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Microbes are omnipresent and this means that these are present in:

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Important Questions on Biological Classification

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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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Anoxygenic photosynthesis is characteristic of:
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Which of the following are found in extreme saline conditions?
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In a mixed culture of slow and fast growing bacteria, penicillin will
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Identify combination of incorrect statements related to Cyanobacteria
I. Cyanobacteria are referred to as blue-green algae.
II. They perform oxygenic photosynthesis in chloroplasts.
II. The red-colour of red-sea is due to the presence of a cyanobacterial species Trichodesmium erythraeum.
IV. All the cyanobacterial species can fix atmospheric N2 in specialised cells called heterocysts.
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Which one of the following statements is wrong?
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Which of the following is incorrect about Cynobacteria?
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Ruminant animals can digest cellulose in their food, whereas human beings are unable to do so. This is because.
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Study the following statements
A) Archaea and Eukarya are more closely related to each other than bacteria
B) R.H. Whittaker placed unicellular eukaryotic organisms in the Kingdom Monera
C) Carl Woes replaced Kingdom Monera with two Kingdoms Bacteria and Archaea
D) 24 S subunit of ribosomal RNA is used in the identification of Microbes

In the above, incorrect statements are

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Match the following lists:

  List-I   List-II
(A) Photoautotroph (I) Nitrosomonas
(B) Chemoautotroph (II) Rhodospirillum
(C) Photoheterotroph (III) Salmonella
(D) Chemoheterotroph (IV) Chlorobium

The correct match is:

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The primary producers of the deep-sea hydrothermal vent ecosystem are
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The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the: