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. Name the part of alimentary canal receiving bile from the liver.

Oesophagus

Stomach

Small intestine

Large intestine

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

Stomata

Chlorophyll

Chloroplast

Guard cells

3. Which of the following are chiefly digested in the stomach?

Carbohydrates

Proteins

Lipids

Fats

4. Proteins after digestion are converted into

Carbohydrates

Small globules

Amino acids

starch

5. Single circulation, i.e., blood flows through the heart only once during one cycle of passage through the body, is exhibited by which of the following:

hyla, rana, draco

whale, dolphin, turtle

labeo, chameleon, salamander

hippocampus, exocoetus, anabas

6. ASSERTION: Pyruvate is a six-carbon molecule.
REASON: It is prepared in the cytoplasm as the first step to cellular respiration.

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

7. Assertion: When air is passed through lime water, lime water turns milky.
Reason: Air contains 78% nitrogen and 21% oxygen

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

8. The exit of unabsorbed food material is regulated by

liver

anus

small intestine

anal sphincter

9. 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

10. The extracellular fluid released from the capillaries is:

serum

plasma

lymph

mucus

11. Which of these juices is secreted by pancreas?

Trypsin

Pepsin

Bile juice

both Trypsin and Pepsin

12. Amoeba shows following kind of nutrition

autotrophic

holozoic

saprotrophic

parasitic

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

Heart

Lungs

Ureter

Kidneys

14. Respiratory pigment in the human body is

Chlorophyll

Water

Blood

haemoglobin

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

Glycogen

Starch

Glucose

Maltose

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

Lungs and larynx

Alveoli and throat

Throat and lungs

Alveoli and capillaries

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

Pepsin

Trypsin

Amylase

Lipase

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

Stomach

Mouth cavity

Large intestine

Small intestine

19. Photosynthesis is a

Catabolic process

Parabolic process

Amphibolic process

Photochemical process

20. Normal blood pressure (systolic/diastolic) is

120/80 mm of Hg

160/80 mm of Hg

120/60 mm of Hg

180/80 mm of Hg

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