Arrange the following events in the correct chronological sequence regarding the development of a mature male gametophyte from a microspore mother cell (MMC) in a typical angiosperm: I. Asymmetric mitotic division of the microspore nucleus. II. Meiotic division of the microspore mother cell. III. Dissociation of the microspore tetrad. IV. Mitotic division of the generative cell to form two male gametes. V. Formation

Step-by-step solution

Refer: NCERT | Class 12 | Page: 6 - 7 | Paragraph: 1 - 2 The development of a mature male gametophyte from a microspore mother cell (MMC) in a typical angiosperm follows a specific sequence of events: The microspore mother cell (MMC) first undergoes meiotic division to form a cluster of four cells called a microspore tetrad (Event II). As the anther matures and dehydrates, the microspores dissociate from the tetrad and develop into individual pollen grains (Event III). Inside the pollen grain, the microspore nucleu