Home Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 12 PCB Select the incorrect statement(s) from the f…
Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 12 PCB Single Correct MCQ
Published on: August 12, 2026

Select the incorrect statement(s) from the following.

A
The 'bakanae' (foolish seedling) disease of rice seedlings, was caused by a fungal pathogen Gibberella fujikuroi. The active substances were later identified as auxin.
A only
B
Auxins control xylem differentiation and help in cell division.
B and C
C
Miller et al. (1955) identified and crystallised the cytokinesis promoting active substance that they termed kinetin.
C and D
D
Cousins confirmed the release of a volatile substance from ripened oranges that hastened the ripening of stored unripened bananas. Later it was identified as ethylene, a gaseous PGR.
D only

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The correct answer is:
A

The 'bakanae' (foolish seedling) disease of rice seedlings, was caused by a fungal pathogen Gibberella fujikuroi. The active substances were later identified as gibberellic acid.
All other statements are correct.

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