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Importance of Sexual Reproduction in Plants

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Importance of Sexual Reproduction in Plants

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Questions and Answers

Why do flowers have rich colors and scents according to the text?

For humans to enjoy visually and aromatically

To attract insects for pollination (correct)

To discourage herbivores

For protection against predators

What is the main purpose of the diversity of structures in inflorescences and flowers?

To ensure successful sexual reproduction (correct)

To provide shelter for insects

To prevent self-pollination

To deter herbivores

Why does the text mention that flowers do not exist only for human use?

To discourage humans from picking flowers

To show that flowers primarily serve a reproductive purpose

To emphasize the role of insects in pollination (correct)

To highlight the beauty of flowers in nature

How do flowering plants ensure the formation of fruits and seeds?

By adapting floral structures for pollination Signup and view all the answers

What is the significance of understanding the morphology and structure of sexual reproduction in flowering plants?

To ensure the successful production of fruits and seeds Signup and view all the answers

How many wall layers typically surround a microsporangium in a transverse section?

Four Signup and view all the answers

What is the function of the tapetum in a microsporangium?

Nutrition Signup and view all the answers

How do tapetal cells typically differ from other cells in the microsporangium?

They have more nuclei Signup and view all the answers

What kind of tissue occupies the center of a microsporangium when the anther is young?

Sporogenous tissue Signup and view all the answers

In microsporogenesis, what is the ploidy of the cells that form the microspore tetrads?

Haploid Signup and view all the answers

What is the main function of the filament in a stamen?

Supporting the anther Signup and view all the answers

In a typical angiosperm anther, what does the term 'dithecous' refer to?

Each lobe having two theca Signup and view all the answers

What is the most distinguishing feature of the transverse section of an anther?

Presence of four microsporangia Signup and view all the answers

How does the longitudinal groove in an anther contribute to its function?

Aids in pollen dispersal Signup and view all the answers

What happens to the microsporangia in an anther as they develop further?

Extend longitudinally within each lobe Signup and view all the answers

Why is it important to carefully observe and make diagrams of stamens from different species?

To appreciate variations in size and shape in nature Signup and view all the answers