If the pH of soil is very low, what effect can it have on plant growth?
Answer and explanation
Correct answer: Plant growth may be affected
A very low pH indicates strongly acidic soil. Such acidity can change the availability of mineral nutrients, reduce the uptake of some essential elements, and sometimes increase the solubility of substances harmful to roots. Consequently, plant growth may be reduced or otherwise disturbed. Option A is therefore correct. The other options ignore the biological and chemical effects of soil acidity.
Frequently asked questions
What is the correct answer to this question?
Plant growth may be affected
Why is this the correct answer?
A very low pH indicates strongly acidic soil. Such acidity can change the availability of mineral nutrients, reduce the uptake of some essential elements, and sometimes increase the solubility of substances harmful to roots. Consequently, plant growth may be reduced or otherwise disturbed. Option A is therefore correct. The other options ignore the biological and chemical effects of soil acidity.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Acids, Bases, and Salts.
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