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 |
 96%
From NCERT
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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 |
 87%
From NCERT
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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 |
 77%
From NCERT
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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 |
 79%
From NCERT
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The saprophytic protists are:

1. Slime moulds 2. Protozoans
3. Desmids 4. Dinoflagellates
Subtopic:  Kingdom Protista: Slime Moulds |
 85%
From NCERT
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Rusts and Smuts are the fungi that belong to:

1. Phycomycetes 2. Ascomycetes
3. Basidiomycetes 4. Deuteromycetes
Subtopic:  Kingdom Fungi: Basidomycetes |
 81%
From NCERT
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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 |
 54%
From NCERT
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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 |
 83%
From NCERT
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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
Subtopic:  Protozoa |
 78%
From NCERT
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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
Subtopic:  Different Classification Systems |
 81%
From NCERT
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