(D) $Stigeoclonium$ shows a heterotrichous habit,which is differentiated into a prostrate system and an erect system.In this type of growth,the thallu

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(D) $Stigeoclonium$ shows a heterotrichous habit,which is differentiated into a prostrate system and an erect system.In this type of growth,the thallus consists of a creeping prostrate portion that attaches to the substratum and an erect portion that grows upwards for photosynthesis and reproduction.

Class 11 Biology Plant Kingdom Algae (General)

Medium

Which of the following algae shows a heterotrichous habit?

A
$Oedogonium$
B
$Chlamydomonas$
C
$Ulothrix$
D
$Stigeoclonium$

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Class 11

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Chapter

Plant Kingdom

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Algae (General)

What type of algae is shown in the figure?

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In which of the following are the sex organs found to be exposed?

Medium

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Which statement is correct for $Chlorophyceae$?

Medium

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The study of algae is known as ........

Easy

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Match the Column-$I$ with Column-$II$:

Column-$I$ Column-$II$

$(a)$ Zoospores $(i)$ Fusion between one large non-motile female gamete and a smaller motile male gamete.

$(b)$ Isogamous $(ii)$ Flagellated (motile) asexual spores.

$(c)$ Anisogamous $(iii)$ Gametes can be flagellated and similar in size.

$(d)$ Oogamous $(iv)$ Fusion of two gametes dissimilar in size.

Choose the correct answer from the options given below:

Column-$I$	Column-$II$
$(a)$ Zoospores	$(i)$ Fusion between one large non-motile female gamete and a smaller motile male gamete.
$(b)$ Isogamous	$(ii)$ Flagellated (motile) asexual spores.
$(c)$ Anisogamous	$(iii)$ Gametes can be flagellated and similar in size.
$(d)$ Oogamous	$(iv)$ Fusion of two gametes dissimilar in size.