Through which cell of the embryo sac, does the pollen tube enter the embryo sac?

Question

Through which cell of the embryo sac, does the pollen tube enter the embryo sac? (A) egg cell (B) persistant synergid (C) degenerated synergids (D) central cell.

Tardigrade Admin · Accepted Answer

The pollen tube enters into the embryo sac at the micropylar end. This entry may be between egg and one synergid or between wall of embryo sac and synergid or through one synergid. So one synergid is always degenerated to allow the entry of the pollen tube.

Q. Through which cell of the embryo sac, does the pollen tube enter the embryo sac?

egg cell

persistant synergid

degenerated synergids

central cell.

The pollen tube enters into the embryo sac at the micropylar end. This entry may be between egg and one synergid or between wall of embryo sac and synergid or through one synergid. So one synergid is always degenerated to allow the entry of the pollen tube.