1. In which of the follwing microorganism,
conjunction tube was not produced
during conjunction process?
a) Thiobaillus thiooxidence
b) T. ferroxidance
c) Tetrahymena thermophila
d) Cryptaporiclium
2. Which of the following is most similar to
Rickettsia and Chlamydia?
a) Bdellovibrio
b) Clostridium
c) Mycobacterium
d) Mycoldaima
3. How would you distinguish pseudomonas
species from E-cloi?
a) Gram staining
b) Morphology
c) Glucose fermentation Vs Respiration
d) All of the above
4. Which of the following is pathogenic to
humans?
a) Spirogyra
b) Cephaleuros
c) Prototheca
d) Both b and c
5. Tumer inducing plasmids are extensively
used in production of
a) Avirulent phases
b) Single cell proteins
c) Transgenic plants
d) Nitrogen fixing bacteria
6. The viruses that live as parasites on bac teria are
a) Fungi
b) Commensels
c) Bacteriophages
d) None of these
7. The anthrax disease is most frequently
infected from
a) Cattle
b) Sheeps
c) Rats
d) Both a and b
8. The colonies produced by Pseudomonas
on Mac Conkey’s medium are
a) Purple colored
b) Pink colored
c) Pale colored
d) Green colored
9. Staining material of gram positive
bacterium is
a) Fast green
b) Haematoxylon
c) Crystal violet
d) Safranin
10. The pigment present in red algae is
a) Rhodochrome
b) Fucoxanthin
c) Chlorophyll only
d) Chlorophyll + phycobilin