and throat

Throat and lungs

Alveoli and capillaries

5. ASSERTION: The purpose of making urine is to filter out undigested food from intestine.
REASON: Kidneys filter the waste and produce urine.

If both assertion and reason are CORRECT and the reason is the CORRECT explanation of the assertion.

If both assertion and reason are CORRECT, but the reason is NOT THE CORRECT explanation of the assertion.

If the assertion is CORRECT, but the reason is INCORRECT

If the assertion is INCORRECT, but the reason is CORRECT

If both assertion and reason are INCORRECT

6. The site of photosynthesis in the cells of a leaf is

chloroplast

mitochondria

cytoplasm

protoplasm

7. Which of these juices is secreted by pancreas?

Trypsin

Pepsin

Bile juice

both Trypsin and Pepsin

8. ASSERTION: In human beings, the respiratory pigment is haemoglobin.
REASON: It is a type of protein which has high-affinity carbon dioxide.

If both assertion and reason are CORRECT and the reason is the CORRECT explanation of the assertion.

If both assertion and reason are CORRECT, but the reason is NOT THE CORRECT explanation of the assertion.

If the assertion is CORRECT, but the reason is INCORRECT

If the assertion is INCORRECT, but the reason is CORRECT

If both assertion and reason are INCORRECT

9. Name the pores in a leaf through which the respiratory exchange of gases takes place.

Lenticels

Vacuoles

Xylem

Stomata

10. 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

11. Blood consist of what fluid medium?

Lymph

Platelets

Plasma

None of these

12. Which is the correct sequence of body parts in the human alimentary canal?

Mouth → stomach → small intestine → large intestine → oesophagus

Mouth → oesophagus → stomach → small intestine → large intestine

Mouth → stomach → oesophagus → smallintestine → large intestine

Mouth → oesophagus → stomach → large intestine → small intestine

13. In which part of the alimentary canal food is finally digested?

Stomach

Mouth cavity

Large intestine

Small intestine

14. Oxygen released during photosynthesis comes from

water

Chlorophyll

carbon dioxide

glucose

15. The enzyme responsible for the digestion of proteins in the small intestine is:

Pepsin

Trypsin

Amylase

Lipase

16. Which process converts light energy to chemical energy ?

Respiration

photosynthesis

transpiration

transportation of water and minerals

17. Blood pressure is measured by an instrument called

barometer

sphygmomanometer

photometer

manometer

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

translocation

transpiration

peristaltic movement

digestion

19. The movement of food in phloem is called:

transpiration

translocation

respiration

evaporation

20. The procedure used for cleaning the blood of a person by separating urea from it is called:

osmosis

filtration

dialysis

double circulation

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