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.

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

Stomach

Mouth cavity

Large intestine

Small intestine

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

Oesophagus

Stomach

Small intestine

Large intestine

3. The movement of food in phloem is called:

transpiration

translocation

respiration

evaporation

4. Which part of the nephron allows the selective reabsorption of useful substances like glucose, amino acids, salts, and water into the blood capillaries?

Tubule

Glomerulus

Bowman’s capsule

Ureter

5. The xylem in plants are responsible for

transport of water

transport of food

transport of amino acids

transport of oxygen

6. ASSERTION: Molecular movements are needed for life.
REASON: Body structures made up of these molecules need continuous repair and maintenance.

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. Which element is used in the synthesis of proteins?

Hydrogen

Oxygen

Nitrogen

Carbon dioxide

8. Autotrophic organisms include

bacteria and virus

bacteria and fungi

green plants and some bacteria

green plants and all bacteria

9. The kidneys in human beings are parts of the system for

nutrition

respiration

excretion

transpiration

10. Which of the following equations is the summary of photosynthesis?

6CO₂ + 12H₂O → C₆H₁₂O₆ + 6O₂ + 6H₂O

6CO₂ + H₂O + Sunlight → C₆H₁₂O₆ + O₂ + 6H₂O

6CO₂ + 12H₂O + Chlorophyll + Sunlight → C₆H₁₂O₆ + 6O₂ + 6H₂O

6CO₂ + 12H₂O + Chlorophyll + Sunlight → C₆H₁₂O₆ + 6CO₂ + 6H₂O

11. Which process converts light energy to chemical energy ?

Respiration

photosynthesis

transpiration

transportation of water and minerals

12. Large intestine in man mainly carries out

absorption

assimilation

digestion of fats

digestion of carbohydrates

13. Proteins after digestion are converted into

Carbohydrates

Small globules

Amino acids

starch

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

osmosis

filtration

dialysis

double circulation

15. Choose the form in which most of the plants absorb nitrogen from the atmosphere ?

proteins

nitrates and nitrites

atmospheric nitrogen

amino acids

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. Which is the first enzyme to mix with food i the digestive tract?

Pepsin

Cellulose

Amylase

Trypsin

18. The mode of nutrition found in fungi is:

Parasitic nutrition

Holozoic nutrition

Autotrophic nutrition

Saprotrophic nutrition

19. Blood pressure is measured by an instrument called

barometer

sphygmomanometer

photometer

manometer

20. Bile juice is secreted by

Stomach

Pancreas

Small intestine

Liver

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