MCQ practice · SSC Biology Board questions · Chapter 5: Food, Nutrition and Digestion
Which minerals might be lacking in Rahim Mia's tomato field?
Think it through first, then pick an option.
- a N, K
- b P, Ca
- c N, B
- d P, Cu
Answer and explanation
Correct answer: a N, K
Yellowing leaves are a sign of lack of nitrogen; lack of potassium also yellows the tips and edges. So N and K.
Why the other options are wrong
- b P, Ca: “P, Ca” does not fit here. Yellowing leaves are a sign of lack of nitrogen; lack of potassium also yellows the tips and edges. So N and K.
- c N, B: “N, B” does not fit here. Yellowing leaves are a sign of lack of nitrogen; lack of potassium also yellows the tips and edges. So N and K.
- d P, Cu: “P, Cu” does not fit here. Yellowing leaves are a sign of lack of nitrogen; lack of potassium also yellows the tips and edges. So N and K.
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