The spore of Equisetum germinate shortly after shedding and gives rise to form prothallus. Prothalli of Equisetum are basically monoecious and the gametophytes are rarely seen. The simplest known sporophyte among bryophytes is that of Riccia while highest evolved known is Bryopsida (Polytrichum, Pogonatum). Sexual reproduction in Volvox is oogamous type. The spores in slime molds (e.g., Physarum) are haploid, unicellular, usually globose with smooth, spiny or reticulately thickened cell walls.
Read the following five statements and answer as asked next to them I. In Equisetum the female gametophyte is retained on the parent sporophyte. II.…
NEET UG 2012 — Botany Plant Kingdom
2012mcqmedium
Read the following five statements and answer as asked next to them I. In Equisetum the female gametophyte is retained on the parent sporophyte. II. In Ginkgo male gametophyte is not independent. III. The sporophyte in Riccia is more developed than that in Polytrichum. IV. Sexual reproduction in Volvox is isogamous. V. The spores of slime molds lack cell walls How many of the above statements are correct?
Official previous-year question
Held on 30 Apr 2012 · Verified 9 Jul 2026.
Options
- A
Two
- B
Three
- C
Four
- D
One
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