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The bending of the stem of a plant towards a source of light is caused by the action of a phytohormone known as : (a) abscisic acid (b) auxin (c) gibberellins (d) cytokinin |
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Answer» The bending of the stem of a plant towards a source of light is caused by the action of a phytohormone known as : (a) abscisic acid (b) auxin (c) gibberellins (d) cytokinin |
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