MCQ practice · SSC Biology Board questions · Chapter 5: Food, Nutrition and Digestion
Which element is needed most for forming and preserving the chloroplast of a plant cell?
Think it through first, then pick an option.
- a boron
- b chlorine
- c manganese
- d potassium
Answer and explanation
Correct answer: c manganese
Manganese is needed for forming and preserving the chloroplast.
Why the other options are wrong
- a boron: “boron” does not fit here. Manganese is needed for forming and preserving the chloroplast.
- b chlorine: “chlorine” does not fit here. Manganese is needed for forming and preserving the chloroplast.
- d potassium: “potassium” does not fit here. Manganese is needed for forming and preserving the chloroplast.
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