Nutrition MCQ Quiz – Part 4
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This Nutrition MCQ Quiz helps aspirants revise important concepts related to types of nutrition, nutrients, and their functions in the human body, which are frequently asked in competitive exams. Regular practice of nutrition MCQs improves conceptual understanding and helps candidates answer biology questions quickly and accurately.
GK Series – Biology – Nutrition MCQ Quiz |
|
| Subject | Biology |
| Chapter | Nutrition |
| Part | 4 |
| Questions | 25 |
Who Should Attempt This Nutrition MCQ Quiz?
This Nutrition MCQ Quiz helps aspirants revise important concepts related to types of nutrition, nutrients, and their functions in the human body, which are frequently asked in competitive exams. Regular practice of nutrition MCQs improves conceptual understanding and helps candidates answer biology questions quickly and accurately.
Topics Covered in This Nutrition MCQ Quiz
This quiz includes MCQs based on important topics such as carbohydrates, proteins, fats, vitamins, minerals, balanced diet, malnutrition, deficiency diseases, and types of nutrition, along with other fundamental concepts related to human nutrition and health.
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Question 1 of 25
1. Question
Oxygen released during photosynthesis comes from
Correct
➤ Oxygen is released from splitting of water molecules.
➤ This occurs during light reaction.Incorrect
➤ Oxygen is released from splitting of water molecules.
➤ This occurs during light reaction. -
Question 2 of 25
2. Question
Mesophyll cells are responsible for
Correct
➤ Mesophyll cells are main site of photosynthesis.
➤ They contain chloroplasts.Incorrect
➤ Mesophyll cells are main site of photosynthesis.
➤ They contain chloroplasts. -
Question 3 of 25
3. Question
Stomata help in
Correct
➤ Stomata regulate gas exchange (CO₂ and O₂).
➤ Controlled by guard cells.Incorrect
➤ Stomata regulate gas exchange (CO₂ and O₂).
➤ Controlled by guard cells. -
Question 4 of 25
4. Question
Guard cells regulate
Correct
➤ Guard cells control opening and closing of stomata.
➤ They respond to CO₂ levels.Incorrect
➤ Guard cells control opening and closing of stomata.
➤ They respond to CO₂ levels. -
Question 5 of 25
5. Question
The end product of photosynthesis is
Correct
➤ Glucose is the main product of photosynthesis.
➤ Oxygen is released as byproduct.Incorrect
➤ Glucose is the main product of photosynthesis.
➤ Oxygen is released as byproduct. -
Question 6 of 25
6. Question
Chloroplast is found in
Correct
➤ Chloroplast is present in plant cells.
➤ It is the site of photosynthesis.Incorrect
➤ Chloroplast is present in plant cells.
➤ It is the site of photosynthesis. -
Question 7 of 25
7. Question
Chloroplast converts
Correct
➤ Chloroplast converts light energy into chemical energy.
➤ Stored in form of glucose.Incorrect
➤ Chloroplast converts light energy into chemical energy.
➤ Stored in form of glucose. -
Question 8 of 25
8. Question
The outer membrane of chloroplast
Correct
➤ Outer membrane acts as protective covering.
➤ Allows small molecules to pass.Incorrect
➤ Outer membrane acts as protective covering.
➤ Allows small molecules to pass. -
Question 9 of 25
9. Question
The inner membrane of chloroplast
Correct
➤ Inner membrane regulates movement of materials.
➤ Maintains internal environment.Incorrect
➤ Inner membrane regulates movement of materials.
➤ Maintains internal environment. -
Question 10 of 25
10. Question
Stroma is
Correct
➤ Stroma is fluid inside chloroplast.
➤ Calvin cycle occurs here.Incorrect
➤ Stroma is fluid inside chloroplast.
➤ Calvin cycle occurs here. -
Question 11 of 25
11. Question
Thylakoids are
Correct
➤ Thylakoids are disc-shaped structures.
