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Flower Anatomy and Reproduction

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Questions and Answers

What are the four main parts of a typical angiospermic flower?

Sepals, petals, stamens, and pistils

What is the difference between a bisexual and unisexual flower?

A bisexual flower contains both male and female reproductive parts, while a unisexual flower only has one of the reproductive parts.

What are the three parts of a stamen?

Anther, filament, connective

What is the function of the anther in a stamen?

The anther is the terminal and bilobed part of the stamen that contains pollen sacs. Signup and view all the answers

Where are the pollen sacs located in an anther?

The pollen sacs are located at the corners, two in each lobe. Signup and view all the answers

What are the wall layers that surround the microsporangium or pollen sac?

Epidermis, Endothecium, Middle layers, Tapetum Signup and view all the answers

What is the function of the first two wall layers (epidermis and endothecium) of the microsporangium?

Protection and help in dehiscence of anther to release the pollens Signup and view all the answers

What is the role of the middle layers and tapetum in the microsporangium?

Nourishes the developing pollen grains Signup and view all the answers

What is the term used to describe a group of compactly arranged homogenous cells in the microsporangium?

Sporogenous tissues Signup and view all the answers

What is the name of the process of formation of microspores from a pollen mother cell?

Microsporogenesis Signup and view all the answers