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MCQs

Total Questions : 67 | Page 5 of 7 pages
Question 41. Rocky coastlines in intertidal zone have common algae called
  1.    green algae
  2.    brown algae
  3.    brown green algae
  4.    yellow algae
 Discuss Question
Answer: Option B. -> brown algae
Answer: (b).brown algae
Question 42. Misuse of antibiotic streptomycin can cause
  1.    dumb
  2.    deafness
  3.    mental retardness
  4.    memory loss
 Discuss Question
Answer: Option B. -> deafness
Answer: (b).deafness
Question 43. Thick walled, enlarged vegetative cells which accumulate food are called as
  1.    cytokinesis
  2.    Akinetes
  3.    endokinetes
  4.    exokinetes
 Discuss Question
Answer: Option B. -> Akinetes
Answer: (b).Akinetes
Question 44. Microorganisms could cause disease, was proved by
  1.    Robert Hook
  2.    Herbert Copeland
  3.    Louis Pasteur
  4.    John hogg
 Discuss Question
Answer: Option C. -> Louis Pasteur
Answer: (c).Louis Pasteur
Question 45. Definite but changeable shape is given to ciliates by its outer covering called a
  1.    cell wall
  2.    pedicle
  3.    pellicle
  4.    cell membrane
 Discuss Question
Answer: Option C. -> pellicle
Answer: (c).pellicle
Question 46. Many bacteria contains additional molecules which are very helpful in modern genetic engineering techniques, they are circular and self replicating and called as
  1.    ribosomes
  2.    spores
  3.    plasmids
  4.    mesosome
 Discuss Question
Answer: Option C. -> plasmids
Answer: (c).plasmids
Question 47. A thick rigid spiral is called
  1.    vibrio
  2.    Spirrilum
  3.    spirochete
  4.    baccili
 Discuss Question
Answer: Option B. -> Spirrilum
Answer: (b).Spirrilum
Question 48. Number of bacteria and its kinds vary with respect to changes in locality and
  1.    size
  2.    environment
  3.    shape
  4.    material
 Discuss Question
Answer: Option A. -> size
Answer: (a).size
Question 49. Bacteria can range in size from 0.1µm to
  1.    600µm
  2.    400µm
  3.    300µm
  4.    100µm
 Discuss Question
Answer: Option A. -> 600µm
Answer: (a).600µm
Question 50. Robert Koch formulated germ theory of disease and discovered that specific bacteria which caused Tuberculosis and
  1.    epilepsy
  2.    Cholera
  3.    pneumonia
  4.    cancer
 Discuss Question
Answer: Option B. -> Cholera
Answer: (b).Cholera

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