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In numerical taxonomy

(1) All the characters are given equal importance

(2) All the characters are given unequal importance

(3) And at the same time, hundreds of characters can be considered

(4) Both A and C

Subtopic:  Classification System: I | Classification System |
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Cytotaxonomy

1. Based on cytological information like chromosome number
2. Based on cytological information like chromosome structure
3. Based on cytological information like chromosome behavior
4. All of these
Subtopic:  Classification System: I | Classification System |
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Chemotaxonomy

1. Chemical constituents of the plant
2. Cell structure
3. Phylogeny
4. Embryology
Subtopic:  Classification System: I | Classification System |
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Algae can be found on

1. Sloth bear 2. Dog
3. Camel 4. Rabbit
Subtopic:  Algae |
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Which of the following is not correct with respect to Algae?

1. Algae is in highly variable forms
2. Colonial form of algae - Volvox
3. Filamentous forms of algae - Ulothrix and Spirogyra
4. Marine Forms - Kelps and small plant body
Subtopic:  Algae |
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The reproduction in Algae occurs by

1. Vegetative 2. Asexual
3. Sexual 4. All of these
Subtopic:  Algae |
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Which of the following has flagellated male and female gametes?

(1) Ulothrix

(2) Volvox

(3) Spirogyra

(4) Fucus

Subtopic:  Algae |
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Which of the following is an example of anisogamous reproduction in Algae?

1. Udorina

2. Volvox

3. Fucus

4. Spirogyra

Subtopic:  Algae |
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Which of the following is an example of oogamous reproduction?

1. Ulothrix
2. Udorina
3. Spirogyra
4. Fucus

Subtopic:  Algae |
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Algae are useful

1. Because at least half of the total carbon dioxide fixation on Earth is carried out by algae through photosynthesis.
2. Algae being photosynthetic can increase the level of dissolved oxygen in their immediate environment
3. They are primary producers of energy rich compounds and form the basis of the food cycles of all aquatic animals
4. All of the above
Subtopic:  Algae |
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