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In liverworts: 1. Asexual reproduction takes place by fragmentation of thalli 2. Sexual reproduction takes place by formation of gemmae 3. Gemmae are green, unicellular, buds 4. Gemmae develop in small receptacles - gemma cups located on the thalli. 5. The gemmae become detached from the parent body and germinate to form new individuals. Regarding 1,2,3,4 and 5:

( a ) 1 and 2 are incorrect; 3,4 and 5 are correct
( b ) 2 and 3 are incorrect; 1,4 and 5 are correct
( c ) 5 is incorrect; 1,2,3 and 4 are correct
( d ) 4 is incorrect; 1,2,3 and 5 are correct
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(B) is the right answer.

Asexual reproduction in liverworts takes place by fragmentation of thalli, or by the formation of specialised structures called gemmae (sing. gemma). Gemmae are green, multicellular, asexual buds, which develop in small receptacles called gemma cups located on the thalli. The gemmae become detached from the parent body and germinate to form new individuals.
answered Mar 20, 2014 by pady_1
 

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