Question

1)difference between Mature ovule of Pinus and mature ovule of Cycas​

Answer 1

Answer:

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Explanation:

Female reproductive parts:

Megasporophylls are the ovule bearing organs. In Pinus and Ephedra the megasporophylls are forming compact cones while in Cycas the megasporophylls are borne in succession of the leaves and are not forming any cone. ... The ovules are borne on the margins of the sporophylls

Answer 2

Answer:

Cycas:

1. A small palm-like tree.

2. Plant body differentiated into root, stem and leaves; the roots are of two types- normal and coralloid.

3. In the beginning the stem is tuberous, later on becomes columnar, un-branched and covered with persistent leaf bases.

Pinus

1. A tall, branched tree.

2. Plant body differentiated into root, stem and leaves; tap roots and mycorrhizic roots.

3. Stem cylindrical, branched; the branches are of two types, i. e, branches of limited growth (dwarf shots) and branches of unlimited growth (long shoots).

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