Question

Compare the various reproductive parts of pteridophytes and gymnosperms with those of angiosperms.

Answer 1

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Answer:

The male and female reproductive organs of several pteridophytes and gymnosperms are comparable to floral structures of angiosperms. Make an attempt to compare the various reproductive parts of pteridophytes and gymnosperms with rep roductive structures of angiosperms.

Reproductive parts of pteridophytes and gymnosperms

(i) Strobili/cone

(ii)Microsporophyll

(iii)Megasporophyll

(iv)Microsporangium

(v)Megasporangium  

Reproductive structures of angiosperms

(i) Flower

(ii)Stamen

(iii)Pistil/Carpel

(iv)Anther

(v)Ovule

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Answer 2

Answer:

Gymnosperm reproduction differs from that of angiosperms in several ways. In angiosperms, the female gametophyte in the ovule exists in an enclosed structure, the ovary; in gymnosperms, the female gametophyte is present on exposed bracts of the female cone and is not enclosed in an ovary. In angiosperms, the pistil is the female reproductive structure found in flowers, and consists of the stigma, style, and ovary. There are two parts to an angiosperm: a male part and a female part. Angiosperms, also called flowering plants, have seeds that are enclosed within an ovary (usually a fruit), while gymnosperms have no flowers or fruits, and have unenclosed or “naked” seeds on the surface of scales or leaves.

Explanation: