NEET Biology Solved Question Paper 2003

Multiple Choice Questions

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Yeast is used in the production of :

  • acetic acid

  • citric acid

  • ethyl alcohol

  • curd

C.

ethyl alcohol

Yeast is used in the production of ethyl alcohol. Sugar is fermented by yeast into alcohol and CO2. Ethyl alcohol is the main product of beweries.

Citric acid is produced by Aspergillus niger (fungus) and acetic acid by Acetobacter aceti (bacterium) whereas curd is produced by Lactobacillus lactis (bacterium).

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    In India highest amount of coal is present in :

    • West Bengal

    • Maharastra

    • Jharkhand

    • Assam

    Answer

    The term 'ecosystem' was coined by :

    • E.P. Odum

    • A.G. Tansley

    • Carl Mobious

    • W. Clementus

    Answer

    Hybridoma technology is used to :

    • kill the cancer cells

    • formation of somaclonal antibodies

    • formation of somatic hybrids

    • formation of antibiotics

    Answer

    Which of the following micro-organism is used for conversion of milk into curd?

    • Xanthomonas citri

    • Bacillus megatherium

    • Acetobacter aceti

    • None of the above

    Answer
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    Kohler and Milstein developed biotechnology for :

    • monoclonal antibodies

    • steroid synthesis

    • immobilization of enzymes

    • myeloma

    Answer

    Which of the following is formed by the reactions of UV-rays of sunlight?

    • SO2

    • CO

    • Ozone

    • Florides

    Answer

    The vaccine of Hepatitis-B is a :

    • first generation vaccine

    • interferon

    • second generation vaccine

    • third generation vaccine

    Answer

    Streptomycin was isolated first time by :

    • A. Flemming

    • Robert Koch

    • N. Borlaug

    • S. Waksman

    Answer
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    In human the inheritance of sex linkage takes place through :

    • autosomes

    • Y - chromosome

    • X- chromosome

    • both 'b' and 'c'

    Answer