MCQ
In Riccia / Bryophytes
- ✓Sporophyte is parasitic over gametophyte
- BGametophyte is parasitic over sporophyte
- CSporophyte is independent of gametophyte
- DSporophyte is semiparasite
Thus there is heteromorphic or heterologous alternation of generations in Riccia. So life cycle in Riccia is diplohaplontic.
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$(1)$ The meristem which present at the tips of roots and shoots are called apical meristem
$(2)$ Apical meristem are secondary meristem
$(3)$ Intercalary meristem is the meristem that occurs in the mature region of roots and shoots of many plants and appear later than primary meristem :
$(4)$ Fascicular vascular cambium and interfascicular cambium are lateral meristem
$I.$ the chromosome number is reduced to haploid state
$II.$ the amount of $DNA$ is reduced to haploid state
The correct option is