CBSE Class 10 Answered
why do roots always grow downwards?
Asked by manoj255 | 08 Feb, 2010, 10:12: AM
Expert Answer
Plant roots are positively geotropic and negatively phototropic. Hence they will avoid light and grow towards gravity into the soil. Also, the plant roots grow down to find water and minerals.
Answered by | 09 Feb, 2010, 07:27: AM
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