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Which of the following cannot fix nitrogen?

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Important Questions on Plant Kingdom

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Biology>Diversity in The Living World>Plant Kingdom>Algae
Phycoerythrin is the major pigment in:
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Biology>Diversity in The Living World>Plant Kingdom>Algae
An alga which can be employed as food for human beings:
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Biology>Diversity in The Living World>Plant Kingdom>Algae
Floridean starch has structure similar to
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Biology>Diversity in The Living World>Plant Kingdom>Algae
The plant body having holdfast, stipe and frond is a characteristic of:
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Biology>Diversity in The Living World>Plant Kingdom>Algae
Which one of the following statements is wrong?
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Biology>Diversity in The Living World>Plant Kingdom>Algae
Find incorrect statements from the following.
A) The cell wall of Gracilaria has an outside gelatinous coating.
B) Dictyota has flagellated spermatium.
C) Hornworts show haplodiplontic life cycle.
D) Volvox zygote acts as a zoospore.
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Biology>Diversity in The Living World>Plant Kingdom>Algae
Which of the following pairs is of unicellular algae?
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Biology>Diversity in The Living World>Plant Kingdom>Algae
In algae, vegetative reproduction mainly takes place by:
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Biology>Diversity in The Living World>Plant Kingdom>Algae
An example of colonial alga is
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Biology>Diversity in The Living World>Plant Kingdom>Algae

Identify the figures given below marked as A, B, C, and D.

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Biology>Diversity in The Living World>Plant Kingdom>Algae
Which of the following algae contains mannitol as reserve food material?
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Biology>Diversity in The Living World>Plant Kingdom>Algae
Isogamous reproduction and flagellated gametes can be observed in
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Biology>Diversity in The Living World>Plant Kingdom>Algae
Which of the following algae produce carrageen?
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Biology>Diversity in The Living World>Plant Kingdom>Algae
Acronematic flagella are seen in ___.
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Biology>Diversity in The Living World>Plant Kingdom>Algae
Assertion (A): In haplontic life cycle zygote acts as meiocyte.
Reason (R): In Spirogyra, non flagellated gametes will fuse to form zygote.
The correct option among the following is:
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Biology>Diversity in The Living World>Plant Kingdom>Algae
In Oogamy, fertilization involves ________
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Biology>Diversity in The Living World>Plant Kingdom>Algae
Study the following table and pick up the correct combinations:
S.No Type of flagellum Type of flagellum Example
I Pantonematic One row Euglena
II Stichonematic Two rows Astasia
III Acronematic Absent Polytoma
IV Pantacronematic Two or more rows Urceolus
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Biology>Diversity in The Living World>Plant Kingdom>Algae
Which one of the following is wrong about Chara?
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Biology>Diversity in The Living World>Plant Kingdom>Algae
Which one of the following statements is wrong?
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Biology>Diversity in The Living World>Plant Kingdom>Algae
Which one is wrongly matched?