1.Nitromonas; a nitrifying bacteria is a
a. Chemoheterotroph
b.Chemoautotroph
c.Photoorganoheterotroph
d.Photolithoautotroph
2. The end product of the denitrification process is
a. Oxygen
b.Nitrite
c. Nitrogen gas
d. Ammonia
3. Which non-leguminous plant forms symbiotic association with Rhizobium?
a.Casurina
b.Panicum
c.Alnus
d.Parasponia
4. Who discovered the first azotobacter as a fixing organism?
a. H. Wilfarth
b.Martinus Beijerinck
c.Kluwar
d.Robert Koch
5. Carragenin, a jelly like substance, is derived from marine algae known as
a.Kelp
b.Diatoms
c.Flagellates
d.Irish moss
6. Methanogens belong to which group?
a. Eubacteria
b.Archaea
c.Eubacteria and Archaea
d. Eukarya
7.In vertebrates, fat is stored in the form of:
a.Arachidonic acid
b.Triacylglycerols
c.Waxes
d.Oleic acid
8.Which one is not the branch of Microbiology-
a. Geology
b.bacteriology
c.Virology
d.Bacteriology
9.The photosynthetic bacteria, which is not an autotroph is:
a.Chlorobium
b.Chromatium
c.Rhodospirillum
d.Rhodotorula
10. Which of the following is a eukaryotic microorganism?
a.Bacterium
b.Algae
c.Archae
d.Cyanobacterium
Answers:
1. b.Chemoautotroph
2. c. Nitrogen gas
3. d.Parasponia
4. b.Martinus Beijerinck
5. d.Irish moss
6. b.Archaea
7. b.Triacylglycerols
8. a. Geology
9. d.Rhodotorula
10. b.Algae