The bryophyte with most economic importance will be:

1. peat moss 2. liverwort
3. hornwort 4. Polytrichum
Subtopic:  Bryophytes |
 89%
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Consider the given two statements:
Assertion (A): Bryophytes are also called amphibians of the plant kingdom.
Reason (R): Bryophytes play an important role in plant succession on bare rocks/soil.
 
1. Both (A) and (R) are True and (R) explains (A)
2. Both (A) and (R) are True and (R) does not explain (A)
3. (A) is True but (R) is False
4. (A) is False but (R) is True
Subtopic:  Bryophytes |
 84%
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Thallus like plant body, attached to substratum by rhizoids, requiring water for sexual reproduction and a dominant gametophyte characterise:
1. Pteridophytes 2. Gymnosperms
3. Monocots 4. Bryophytes
Subtopic:  Bryophytes |
 91%
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Regarding bryophytes:
I: The main plant body is haploid.
II: The sex organs are multicellular.
III: The sporophyte is not free-living.
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic:  Bryophytes |
 78%
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Antheridium of bryophytes produce _______ antherozoids.

1. Non-motile 2. Uni-flagellate
3. Biflagellate 4. Ciliate
Subtopic:  Bryophytes |
 85%
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All the following are characteristics of bryophytes except:
1. spore producing
2. dominant gametophyte
3. lignified tissues
4. producing antheridium and archegonium

Subtopic:  Bryophytes |
 87%
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How many of the given statements regarding sexual reproduction in Bryophytes are true?
I: The sex organs in bryophytes are multicellular.
II: The male sex organ is called antheridium and they produce biflagellate antherozoids.
III: The female sex organ called archegonium is flask-shaped and produces a single egg.
IV: The antherozoids are released into water where they come in contact with archegonium.
V: Zygotes undergo reduction division immediately.
1. 2
2. 3
3. 4
4. 5
Subtopic:  Bryophytes |
 74%
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Which of the following statement will not be true regarding bryophytes?
1. They are dependent on water for sexual reproduction.
2. Archegonium is flask shaped and produces multiple eggs.
3. Sporophyte is attached to the photosynthetic gametophytes and derives nourishment from it.
4. The antherozoids are released into water.
Subtopic:  Bryophytes |
 88%
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In bryophytes:
I: Zygotes undergo reduction division immediately.
II: The sporophyte is not free-living but attached to the photosynthetic gametophyte and derives nourishment from it.

1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  Bryophytes |
 79%
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Study the Assertion statement followed by the Reason statement given below:
Assertion (A): Peat moss is used as packing material for trans-shipment of living material.
Reason (R): Peat moss has a good capacity to hold water.
 
1. (A) is True and (R) is False.
2. Both (A) and (R) are True and (R) is a correct explanation of (A).
3. Both (A) and (R) are True but (R) is not a correct explanation of (A).
4. (A) is False and (R) is True.
Subtopic:  Bryophytes |
 92%
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