➤ They contain chlorophyll.Incorrect
➤ Thylakoids are disc-shaped structures.
➤ They contain chlorophyll. -
Question 12 of 25
12. Question
Grana are
Correct
➤ Grana are stacks of thylakoids.
➤ Site of light reactions.Incorrect
➤ Grana are stacks of thylakoids.
➤ Site of light reactions. -
Question 13 of 25
13. Question
Light reaction of photosynthesis occurs in
Correct
➤ Light reactions occur in thylakoid membranes.
➤ Water splits into H₂ and O₂.Incorrect
➤ Light reactions occur in thylakoid membranes.
➤ Water splits into H₂ and O₂. -
Question 14 of 25
14. Question
Dark reaction (Calvin cycle) occurs in
Correct
➤ Dark reaction occurs in stroma.
➤ CO₂ is converted into glucose.Incorrect
➤ Dark reaction occurs in stroma.
➤ CO₂ is converted into glucose. -
Question 15 of 25
15. Question
ATP and NADPH are produced during
Correct
➤ ATP and NADPH are produced in light reaction.
➤ Used in Calvin cycle.Incorrect
➤ ATP and NADPH are produced in light reaction.
➤ Used in Calvin cycle. -
Question 16 of 25
16. Question
Nitrogen is important for
Correct
➤ Nitrogen promotes rapid leafy growth.
➤ It is a key component of chlorophyll.Incorrect
➤ Nitrogen promotes rapid leafy growth.
➤ It is a key component of chlorophyll. -
Question 17 of 25
17. Question
Phosphorus is important for
Correct
➤ Phosphorus helps in root development.
➤ Also important for flowers and seeds.Incorrect
➤ Phosphorus helps in root development.
➤ Also important for flowers and seeds. -
Question 18 of 25
18. Question
Potassium helps in
Correct
➤ Potassium regulates water balance.
➤ Helps in disease resistance.Incorrect
➤ Potassium regulates water balance.
➤ Helps in disease resistance. -
Question 19 of 25
19. Question
Calcium is important for
Correct
➤ Calcium provides structural support to plant cells.
➤ Acts like cement in cell walls.Incorrect
➤ Calcium provides structural support to plant cells.
➤ Acts like cement in cell walls. -
Question 20 of 25
20. Question
Magnesium is important for
Correct
➤ Magnesium is central atom of chlorophyll.
➤ Essential for photosynthesis.Incorrect
➤ Magnesium is central atom of chlorophyll.
➤ Essential for photosynthesis. -
Question 21 of 25
21. Question
Sulphur is important for
Correct
➤ Sulphur helps in amino acid and protein formation.
➤ Needed for enzymes and vitamins.Incorrect
➤ Sulphur helps in amino acid and protein formation.
➤ Needed for enzymes and vitamins. -
Question 22 of 25
22. Question
Which nutrient helps in disease resistance in plants?
Correct
➤ Potassium boosts plant immunity.
➤ Helps plants fight diseases.Incorrect
➤ Potassium boosts plant immunity.
➤ Helps plants fight diseases. -
Question 23 of 25
23. Question
Which nutrient is directly involved in photosynthesis?
Correct
➤ Magnesium is essential for photosynthesis.
➤ It forms part of chlorophyll molecule.Incorrect
➤ Magnesium is essential for photosynthesis.
➤ It forms part of chlorophyll molecule. -
Question 24 of 25
24. Question
Macronutrients in plants include
Correct
➤ N, P, K are major macronutrients.
➤ Required in large amounts.Incorrect
➤ N, P, K are major macronutrients.
➤ Required in large amounts. -
Question 25 of 25
25. Question
Micronutrients in plants include
Correct
➤ Fe, Zn, Cu are micronutrients.
➤ Required in small amounts.Incorrect
➤ Fe, Zn, Cu are micronutrients.
➤ Required in small amounts.