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In bryophytes, the gemmae help in which one of the following?
A
Sexual reproduction
B
Asexual reproduction
C
Nutrient absorption
D
Gaseous exchange
Explanation
Gemmae are multicellular asexual reproductive propagules in liverworts (e.g. Marchantia).
Detailed Solution
Asexual reproduction in liverworts takes place by fragmentation or through specialized asexual buds called gemmae produced in gemma cups on the dorsal thallus surface.