E-PolyLearning

116. Which of the following is not true about peptidoglycan?
a. It is a polymer consisting of N-acetyl glucosamine, N-acetyl muramic acid and amino acids (alanine, lysine, etc.)
b. It is present in prokaryotic cell wall
c. It occurs in the form of a bag shaped macro molecule surrounding the cytoplasm membrane
d. None of the above
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Answer: (d).None of the above

117. The common word for bacteria which are spherical in shape is
a. cocci
b. bacilli
c. spirilla
d. pleomorphic
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Answer: (a).cocci

118. Single or clusters of flagella at both poles is known as
a. monotrichous
b. petritrichous
c. amphitrichous
d. none of these
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Answer: (c).amphitrichous

119. Which of the following bacterial genera (that produces endospore) have medical importance?
a. Clostridium
b. Bacillus
c. Both (a) and (b)
d. None of these
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Answer: (c).Both (a) and (b)

120. Microcapsules are composed of
a. proteins
b. polysaccharides
c. lipids
d. all of these
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Answer: (d).all of these