1. Carbohydrates, fats & proteins are essential for:
Metabolic processes of an organism
Providing energy
Formation of structures
All of these
✅ The correct answer is option D.
Nutrition MCQs
2. Magnesium is present in which of the following?
Cytochromes
ATP
Chlorophyll
Hemoglobin
✅ The correct answer is option C.
3. Deficiency of which of the following causes chlorosis?
Nitrogen
Magnesium
Iron
Both A and B
✅ The correct answer is option D.
4. Deficiency of K+ causes:
Stunted growth & strong chlorosis
No electron transport chains
The premature death of leaves.
Stunted growth of roots.
✅ The correct answer is option C.
6. Autotrophic organisms can exist in an exclusively ______ environment.
Organic
Inorganic
Wet
Terrestrial
✅ The correct answer is option B.
7. Strong chlorosis is due to the deficiency of _____ in plants.
Magnesium
Nitrogen
Potassium
Phosphorus
✅ The correct answer is option B.
8. Stunted growth of roots is due to the deficiency of _____ in plants
Potassium
Magnesium
Phosphorus
Iron
✅ The correct answer is option C.
10. Nodules on roots of leguminous plants have _____ bacteria
Anaerobic
Nitrogen fixing
Nitrifying
Ammonifying
✅ The correct answer is option B.