કોના જૈવમાપન માટે એવેના વક્રનો ઉપયોગ થાય છે ?

A \(IAA\)
B ઇથિલિન \((Ethylene)\)
C \(ABA\)
D જીબરેલિન્સ \(GA_3\).

Verified Solution

Answer & Solution

Correct Answer

(A) \(IAA\)

Step-by-step Solution

Detailed explanation

(a) : Avena curvature test is a test based on the experiments of Went \((1928)\) which can measure auxin upto \(300\ mg/litre\). Indole \(3\) - Acetic Acid \((IAA)\) is a universal natural auxin and Avena curvature test may serve as an accurate bioassay for this plant hormone.

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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