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In tissue culture medium, the embryoids formed from pollen grains is due to:

1. cellular totipotency
2. organogenesis
3. double fertilization
4. test – tube culture

Correct answer: cellular totipotency

Solution

Embryoids from pollen grains arise because each pollen cell is totipotent, meaning it can dedifferentiate and develop into a complete plant under suitable culture conditions. This is not organogenesis or fertilization; it is the expression of a cell’s full developmental potential.

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