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Height of a plant is regulated by:
(a) DNA which is directly influenced by growth hormone.
(b) Genes which regulate the proteins directly.
(c) Growth hormones under the influence of the enzymes coded by a gene.
(d) Growth hormones directly under the influence a gene.
Answer:
(c) Growth hormones under the influence of the enzymes coded by a gene.
The growth of a plant and its height are regulated by growth hormones. The production of growth hormones is controlled by enzymes and enzyme activity is in turn controlled by genes
