the gametophytic plant body of a mass and fun are called (a) antheridium (b) sporophyll (c) protonema (d) archegonia
Answers
Answer:
(b) sporophyll
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Question
The gametophytic plant body of a moss and fern are called
(a) antheridium
(b) sporophyll
(c) protonema
(d) archegonia
Answer
b) sporophyll
About the topic
Moss
The predominant stage of the life cycle of a moss is the gametophyte which consists of two stages. The first stage Is the protonema stage, which develops directly from a spore. It is a creeping, green, branched and frequently filamentous stage. The second stage is the leafy stage, which develops from the secondary protonema as a lateral bud. They consist of upright, slender axes bearing spirally arranged leaves. They are attached to the soll through multicellular and branched rhizoids. This stage bears the sex organs.
Fern
Dryopterisis a common fern with pinnately-compaund leaves. The main plant-body is sporophytic Many sporangia are borne on the lower surfaces of its mature leaves Each sporangium has spore mother cells which undergo meiosis to produce haploid spores. On maturing, these spores dehisce and germinate to give rise to a heart-shaped gametophyte called prothallus