The flaps of the anther consist of a layer of strongly lignified endothecial cells (Fig. 4 f). The microsporangia contain pollen grains (Fig. 4 f). In the pistillate flowers, the staminodes have a ...

The male cones form at the nodes of stems, and they sprout microsporangia, which release wind-dispersed pollen. At the top of the page: The yellow cones of a male green ephedra appear in spring on the ...

The microsporangia are those yellow things that some people (including me) first take as flowers. Females bear macrosporangia which, after pollination, produce seeds.

All questions are compulsory Illustrate your answers with labelled diagrams wherever necessary. Marks allotted to each questions are mentioned against it. UP Board Class 12 Biology Model Paper ...

Mitotic and meiotic analyses using conventional and fluorescent stains were employed in plants (accession ETBAZ 055 - origin: Capão do Leão, Rio Grande do Sul State, Brazil) from the Germplasm Active ...

Heteroblasty refers to a phenomenon that a plant produces morphologically or functionally different lateral organs in an age‐dependent manner. In the model plant Arabidopsis thaliana, the production ...

Sexual Reproduction in Flowering Plants-CBSE Class 12th NCERT Solution Get, detailed solutions to the questions of the chapter Sexual Reproduction in Flowering Plants from NCERT textbooks ...

Figure 1. Model for evolution of MADS box genes in non-seed plants. MIKC-type MADS proteins seem to have evolved in streptophytes (700 MYA) by addition of K domain from a MEF2-like ancestor in ...