Question
Only through labelled diagram show:
a) Vertical transverse section of a thallus of Marchantia.
b) L.S. capsule showing annulus and apophysis with stoma of Funaria.
c) T.S. of a young root Pinus sp. after secondary growth has been established.
d) T.S. of coralloid root of Cycas sp.
Answer :
Word Count : 566
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Here is a detailed answer with labelled diagrams described in text form. Since I cannot directly draw within the text, I will provide a clear schematic representation for each structure using ASCII-style labelling, which can easily be converted into proper diagrams for writing or digital submission. --- a) Vertical transverse section (V.T.S.) of a thallus of *Marchantia* ``` Upper Epidermis ___________________________________________ | | | Cuticle | |___________________________________________| | Chlorenchyma (photosynthetic tissue) | | - Contains chloroplasts | | - Air chambers (aeration) | |___________________________________________| | Lower Epidermis | | - Rhizoids (unicellular & multicellular)| | - Scales | |___________________________________________| ``` Labelled features: 1. Upper epidermis with cuticle 2. Chlorenchyma layer 3. Air chambers ______ ____ ___ _____ ________ ____ _______ _____ _____ ________ _____.
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