Question

Identify the structures marked A to F in the given diagram.

• A. A-Asymmetric nucleus, B-Nucleus, C-Generative cell, D-Vegetative cell, E-Pollen, F-Pollen tetrad
• B. A- Pollen tetrad, B- Pollen, C-Generative cell, D-Vegetative cell, E-Asymmetric spindle, F-Nucleus
• C. A-Pollen tetrad, B-Vacuole, C-Nucleus, D-Asymmetric spindle, E-Vegetative cell, F-Generative cell
• D. A-Vacuole, B-Nucleus, C-Pollen tetrad, D-Vegetative cell, E-Asymmetric spindle, F-Generative cell

Answer 1

The correct option is C A-Pollen tetrad, B-Vacuole, C-Nucleus, D-Asymmetric spindle, E-Vegetative cell, F-Generative cell


Pollen tetrad (A) is the cluster of four cells formed from pollen mother cell (PMC) during microsporogenesis. Microspore has large vacuoles (B) and nucleus (C) at the initial stage of microsporogenesis. The microspore undergoes cell division with the help of asymmetric spindle (D) resulting in the formation of vegeative cell (E) and generative cell (F). The mature pollen grain has a vegeative cell (E) and a generative cell (F). Hence, the correct option is: A-Pollen tetrad, B-Vacuole, C-Nucleus, D-Asymmetric spindle, E-Vegetative cell, F-Generative cell.