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Q. No.The reproduction in Algae occurs by
(1) Vegetative
(2) Asexual
(3) Sexual
(4) All of these
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Algae can be found on
(1) Sloth bear
(2) Dog
(3) Camel
(4) Rabbit
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Algae may occur
(1) Moist Stones
(2) Moist Soils and moist wood
(3) Occur in association with fungi
(4) All of these
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Asexual reproduction is by the production of different types of spores. Out of that most common is
(1) Carpospore
(2) Zoospores
(3) Basidiospores
(4) Akinetes
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Hydrocolloid is
(1) Water soluble substance
(2) Water holding substance
(3) Hydrogen gas containing substance
(4) Oxygen gas containing substance
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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
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Oogamous
(1) Non-motile male gamete
(2) Large male gamete
(3) Non-motile female gamete
(4) Small female gamete
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An example of colonial alga is
(1) Chlorella
(2) Volvox
(3) Ulothrix
(4) Spirogyra
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The members of chlorophyceae are not
(1) Green algae
(2) Unicellular, colonial or filamentous plant body
(3) Pigments chlorophyll a and b
(4) Pigments are localised in the cytoplasm
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The incorrect match for chlorophyll type is
1. Chlorophyll ‘a’ .... Green algae
2. Chlorophyll ‘d’ ... Diatoms
3. Chlorophyll ‘c’ ... Dinoflagellates and Brown algae
4. Chlorophyll ‘d’ ...Red algae
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