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Q. No.Hydrocolloid is
1.
Water soluble substance
2.
Water holding substance
3.
Hydrogen gas containing substance
4.
Oxygen gas containing substance
| 1. | Water soluble substance |
| 2. | Water holding substance |
| 3. | Hydrogen gas containing substance |
| 4. | Oxygen gas containing substance |
Subtopic: Algae |
93%
Level 1: 80%+
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Algin
| 1. | Water holding substance |
| 2. | Obtained from brown algae |
| 3. | Non sulfated water holding substance |
| 4. | All of these |
Subtopic: Algae |
79%
Level 2: 60%+
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Carrageen
(1) Water holding substance
(2) Obtained from red algae
(3) Sulfated water holding substance
(4) All of these
Subtopic: Algae |
90%
Level 1: 80%+
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Subtopic: Algae |
88%
Level 1: 80%+
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Agar is not used in
| 1. | To grow microbes |
| 2. | To prepare ice-creams |
| 3. | To prepare jellies |
| 4. | To supplement protein for space travellers |
Subtopic: Algae |
85%
Level 1: 80%+
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Chlorella is not
| 1. | An unicellular alga |
| 2. | Rich in proteins |
| 3. | Used as food supplement even by space travellers |
| 4. | Used to grow microbes |
Subtopic: Algae |
85%
Level 1: 80%+
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Subtopic: Algae |
89%
Level 1: 80%+
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Choose the correct answer for the members of Chlorophyceae.
| 1. | are not Green algae |
| 2. | are not unicellular, colonial, or filamentous plant body |
| 3. | do not have pigments chlorophyll a and b |
| 4. | have pigments localised in the chloroplast |
Subtopic: Algae |
86%
Level 1: 80%+
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Chloroplasts can be discoid, plate-like, reticulate, cup-shaped, spiral or ribbon-shaped in different species. Such variety can be found in
| 1. | Chlorophyceae | 2. | Phaeophyceae |
| 3. | Rhodophyceae | 4. | All of these |
Subtopic: Chlorophyceae: Green Algae: I | Chlorophyceae: Green Algae |
85%
Level 1: 80%+
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Pyrenoid is
| 1. | Storage bodies located in cytoplasm of chloropbyceae |
| 2. | Storage bodies located in cytoplasm of Phaeophyceae |
| 3. | Storage bodies located in chloroplast of chlorophyceae |
| 4. | Storage bodies located in chloroplast of Phaeophyceae |
Subtopic: Chlorophyceae: Green Algae: I | Chlorophyceae: Green Algae |
79%
Level 2: 60%+
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