MCQ OF NUTRITION CLASS 10

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MCQs on Nutrition – Class 10

1. The process by which organisms take in food and utilize it is called
   a) Respiration
   b) Nutrition
   c) Excretion
   d) Digestion
   

2. Which of the following is an autotrophic mode of nutrition?
   a) Parasitic
   b) Holozoic
   c) Saprophytic
   d) Photosynthetic
   

3. Green plants prepare their food by the process of
   a) Respiration
   b) Transpiration
   c) Photosynthesis
   d) Digestion
   

4. Which gas is taken in by plants during photosynthesis?
   a) Oxygen
   b) Nitrogen
   c) Carbon dioxide
   d) Hydrogen
   

5. The pigment required for photosynthesis is
   a) Carotene
   b) Xanthophyll
   c) Chlorophyll
   d) Anthocyanin
   

6. Which part of the plant mainly carries out photosynthesis?
   a) Root
   b) Stem
   c) Flower
   d) Leaf
   

7. The mode of nutrition in Amoeba is
   a) Autotrophic
   b) Saprophytic
   c) Parasitic
   d) Holozoic
   

8. In humans, digestion of carbohydrates begins in the
   a) Stomach
   b) Mouth
   c) Small intestine
   d) Large intestine
   

9. Which enzyme is present in saliva?
   a) Pepsin
   b) Trypsin
   c) Amylase
   d) Lipase
   

10. The function of bile is to
    a) Digest proteins
    b) Digest carbohydrates
    c) Emulsify fats
    d) Digest vitamins
    

11. Which organ produces bile?
    a) Pancreas
    b) Stomach
    c) Liver
    d) Gall bladder
    

12. The partially digested food in the stomach is called
    a) Bolus
    b) Chyme
    c) Faeces
    d) Pulp
    

13. Which enzyme digests proteins in the stomach?
    a) Amylase
    b) Pepsin
    c) Lipase
    d) Trypsin
    

14. The inner lining of the small intestine has finger-like projections called
    a) Alveoli
    b) Nephrons
    c) Villi
    d) Cilia
    

15. Villi increase the surface area for
    a) Digestion
    b) Respiration
    c) Absorption
    d) Excretion
    

16. The end products of protein digestion are
    a) Fatty acids
    b) Glucose
    c) Amino acids
    d) Glycerol
    

17. Which nutrient provides the most energy?
    a) Proteins
    b) Vitamins
    c) Carbohydrates
    d) Fats
    

18. The digestion of fats mainly occurs in the
    a) Stomach
    b) Mouth
    c) Small intestine
    d) Large intestine
    

19. Which of the following is a saprophyte?
    a) Cuscuta
    b) Mushroom
    c) Lice
    d) Human
    

20. Cuscuta shows which type of nutrition?
    a) Autotrophic
    b) Saprophytic
    c) Parasitic
    d) Holozoic
    

21. The process of taking undigested food out of the body is called
    a) Excretion
    b) Assimilation
    c) Egestion
    d) Absorption
    

22. Which acid is present in the stomach?
    a) Sulphuric acid
    b) Nitric acid
    c) Hydrochloric acid
    d) Acetic acid
    

23. The pancreas secretes
    a) Bile
    b) Saliva
    c) Digestive enzymes
    d) Mucus
    

24. Which vitamin is synthesized in the human body by sunlight?
    a) Vitamin A
    b) Vitamin B
    c) Vitamin C
    d) Vitamin D
    

25. The large intestine mainly absorbs
    a) Nutrients
    b) Fats
    c) Proteins
    d) Water
    

26. The energy currency of the cell is
    a) DNA
    b) ATP
    c) RNA
    d) Enzyme
    

27. The food vacuole in Amoeba helps in
    a) Respiration
    b) Digestion
    c) Movement
    d) Excretion
    

28. Which of the following is not a function of food?
    a) Energy supply
    b) Growth
    c) Repair
    d) Reproduction
    

29. Photosynthesis takes place in
    a) Mitochondria
    b) Ribosome
    c) Chloroplast
    d) Nucleus
    

30. The balanced diet contains
    a) Only carbohydrates
    b) Only proteins
    c) All nutrients in proper proportion
    d) Only fats
    

Answersheet

1(B) , 2(D) ,3(C) , 4(C) , 5(C) , 6(D) , 7(D) , 8(B) ,9(C) , 10(C) , 11(C) ,12(B) , 13(B) ,14(C) , 15(C) , 16(C) , 17(D), 18(C) , 19(B), 20(C) , 21(C), 22(C) , 23(C) ,24(D), 25(D), 26(B) , 27(B), 28(D) , 29(C), 30(C)