
Photosynthetic bacteria have pigments in

Important Questions on Microorganisms Friends and Foe







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 in specialised cells called heterocysts.








Study the following statements
Archaea and Eukarya are more closely related to each other than bacteria
Whittaker placed unicellular eukaryotic organisms in the Kingdom Monera
Carl Woes replaced Kingdom Monera with two Kingdoms Bacteria and Archaea
subunit of ribosomal is used in the identification of Microbes
In the above, incorrect statements are

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:



