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%
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Erogotamine tartarate extracted from Claviceps, is used for cure of

(1) bodyache

(2) headache

(3) fever

(4) severe stomach pain

Subtopic:  Kingdom Fungi: Ascomycetes |
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The function of nitrogen fixation in Anabaena (cyanobacterium) is performed by

(1) thylakoid

(2) heterocyst

(3) phycocyanin

(4) phycoerythrin

Subtopic:  Kingdom Monera: Blue Green Algae |
 96%
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Plant decomposers are

(1) Monera and Fungi

(2) Fungi and Plantae

(3) Protista and Animalia

(4) Animalia and Monera

Subtopic:  Kingdom Monera: Introduction | Kingdom Fungi: Introduction |
 85%
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These organisms are fungus like in one phase of their life cycle and Amoeba like in another phase of their life cycle

(1) diatoms

(2) slime molds

(3) dinoflagellates

(4) water molds

Subtopic:  Kingdom Protista: Slime Moulds |
 87%
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In which of the following patterns of viral replication, viruses enter a cell, replicate and then cause the cell to burst, releasing new viruses?

(1) Lytic

(2) Lysogenic

(3) Reprogenic

(4) Both (1) and (2)

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The role of contractile vacuole in protista is

(1) Osmoregulation

(2) Digestion

(3) Locomotion

(4) Reproduction

Subtopic:  Kingdom Protista: Introduction |
 75%
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1. The biological classification was attempted instinctively
a. to make scientific studies easy
b. to use organisms for our own use
c. to make better understanding of the research running in all over the world
d. to make connection between living and non-living

Subtopic:  Different Classification Systems |
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The first attempt for Biological classification was because of the need to use organisms for our own use. Here which kind of uses are considered?

(1) Food and shelter

(2) Food and Hunting

(3) Food, shelter and clothing

(4) Except clothing all are correct

Subtopic:  Different Classification Systems |
 72%
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First time the scientific basis for classification was attempted by -

(1) Theopharastus

(2) Aristotle

(3) Van Neil

(4) Darwin

Subtopic:  Different Classification Systems |
 94%
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