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 Multiple Choice QuestionsMultiple Choice Questions

1.

Which of the following is not required for any of the techniques of DNA fingerprinting available at present?

  • Zinc finger analysis

  • Restriction enzymes

  • DNA-DNA hybridization

  • DNA-DNA hybridization

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2.

Which part of the tobacco plant is infected by Meloidogyne incognitia?

  • Leaf

  • Stem

  • Root

  • Root

925 Views

3.

Golden rice is a genetically modified crop plant where the incorporated gene i's meant for

  • Vitamin B

  • Vitamin C

  • Omega 3

  • Omega 3

710 Views

4.

A pleiotropic gene

  • is expressed only in primitive plants.

  • is a gene evolved during Pliocene

  • controls a trait only in combination with another gene

  • controls a trait only in combination with another gene

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5.

Green revolution in India occurred during

  • 1960's

  • 1970's

  • 1980's

  • 1980's

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6.

Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells).

  • Both sense and anti-sense RNA

  • A particular hormone

  • An antifeedant

  • An antifeedant

835 Views

7.

The first clinical gene therapy was given for treating

  • diabetes mellitus

  • chicken pox

  • rheumatoid arthritis 

  • rheumatoid arthritis 

936 Views

8.

In Bt cotton, the Bt toxin present in plant tissue as pro-toxin is converted into active toxin due to

  • alkaline pH of the insect gut

  • acidic pH of the insect gut

  • action of gut microorganisms

  • action of gut microorganisms

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9.

The crops engineered for glyphosate are resistant/ tolerant to

  • fungi

  • bacteria

  • insects

  • insects

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10.

Read the following four statements (I - IV) about certain mistakes in two of them

I .The first transgenic buffalo, Rosie produced mile which was human alpha - lactal bumin enriched

II. Restriction enzymes are used in isolation of DNA from another macro -molecules.

III. downstream processing is one of the steps of R-DNA technology.

IV. Disarmed pathogen vectors are also used in the transfer of R - DNA into the host. 

Which are the two statements having mistakes?

  • Statement (II) and (III)

  • Statements (III) and (IV)

  • Statements (I) and (III)

  • Statements (I) and (III)

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