'Red tide' is caused by

(1) Gonyaulax

(2) Ceratium

(3) Triceratium

(4) All of these

Subtopic:  Kingdom Protista: Dinoflagellates |
 92%
From NCERT
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Which one of the following shows heterothallism?

(1) Rhizopus

(2) Bacterium

(3) Cycas

(4) Ricinus

Subtopic:  Kingdom Fungi: Zygomycetes |
 52%
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The common characteristic showning by mushroom, smut and rust

(1) is characterised by presence of basidiocarps

(2) is characterised by presence of ascocarps

(3) all are pathogen

(4) all are saprophytic in nature

Subtopic:  Kingdom Fungi: Basidomycetes |
 77%
From NCERT
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Which one exhibits the character of a protozoan during one phase of its life cycle and character of fungi in another phase of its life cycle?

(1) Water moulds

(2) Psilophytes

(3) Slime moulds

(4) Diatoms

Subtopic:  Kingdom Protista: Slime Moulds |
 83%
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Spirochaetes is/are

(1) a class of viruses

(2) myxobacteria

(3) spiral-shaped bacteria

(4) richittsias

Subtopic:  Kingdom Monera: Introduction |
 68%
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Spirochaetes is are

(1) a class of insects

(2) a class of viruses

(3) bacteria

(4) fungi

Subtopic:  Kingdom Monera: Introduction |
 82%
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The metachromatic granules are

(1) present in plants cell at metaphase stage

(2) inclusion bodies in bacteria

(3) produced in insects during metamorphosis

(4) chromatophores in animals skin

Subtopic:  Kingdom Monera: Surface Appendages |
 62%
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Clamp connection is found in

(1) Basidiomycetes

(2) Ascomycetes

(3) Saccharomycetes

(4) Haplomycetes

Subtopic:  Kingdom Fungi: Basidomycetes |
 73%
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Protists obtain their food as

(1) photosynthesizers only

(2) chemosynthesizers

(3) heterotrophs only

(4) Both (1) and (3)

Subtopic:  Kingdom Protista: Introduction |
 90%
From NCERT
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Diatoms do not decay easily because

1. they have siliceous walls

2. their body is impervious to water

3. they are chitinous

4. they are abundant in saline soil

Subtopic:  Kingdom Protista: Chrysophytes |
 92%
From NCERT
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