Assertion : The chief sinks for the mineral elements are the older regions of the plant.

Reason: Elements most readily mobilised are calcium, phosphorus, nitrogen and potassium.

if both A and R are true and R is the correct explanation of A

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if both A and R are true but R is not the correct explanation of A

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if A is true but R is false

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if both A and R are false.

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Solution

The correct option is D
if both A and R are false.

The chief sinks are the young growing root tips. And carbohydrates are most readily mobilised.

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Similar questions

The chief sinks for the mineral elements are__________.

Elements such as calcium, potassium, and phosphorus, needed by the plant in fairly large amounts are called:

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