Question

name the bryophyte having nostoc colonies in the thallus:
(a) Riccia (b) marchantia (c) anthoceros (d) pogonatum​

Answer 1

option 1 is ans

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Answer 2

(b) Marchantia is the bryophyte consisting nostoc colonies in the thallus.

Explanation for the answer:

• Marchantia is a genus of liverworts in the family Marchantiaceae and the order Marchantiales.
• The thallus of Marchantia shows differentiation into basically two layers:
• an upper photosynthetic layer having a well-defined upper epidermis consisting of pores and,
• a lower storage layer.
• Hence, the correct answer among all the options is option (b) marchantia.

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