Question

Assertion: Deficiency symptoms occur if the soil is lacking any particular element.​

Reason: Excess minerals cause toxicity.​

• A. If both assertion and reason are true then the reason is not the correct explanation of assertion
• B. If an assertion is true but the reason is false
• C. If both assertion and reason are false
• D. If both assertion and reason are true and the reason is the correct explanation of assertion.

Answer 1

The correct option is A If both assertion and reason are true then the reason is not the correct explanation of assertion

Correct option: (b) If both assertion and reason are true then the reason is not the correct explanation of assertion.​​

• Lacking any element in the soil may cause deficiency symptoms in plants and also inhibits their growth.​
• Due to the excess amount of minerals the plant growth gets inhibited, it acts as a toxin for plants.​
• For example, a high concentration of zinc elements can inhibit the growth of roots.