Sporogenous Tissue in Anther — NEET Biology
📚 Practice ConceptWhen the anther is young, a group of compactly arranged homogenous cells called the sporogenous tissue occupies the centre of each microsporangium.
Arrange the following events in the correct sequence that occur during pre-fertilisation development in the anther: 1. Differentiation of sporogenous tissue 2. Formation of microsporangia 3. Archesporial cell formation 4. Division of parietal layer to form wall layers 5. Tapetum development
View solution & NCERT explanation
Correct answer: D — 2 → 3 → 4 → 1 → 5
First, the anther develops microsporangia (2) which contain archesporial cells (3). These cells divide periclinally to form outer parietal layers and inner sporogenous tissue (4). The sporogenous tissue (1) gives rise to microspore mother cells. One of the wall layers formed is the tapetum (5), which is nutritive and essential for pollen development.
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