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MCQs

Total Questions : 348 | Page 32 of 35 pages
Question 311. Bacteria may be
  1.    aerobic
  2.    anaerobic
  3.    viral or fungal
  4.    none of others
 Discuss Question
Answer: Option C. -> viral or fungal
Answer: (c).viral or fungal
Question 312. Comma shaped bacteria are known as
  1.    Cocci
  2.    Bacilli
  3.    Spirilla
  4.    Vibrio
 Discuss Question
Answer: Option D. -> Vibrio
Answer: (d).Vibrio
Question 313. Bacterium does not have a
  1.    cytoplasm
  2.    true nucleus
  3.    protoplasm
  4.    DNA (Deoxyribonucleic Acid)
 Discuss Question
Answer: Option B. -> true nucleus
Answer: (b).true nucleus
Question 314. Slime capsule often covers the
  1.    bacterium
  2.    virus
  3.    fungi
  4.    all of above
 Discuss Question
Answer: Option A. -> bacterium
Answer: (a).bacterium
Question 315. Spherical-shaped bacteria are referred as
  1.    cocci
  2.    bacilli
  3.    spirilla
  4.    vibrio
 Discuss Question
Answer: Option A. -> cocci
Answer: (a).cocci
Question 316. In adverse conditions, Bacteria starts
  1.    dividing
  2.    copying the Deoxyribonucliec acid
  3.    forming a thick walled spore
  4.    copying the Ribonucliec acid
 Discuss Question
Answer: Option C. -> forming a thick walled spore
Answer: (c).forming a thick walled spore
Question 317. Using a treatment or set of experimental conditions with a expected result involves
  1.    positive control
  2.    negative control
  3.    radial control
  4.    all of above
 Discuss Question
Answer: Option A. -> positive control
Answer: (a).positive control
Question 318. To combat bacteria, types of viruses used are known as
  1.    tobacco mosaic virus
  2.    hybrid virus
  3.    bacteriophages
  4.    influenza virus
 Discuss Question
Answer: Option C. -> bacteriophages
Answer: (c).bacteriophages
Question 319. The experiment went wrong if there is no growth of bacteria in
  1.    petri dish
  2.    positive control group
  3.    in the solution
  4.    On the medium
 Discuss Question
Answer: Option B. -> positive control group
Answer: (b).positive control group
Question 320. The family Vibrionaceae is _________________
  1.    oxidase-positive
  2.    oxidase-negative
  3.    coccus shaped
  4.    non-motile
 Discuss Question
Answer: Option A. -> oxidase-positive
Answer: (a).oxidase-positive

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