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Biology

General

Easy

Question

Which of the following pteridophytes is heterosporous in nature?

Selaginella and Salvinia
Adiantum and Equisetum
Psilotum and Lycopodium
Adiantum and Psilotum

The correct answer is: Selaginella and Salvinia

Genera like Selaginella and Salvinia, which produce two kinds of spores, macro (large) and micro (small) spores are known as heterosporous

Related Questions to study

Observe the diagrams given below and choose the correct option out of $A$ of $C$ , in which all the three items $A comma blank B$ and $C$ are rightly identified

Observe the diagrams given below and choose the correct option out of $A$ of $C$ , in which all the three items $A comma blank B$ and $C$ are rightly identified
BiologyGeneral

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In angiosperms endosperm is

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Sago starch is obtained from

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I) Iyenger
II) Swaminathan
III) Metha
IV) Maheswari

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II) Swaminathan
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Which of the following is the amphibians of the plant kingdom?

In liverworts asexual reproduction takes place by

In liverworts asexual reproduction takes place by

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In gymnosperm dominant phase is

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II) In this class, sexual reproduction is oogamous and accompanied by complex post-fertilisation developments
III) The common members are $P o l y s i p h o n i a comma blank P o r p h y r a comma blank G r a c i l a r i a$ and $G e l i d i u m$
The above characteristics are belongs to which class of algae

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I) They reproduce asexually by non-motile spores and sexually by non-motile gametes
II) In this class, sexual reproduction is oogamous and accompanied by complex post-fertilisation developments
III) The common members are $P o l y s i p h o n i a comma blank P o r p h y r a comma blank G r a c i l a r i a$ and $G e l i d i u m$
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Which of the following are called vascular cryptogams?

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$C y c a s$ leaflets are

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In the angiosperm ovule, central cell of the embryo sac prior to the triple fusion, contains

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