Which of the following is not seen in red algae?

1. 2 unequal flagella 2. Cellulose cell wall
3. Phycoerythrin 4. Floridean starch

Subtopic:  Pheophyceae: Brown Algae |
 85%
From NCERT
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The bryophytes are also called as the amphibians of plants kingdom mainly because:
1. they respire through the moist epidermis
2. they depend on water for sexual reproduction
3. they require more water than most plants
4. they lack true roots

Subtopic:  Bryophytes |
 95%
From NCERT
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The given life cycle represents a/an:

1. Bryophyte
2. Pteridophyte
3. Gymnosperm
4. Angiosperm

Subtopic:  Life Cycle Patterns in Plants (OLD NCERT) |
 59%
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What is incorrect regarding bryophytes in general?
1. Sex organs are multicellular
2. Main plant body is haploid
3. Sporophyte is free living and photosynthetic
4. Zygotes do not undergo reduction division immediately

Subtopic:  Bryophytes |
 81%
From NCERT
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Identify the incorrectly matched pair:

1.

Numerical taxonomy

Based on all observable characteristics

2.

Cytotaxonomy

Based on chromosome number, structure and behavior

3.

Chemotaxonomy

Based on chemotrophic mode of nutrition

4.

Phylogenetic system

Based on evolutionary relationships

Subtopic:  Classification System |
 77%
From NCERT
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Which of the following would not be true regarding importance of algae?
1. They increase level of dissolved oxygen in water
2. Many can be used as food source
3. They are the source of most antibiotics known to man
4. Products like hydrocolloids [algin] and agar are useful to man

Subtopic:  Algae |
 76%
From NCERT
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Red algae photosynthesize at ocean depths greater than any other group of algae and hence can be found in deepest waters because they

1. contain a higher concentration of chlorophyll
2. have an extremely large surface area to capture the little amount of light that reaches them
3. contain the pigment phycoerythrin
4. periodically float to the surface and intercept light, then move back to the ocean floor
Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
 71%
From NCERT
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The given diagram shows:

1. Female thallus of Marchantia
2. Male thallus of Marchantia
3. Female thallus of Funaria
4. Male thallus of Funaria

Subtopic:  Bryophytes |
 81%
From NCERT
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Club mosses are:
1. psilotophytes
2. bryophytes
3. lycopodophytes
4. pteridophytes

Subtopic:  Bryophytes |
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Vegetative reproduction in mosses is by:
1. Fragmentation and budding in secondary protonema
2. Only budding in secondary protonema
3. Adventitious roots and budding in secondary protonema
4. Fragmentation and budding in sporophyte

Subtopic:  Bryophytes |
 86%
From NCERT
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