Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

41.

In human the inheritance of sex linkage takes place through :

  • autosomes

  • Y - chromosome

  • X- chromosome

  • both 'b' and 'c'


42.

Hybridoma technology is used to :

  • kill the cancer cells

  • formation of somaclonal antibodies

  • formation of somatic hybrids

  • formation of antibiotics


43.

Yeast is used in the production of :

  • acetic acid

  • citric acid

  • ethyl alcohol

  • curd


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44.

The vaccine of Hepatitis-B is a :

  • first generation vaccine

  • interferon

  • second generation vaccine

  • third generation vaccine


C.

second generation vaccine

First generation vaccines are the vaccines produced by conventional method and responsible for causing various side effects.

Second generation vaccines are better and safer that consists of a few antigens present on the surface of the infecting agents rather than whole inactivated organisms. Vaccine for Hepatitis--B virus is a successful second generation vaccine. 

Third generation vaccines are called synthesized vaccines due to their high purity and potency.


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45.

The term 'ecosystem' was coined by :

  • E.P. Odum

  • A.G. Tansley

  • Carl Mobious

  • W. Clementus


46.

Streptomycin was isolated first time by :

  • A. Flemming

  • Robert Koch

  • N. Borlaug

  • S. Waksman


47.

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

  • Xanthomonas citri

  • Bacillus megatherium

  • Acetobacter aceti

  • None of the above


48.

Kohler and Milstein developed biotechnology for :

  • monoclonal antibodies

  • steroid synthesis

  • immobilization of enzymes

  • myeloma


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49.

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

  • SO2

  • CO

  • Ozone

  • Florides


50.

In India highest amount of coal is present in :

  • West Bengal

  • Maharastra

  • Jharkhand

  • Assam


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