Multiple Choice Questions

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

  • soya meal 

  • ground gram

  • molasses

  • molasses


C.

molasses

Molasses is viscous by - the products of the processing of sugarcane, grapes or sugar beets in sugar. It is the most common substrate used in distilleries for the production of ethanol. It can be used as the base material for fermentation into rum. In Australia, molasses is ferme produce ethanol for use as an alternative fuel in motor vehicles.

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Which one of the following is not a biofertilizer

  • Rhizobium

  • Nostoc

  • Mycorrhiza

  • Mycorrhiza

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Ethanol is commercially produced through a particular species of 

  • Clostridium

  • Trichoderma

  • Aspergillus

  • Aspergillus

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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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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

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A common biocontrol agent for the control of plant diseases is

  • Baculovirus

  • Bacillius thuringiensis

  • Glomus

  • Glomus

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The common nitrogen -fixer in paddy field is 

  • Rhizobium

  • Azopirillum

  • Oscillatoria

  • Oscillatoria

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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 person likely to develop tetanus is immunised by administering

  • dead germs

  • preformed antibodies

  • wide spectrum antibiotics

  • wide spectrum antibiotics

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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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