In mosses, the sporophyte developing from the embryo partially depends on the gametophyte. It contains chlorophyll and hence is capable of making its own food. Sporophyte is attached to the photosynthetic gametophyte so that it can get nourishment from the gametophyte. Some cells of the sporophyte undergo meiosis to produce haploid spores. The spores germinate to produce gametophyte. Related Theory When a moss spore germinates it first develops a protonema (sporophyte), a filamentous to sheet-like growth form. the leaves develop on the stems, giving rise to one or more leafy-stemmed plants. The protonema are ephemeral, with the leafy-stemmed plants the persistent and dominant growth form. The leafy-stemmed part is the gametophyte. because it produces gametes. Sex organs are multicellular. Male sex organ is called antheridium and produces biflagellate antherozoids. The female sex organ is called archegonium and produces a single egg.
In a moss the sporophyte:
NEET UG 2006 — Botany Plant Kingdom
In a moss the sporophyte:
Held on 30 Apr 2006 · Verified 9 Jul 2026.
Options
- A
manufactures food for itself, as well as for the gametophyte
- B
is partially parasitic on the gametophyte
- C
produces gametes that give rise to the gametophyte
- D
arises from a spore produced from the gametophyte
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The correct sequence of events in the life cycle of bryophytes is A. Fusion of antherozoid with egg. B. Attachment of gametophyte to substratum. C. Reduction division to produce haploid spores. D. Formation of sporophyte. E. Release of antherozoids into water. Choose the correct answer from the options given below :
In bryophytes, the gemmae help in which one of the following?
Which one of the following is the characteristic feature of gymnosperms?
Given below are the stages in the life cycle of pteridophytes. Arrange the following stages in the correct sequence. A. Prothallus stage B. Meiosis in spore mother cells C. Fertilisation D. Formation of archegonia and antheridia in gametophyte. E. Transfer of antherozoids to the archegonia in presence of water. Choose the correct answer from the options given below:
Match List-I with List-II. $\begin{array}{|l|l|l|l|}\hline & \text{List-I} & & \text{List-II} \\\hline \text{A}. & \text{Pteridophyte} & \text{(I)} & \text{Salvia} \\\hline \text{B.} & \text{Bryophyte} & \text{(II)} & \text{Ginkgo} \\\hline \text{C.} & \text{Angiosperm} & \text{(III)} & \text{Polytrichum} \\\hline \text{D.} & \text{Gymnosperm} & \text{(IV)} & \text{Salvinia} \\\hline\end{array}$ Choose the option with all correct matches.
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