In Pinus/gymnosperms, the haploid structure are

Question

In Pinus/gymnosperms, the haploid structure are (A) megaspore, endosperm and embryo (B) megaspore, pollen grain and endosperm (C) megaspore, integument and root (D) pollen grain, leaf and root.

Tardigrade Admin · Accepted Answer

In Pinus/gymnosperms, endosperm is produced before fertilization and hence it is haploid. Megaspore and pollen grains are structures of male gametophytes and it is also haploid.

Q. In Pinus/gymnosperms, the haploid structure are

megaspore, endosperm and embryo

megaspore, pollen grain and endosperm

megaspore, integument and root

pollen grain, leaf and root.

In Pinus/gymnosperms, endosperm is produced before fertilization and hence it is haploid. Megaspore and pollen grains are structures of male gametophytes and it is also haploid.