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Which of the following are plant hormones?

A. Insulin

B. Auxin

C. Thyroxin

D. Cytokinin

Choose the correct answer from the options given below:

Solution

✅ Correct Option: 3

Auxin and cytokinin are phytohormones: auxin drives cell elongation and apical dominance, cytokinin promotes cell division. Insulin (pancreas) and thyroxine (thyroid) are animal hormones. Hence only B and D qualify.

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