Multiple Choice Questions

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Which one of the following option gives the correct matching of a disease with its causative organism and mode of infection?

  • Disease

    Gausative Organisms

    Mode of infection

    Typhoid

    Salmonella typhi

    With inspired air

  • Disease

    Gausative Organisms

    Mode of infection

    Pneumonia

    Sreptococcus pneumoniae

    Droplet infection

  • Disease

    Gausative Organisms

    Mode of infection

    Elephantiasis

    Wuchereria bancrofti

    Infected water and food

  • Disease

    Gausative Organisms

    Mode of infection

    Elephantiasis

    Wuchereria bancrofti

    Infected water and food


B.

Disease

Gausative Organisms

Mode of infection

Pneumonia

Sreptococcus pneumoniae

Droplet infection

Bacteria like Streptococcus pneumoniae and Haemophilus influenza are responsible for the disease pneumonia in humans which infect alveoli (air-filled sacs) of the lungs. As a result of infection, the alveoli get filled with fluid leading to a severe problem in respiration. A healthy person acquires the infection by inhaling the droplets/aerosols released by an infected person or even by sharing glasses and utensils with an infected person.

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Which one of the following is not a biofertilizer

  • Rhizobium

  • Nostoc

  • Mycorrhiza

  • Mycorrhiza

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A person likely to develop tetanus is immunised by administering

  • dead germs

  • preformed antibodies

  • wide spectrum antibiotics

  • wide spectrum antibiotics

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Which of the following is not used as a biopesticide?

  • Bacillus thuringiensis
  • Trichoderma harzianum

  • Nuclear Polyhedrosis virus (NPV)

  • Nuclear Polyhedrosis virus (NPV)

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A common biocontrol agent for the control of plant diseases is

  • Baculovirus

  • Bacillius thuringiensis

  • Glomus

  • Glomus

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Biochemical Oxygen Demand (BOD) in a river water

  • remains unchanged when algal bloom occurs

  • has no relationship with the concentration of oxygen in the water

  • gives a measure of Salmonella in the water

  • gives a measure of Salmonella in the water

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Ethanol is commercially produced through a particular species of 

  • Clostridium

  • Trichoderma

  • Aspergillus

  • Aspergillus

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The common nitrogen -fixer in paddy field is 

  • Rhizobium

  • Azopirillum

  • Oscillatoria

  • Oscillatoria

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Read the following statement having two blanks (1 and 2). 

A drug used for ..... (1) ...... patients is obtained from a species of the organism ....... (2).....The one correct option for the two blanks is.

  • Blank – 1
    Blank – 2
    Heart
    Penicillium
  • Blank – 1

    Blank – 2

    Organ - transplant

    Trichoderma
  • Blank – 1

    Blank – 2

    Swine flu

    Monascus
  • Blank – 1

    Blank – 2

    Swine flu

    Monascus
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The most common substrate used in distilleries for the production of ethanol is 

  • soya meal 

  • ground gram

  • molasses

  • molasses

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