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Describe double fertilization,जड़ के शीर्षस्थ प्रतिभाजी ऊतक को समझाइये।D escribe Root apical meristem.​

Answer»

Answer:

Double fertilization is a complex fertilization MECHANISM of flowering plants. This process involves the joining of a female gametophyte with two male GAMETES. It begins when a pollen grain adheres to the stigma of the carpel, the female reproductive structure of a flower.

Explanation:

The root apical meristem, or root apex, is a small region at the tip of a root in which all cells are capable of repeated division and from which all primary root tissues are derived. The root apical meristem is protected as it passes through the soil by an OUTER region of living parenchyma cells called the root cap.


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