Question

3. Strobili consisting micro - and megasporangia are found in-...
(a) Pteris (b) Selaginella (c) Psilotum (d) Equisetum​

Answer 1

Answer:

Answer: Conifers. Pollen strobili of Pinophyta are similar to those of cycads (although much smaller) and Ginkgoes in that they are composed of microsporophylls with microsporangia on the abaxial surface.

Explanation:

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Answer 2

The correct answer is OPTION D: Equisetum.

• Many terrestrial plant species have strobili, or sporangia-bearing structures densely clustered along a stem.
• Some botanists argue that the term cone exclusively applies to coniferous woody seed strobili.
• A center axis, which could be modified leaves or stems, is surrounded by spirally organized or decussate structures.
• Sporophylls and sporangiophores, respectively, are sporangia-bearing leaves and stalks.