Viruses are:
1. Obligate intracellular parasites
2. Obligate extracellular parasites
3. Facultative parasites
4. Free living, outside a living cell

Subtopic:  Virus, Viroids & Prions |
 81%
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The cell walls of diatoms are ‘indestructible’ as they are embedded with:

1. Silica 2. Chitin
3. Calcium 4. Raphides
Subtopic:  Kingdom Protista: Chrysophytes |
 95%
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Bacteriophages are:
1. Bacteria infecting ss RNA viruses
2. Bacteria infecting ds RNA viruses
3. Viruses that infect bacteria and generally have ds DNA
4. Viruses that infect bacteria and generally have ds RNA

Subtopic:  Virus, Viroids & Prions |
 75%
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The phenomenon of red tides is associated with blooms of:

1. Zooxanthelle 2. Gonyaulax
3. Blue green algae 4. Ctenoplana and Beroe
Subtopic:  Kingdom Protista: Dinoflagellates |
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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
Subtopic:  Kingdom Protista: Euglenoids |
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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
Subtopic:  Kingdom Fungi: Zygomycetes |
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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
Subtopic:  Kingdom Fungi: Ascomycetes |
 78%
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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
Subtopic:  Protozoa |
 53%
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African sleeping sickness is caused by a/an:

1. Amoeboid protozoan 2. Flagellated protozoan
3. Ciliated protozoan 4. Sporozoan
Subtopic:  Protozoa |
 82%
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Kingdom Monera in Whittaker’s Five Kingdom classification is not characterized by:
1. Prokaryote cell type
2. Cellulosic cell wall
3. Absence of nuclear membrane
4. Cellular body organization

Subtopic:  Different Classification Systems |
 67%
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