Question

i) L.S. of the mature sporophyte of Marchantia
ii) Antheridium in Sphagnum
iii) Mature archaegonium of Funaria
iv) Capsule of Funaria

13 Mar 2023
Answer :
Word Count : 530

i) L.S. of the mature sporophyte of Marchantia:

The mature sporophyte of Marchantia, a liverwort plant, has a capsule or sporangium at its tip that produces spores. A longitudinal section (L.S.) of the mature sporophyte will show the internal structure of the capsule and surrounding tissues. The capsule is surrounded by a jacket layer, which is composed of sterile cells that protect the developing spores. The jacket layer is then surrounded by the epidermis, which is a single layer of cells that covers the surface of the capsule. Inside the jacket layer, there is a layer of cells called the archesporium, which gives rise to the ______ ____ ________ ________ ______ __________ _______ ____ _____ _______ ____.
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