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Regarding 1,2 and 3: 1. Life cycle of plants has two distinct phases 2. The diploid gametophytic phase and the haploid sporophytic phase - that alternate with each other. 3. This phenomenon is called alternation of generation.

( a ) 3 is incorrect but 1 and 2 are correct
( b ) 1 is incorrect but 2 and 3 are correct
( c ) 2 is incorrect but 1 and 3 are correct
( d ) All are correct
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1 Answer

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(C) is the right answer.

Life cycle of plants has two distinct phases – the diploid sporophytic and the haploid gametophytic – that alternate with each other. The lengths of the haploid and diploid phases, and whether these phases are free– living or dependent on others, vary among different groups in plants. This phenomenon is called alternation of generation.
answered Mar 20, 2014 by pady_1
 

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