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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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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The saprophytic protists are:
1. | Slime moulds | 2. | Protozoans |
3. | Desmids | 4. | Dinoflagellates |
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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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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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African sleeping sickness is caused by a/an:
1. | Amoeboid protozoan | 2. | Flagellated protozoan |
3. | Ciliated protozoan | 4. | Sporozoan |
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Match each item in Column I with one in Column II and choose the correct answer from the codes given:
|
Column I |
|
Column II |
A |
Entamoeba |
a |
Flagellated protozoan |
B |
Trypanosoma |
b |
Amoeboid protozoan |
C |
Paramecium |
c |
Non motile protozoan |
D |
Plasmodium |
d |
Ciliated protozoan |
Codes
A | B | C | D | |
1. | a | b | c | d |
2. | b | a | c | d |
3. | a | b | d | c |
4. | b | a | d | c |
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Who, amongst the following, was the earliest to attempt a more scientific basis of classification?
1. | Aristotle | 2. | John Ray |
3. | Tournefort | 4. | Linnaeus |
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