Ncert Exercises & Solutions

A plant species shows several morphological variations in response to altitudinal gradient. When grown under similar conditions of growth, the morphological variations disappear and all the variants have common morphology. What are these variants called?

class 11
These variants are called biotypes. It is a group of genetically similar plants showing
similarity when grown in same environmental and geographical regions. The same provide them the similar abiotic factorslike soil, PH, temperature, etc.
When they are grown in two different geographical regions, they are exposed to different abiotic characters external thus, it affects their growth and development bringing changes in their morphological features but, they have the same genetic constitution.

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