Seed of Pinus shows three generations as

Options

A. Parent sporophyte, gametophyte and future sporophyte
B. Parent gametophyte, sporophyte and future gaemtophyte
C. Paent sporphyte, sporophyte, future gametophyte
D. None of these

Answer

a

Explanation

The seed of Pinus:
(1) Parent 2n, sporophyte represented by wing, testa tegmen and perisperm (nucellus).
(2) Female gametophyte (n) represented by endosperm.
(3) Future sporophyte (2n) represented by embryo (Plumule, radicle, suspensor and cotyledons).