Plant KingdomMedium
Question
A well developed archegonium with neck consisting of 4-6 rows of neck canal cells, characterises
Options
A.gymnosperms only
B.bryophytes and pteridophytes
C.pteridophytes and gymnosperms
D.gymnosperms and flowering plants
Solution
Archegonium is the flask-shaped female reproductive body of bryopytes and pteridophytes. Archegonium usually consists of a tubular neck and a swollen venter. Neck is made up of 4-6 verticl row of cells and encloses 6-10 neck canak cells in bryophytes and 4 vertical rows in pteridophytes enclosing 1-4 neck canal cells. Venter has 1-2 layer but it is wall-less in pteridophytes.
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