MHT CET · BIOLOGY · STD 12 - 7. Plant Growth and Mineral Nutrition

Which one of the following occurs maximum during exponential growth phase in plants?

A Cell formation
B Cell elongation
C Cell differentiation
D Cell dedifferentiation

Verified Solution

Answer & Solution

Correct Answer

(B) Cell elongation

Step-by-step Solution

Detailed explanation

During the exponential growth phase, cells absorb water, become turgid, and enlarge, synthesizing new wall materials, resulting in maximum cell elongation.

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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ii.	Waxes	b.	Dioscorea
iii.	Diosgenin	C.	Myelin sheath
iv.	Cholesterol	d.	Sebaceous glands of the skin