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Plant Kingdom

Question
CBSEENBI11003465
Wired Faculty App

Which of the following are homosporous pteridophytes?

I. Selaginella

II. Lycopodium

III. Salvinia

IV. Equisetum

  • I and IV only

  • II and III only

  • II and IV only

  • III and IV only

Solution

C.

II and IV only

Genera like Selaginella and Salvinia which produce two kinds of spores, macro (large) and micro (small) spores, are known as heterosporous pteridophytes. Lycopodium and Equisetum are homosporous pteridophytes i.e. they produce only one type of spores.

Some More Questions From Plant Kingdom Chapter

Both gymnosperms and angiosperms bear seeds, then why are they classified separately? 

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(ii) antheridium
(iii) archegonium
(iv) diplontic
(v) sporophyll
(vi) isogamy

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Differentiate between the following:
liverworts and moss

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homosporous and heterosporous pteridophyte

Differentiate between the following:
syngamy and triple fusion

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Match the followings (column I with column II)  

Describe the important characteristics of gymnosperms. 

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