NEET2003BotanyAnatomy of Flowering PlantsActual
In a flowering plant, archesporium gives rise to:
Options
- Aonly the wall of the sporangium
- Bboth wall and the sporogenous cells
- Cwall and the tapetum
- Donly tapetum and sporogenous cells
Correct answer
B. both wall and the sporogenous cells
Step-by-step solution
Archesporium is a cell or cell structure in a sporophyte from which spores may later develop during the alternate generation. Archesporium cell divides into the primary parietal cell which later forms the anther wall and primary sporogenous cells which form the microspore mother cell. Primary parietal wall after few more periclinal divisions forms anther wall and sporogenous cells give rise to sporogenous tissue. Related Theory The pollen grain grows into the male gametophyte on germination which is initiated befor