14 July 2012

MCQ for VIII: Biology :Microorganisms: Friend and Foe


      1.The yeast multiply by a process called
(a)    Binary fission
(b)   Budding
(c)    Spore formation
(d)   None of the above
  1. The example of protozoan is
(a)    Penicillium
(b)   Blue green algae
(c)    Amoeba
(d)   Bacillus

  1. The most common carrier of communicable diseases is
(a)    Ant
(b)   Housefly
(c)    Dragonfly
(d)   Spider

  1. The following is an antibiotics
(a)    Alcohol
(b)   Yeast
(c)    Sodium bicarbonate
(d)   Streptomycin

  1. Yeast produces alcohol and carbon dioxide by a process called
(a)    Evaporation
(b)   Respiration
(c)    Fermentation
(d)   Digestion

  1. The algae commonly used as fertilizers are called
(a)    Staphylococcus
(b)   Diatoms
(c)    Blue green algae
(d)   None of the above

1 comment:

  1. Wonderful information shared.CBSE books are enough to clear the entrance examination and score good percentage in boards examination.cbse syllabus for class 9th 2012

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