Question

Seeds are called products of sexual reproduction because they
give rise to new plants.
(B) are formed by fusion of gametes.
are formed by the fusion of pollen tubes.
can survive for a longer period​

Answer 1

The fusion of the gamete results in the formation of the zygote which develops to form the embryo. ... Since, there is fusion of two gametes which belong to different sexes of flower, the process of seed and fruit formation from plant is known as sexual reproduction.

Seeds are called as products of sexual reproduction because in their formation both male and female gametes are involved. The megasporangium produces spores that develop into megagametophyte (embryo sac). The megagametophyte (female gamete) produce one or more egg cells.

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Answer 2

Explanation:

The fusion of the gamete results in the formation of the zygote which develops to form the embryo. ... Since, there is fusion of two gametes which belong to different sexes of flower, the process of seed and fruit formation from plant is known as sexual reproduction.

Seeds are called as products of sexual reproduction because in their formation both male and female gametes are involved. The megasporangium produces spores that develop into megagametophyte (embryo sac). The megagametophyte (female gamete) produce one or more egg cells.