Phytohormones are :
Correct answer: D. Regulators synthesised by plants and influencing physiological presses.
- A. Chemical regulating flowering
- B. Chemical regulating secondary growth
- C. Hormones regulating growth from seed to adulthood
- D. Regulators synthesised by plants and influencing physiological presses.
Explanation
d) : Growth hormones or phytohormones are defined as organic substances which are synthesized in minute quantities in one part of the plant body and transported to another part where they influence specific physiological processes. Phytohormones are chemical substances which are synthesized by plants and are naturally occurring.
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