Phytohomones are (a) chemicals regulating flowering (b) chemicals regulating secondary growth
Phytohomones are
(a) chemicals regulating flowering
(b) chemicals regulating secondary growth
(c) hormones regulating growth from seed to adulthood
(d) regulators synthesised by plants and influencing physiological processes
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The correct option is (d) regulators synthesised by plants and influencing physiological processes.
Explanation:
Phytohormones (Thimann, 1948) are the plant hormones, i.e. the organic substances which are naturally produced in plants, control the growth or other physiological functions at a site away from their place of synthesis and active in extremely minute quantities.
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