Q. No.The phenomenon of red tides is associated with blooms of:
1.
Zooxanthelle
2.
Gonyaulax
3.
Blue green algae
4.
Ctenoplana and Beroe
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Identify the incorrect statement regarding Euglenoids:
| 1. | Majority are found in fresh stagnant water |
| 2. | Presence of two flagella |
| 3. | Behave as heterotrophs when deprived of sunlight |
| 4. | Pigments entirely different from those found in higher plants |
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The commercial production of citric acid is possible with the help of:
1. Xanthomanascitri
2. Claviceps purpura
3. Trichodermaharzianum
4. Aspergillus niger
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Which of the following is not true for fungi belonging to the class phycomycetes?
| 1. | Aseptate and coenocytic mycelium |
| 2. | Spores endogenously produced in sporangium |
| 3. | Asexual reproduction by nonmotile zoospores or motile aplanospores |
| 4. | Found in aquatic habitats, decaying wood or as obligate parasites on plants |
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Which of the following is not a character of Ascomycetes?
| 1. | Mycelium is unbranched and septate |
| 2. | Asexual spores conidia are produced exogenously |
| 3. | Sexual spores called ascospores are produced endogenously |
| 4. | Conidia on germination produce mycelium |
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Rusts and Smuts are the fungi that belong to:
| 1. | Phycomycetes | 2. | Ascomycetes |
| 3. | Basidiomycetes | 4. | Deuteromycetes |
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Which protists are all heterotrophs and live as predators or parasites?
| 1. | Desmids | 2. | Slime moulds |
| 3. | Protozoans | 4. | Euglenoids |
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The major criteria used for classification of Protozoans is:
| 1. | Nature of cell envelope | 2. | Mode of locomotion |
| 3. | Mode of heterotrophic nutrition | 4. | Habitat |
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Which of the following is not a character of members of Kingdom Fungi?
1. Thalloid body
2. Lacking chlorophyll
3. Store starch as reserve carbohydrates
4. Heterotrophic mode of life
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