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Pteridophytes

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Questions and Answers

Which of the following is true about pteridophytes?

They are commonly used for medicinal purposes.

They are the first terrestrial plants to possess vascular tissues. (correct)

They have a dominant gametophytic plant body.

They are found in hot and dry environments.

What is the main plant body in pteridophytes?

Gametophyte

Sporophyte (correct)

Stem

Root

What are the two types of leaves found in pteridophytes?

Sporangia and sporophylls

Microphylls and macrophylls (correct)

Antheridia and archegonia

Xylem and phloem

What structures subtend the sporangia in pteridophytes?

Sporophylls Signup and view all the answers

What do the sporophytes in pteridophytes bear?

Sporangia and sporophylls Signup and view all the answers

What do the spore mother cells in pteridophytes produce?

Spores Signup and view all the answers

What do the spores in pteridophytes germinate to give rise to?

Gametophytes Signup and view all the answers

Where do the gametophytes in pteridophytes grow?

Cool and damp places Signup and view all the answers

What are the male and female sex organs called in pteridophytes?

Antheridia and archegonia Signup and view all the answers

What is required for transfer of antherozoids in pteridophytes?

Water Signup and view all the answers

Which of the following is true regarding the life cycle of pteridophytes?

The sporophyte is the dominant phase Signup and view all the answers

What is the term used for plants that produce two kinds of spores, macro and micro spores?

Heterosporous Signup and view all the answers

What do megaspores and microspores give rise to in heterosporous plants?

Female and male gametophytes Signup and view all the answers

In heterosporous plants, where are the female gametophytes retained?

On the parent sporophytes Signup and view all the answers

What is the precursor to the seed habit considered in pteridophytes?

Development of embryos Signup and view all the answers

How many classes are pteridophytes classified into?

Four Signup and view all the answers

Which class of pteridophytes does Dryopteris belong to?

Pteropsida Signup and view all the answers

Which of the following is not a class of pteridophytes mentioned in the text?

Bryopsida Signup and view all the answers

What is the term used for plants that produce only one kind of spore?

Homosporous Signup and view all the answers

Which of the following is the correct order of the pteridophyte life cycle?

Spores -> Gametophytes -> Zygotes -> Embryos Signup and view all the answers

Pteridophytes

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Podcast

Questions and Answers

Which of the following is true about pteridophytes?

What is the main plant body in pteridophytes?

What are the two types of leaves found in pteridophytes?

What structures subtend the sporangia in pteridophytes?

What do the sporophytes in pteridophytes bear?

What do the spore mother cells in pteridophytes produce?

What do the spores in pteridophytes germinate to give rise to?

Where do the gametophytes in pteridophytes grow?

What are the male and female sex organs called in pteridophytes?

What is required for transfer of antherozoids in pteridophytes?

Which of the following is true regarding the life cycle of pteridophytes?

What is the term used for plants that produce two kinds of spores, macro and micro spores?

What do megaspores and microspores give rise to in heterosporous plants?

In heterosporous plants, where are the female gametophytes retained?

What is the precursor to the seed habit considered in pteridophytes?

How many classes are pteridophytes classified into?

Which class of pteridophytes does Dryopteris belong to?

Which of the following is not a class of pteridophytes mentioned in the text?

What is the term used for plants that produce only one kind of spore?

Which of the following is the correct order of the pteridophyte life cycle?

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