EASY
Earn 100

The dengue disease spread by Aedes mosquito is caused by:
(a)Bacteria
(b)Virus
(c)Protozoan
(d)Fungus

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Important Questions on General Introduction and Classification of Microorganisms
MEDIUM
The primary producers of the deep-sea hydrothermal vent ecosystem are

EASY
Cell wall is absent in:

EASY
The guts of cow and buffalo possess:

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Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?

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Which one of the following statements is wrong?

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Methanogens belong to:

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The true nucleus is absent in:

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Anoxygenic photosynthesis is characteristic of:

EASY
Select the wrong statement.

EASY
The structures that help some bacteria to attach to rocks and/or host tissue are:

EASY
DNA replication in bacteria occurs

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Which of the following statements is wrong for viroids?

HARD
Viroids differ from viruses in having:

MEDIUM
Select the wrong statement.

EASY
Which of the following are found in extreme saline conditions?

EASY
Archaebacteria differs from eubacteria in:

EASY
In which group of organisms the cell walls form two thin lapping shells which fit together?

EASY
The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the:

HARD
Observe this figure and answer the questions given below:
- Name the part labelled as ‘1’.
- Name the heredity material of this virus.
- The person infected by this virus is attacked by various diseases.’ Explain.

