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Question : A root system is extensively branched and bears a very large number of delicate root tips. How do the root tips manage to penetrate the hard core of soil?

Answer»

Solution :The cells of root cap SECRETE a MUCILAGINOUS substance that acts as a LUBRICANT. It facilitates the tender root tips to ENTER the hard crust of the soil.
Root cap is composed of parenchymatous cells and these cells store the starch. The starch grains are responsible for geotropism


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