Cell wall of green algae is made up of

1. Inner layer of chitin and outer layer of pectose.

2. Inner layer of cutin and outer layer of pectin.

3. Inner layer of pectose and outer layer of cellulose.

4. Inner layers of cellulose and outer layer of pectose.

 

Subtopic:  Algae |
 84%
From NCERT
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Out of the following four statements how many of them are correct for Fucus.
I.  Life – cycle is diplontic.
II. Fertilisation is internal.
III. Sexual reproduction is Oogamous.
IV.  Frond is photosynthetic.
1. 4
2. 3
3. 2
4. 1

Subtopic:  Algae |
 50%
From NCERT
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Which of the following is not an example of algae in which there is post – fertilization development process?
1. Laminaria
2. Porphyra
3. Polysiphonia
4. Batrachospermum

Subtopic:  Algae |
 54%
From NCERT
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Fresh water form is rare in which algal group
1. Red Algae
2. Brown algae
3. Green Algae
4. Both 1. and 2.

Subtopic:  Pheophyceae: Brown Algae |
From NCERT
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Which of the following is not matched correctly?

1. Artificial system of classification – Equal weightage to the vegetative and sexual character.
2. Natural system of classification – Based on natural affinities.
3. Phylogenetic system – Common ancestor for unrelated taxa.
4. Numerical taxonomy – Equal importance to all characters.

Subtopic:  Classification System: I | Classification System: II | Classification System |
 77%
From NCERT
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Which of the following character is common for all algal group.
1.Presence of cellulose in cell – wall.
2.Starch is reserve food material.
3.Presence of motile stage.
4. Only oogamous type of sexual reproduction.

Subtopic:  Algae |
 77%
From NCERT
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Study the diagram given below, and find out how many of the statements given below is related to this diagram.

I. It is source of food.
II. Its wall has poly sulphated esters.
III. Its reserve food is similar to glycogen in structure.
IV. There is no motile stage in its life – cycle.
1. 1
2. 2
3. 3
4. 4

Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
 66%
From NCERT
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Pyrenoids in green algae is located in?
1. Cytoplasm
2. Chloroplast
3. Vacuole
4. Flagella

Subtopic:  Chlorophyceae: Green Algae: I | Chlorophyceae: Green Algae: II | Chlorophyceae: Green Algae: III | Chlorophyceae: Green Algae |
 88%
From NCERT
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Following diagram represents a class of algae.

Find out odd statement related to this class of algae.
1. In protoplast a centrally located vacuole is present.
2. Body colour depends upon concentration of fucoxanthin.
3. Pyriform zoospore with laterally inserted unequal flagella.
4. Food is stored in form of simple carbohydrate.

Subtopic:  Chlorophyceae: Green Algae: I | Chlorophyceae: Green Algae: II | Chlorophyceae: Green Algae: III | Chlorophyceae: Green Algae |
 71%
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Along with Lichens which group of plant play important role when succession takes place on rock.
1. Algae
2. Bryophytes
3. Pteridophytes
4. Angiosperm

Subtopic:  Bryophytes |
 79%
From NCERT
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