NEET

A genetic clone is

a plant produced by asexual means.
hybrid produced by sexual means.
homozygous plant produced by sexual means.
heterozygous plant produced by sexual means.

PCR (Polymerase Chain Reaction) method is useful for

amplification of DNA for forming billions of copies of itself.
monoclonal antibody production.
hybridoma production.
All of the above

Which structure involved in genetic engineering?

Plastid
Plasmid
Codon
None of these

Genetic engineering aims at

destroying wild gene
preserving defective gene
curing human disease by introducing new gene (Haemophilia)
all the above

Ti-plasmid used in genetic engineering has been modified by

adding tumour forming genes.
deleting tumour forming genes.
adding genes for endonucleases.
deleting genes for endonucleases.

Which of the following technique is used for the separation of DNA fragments ?

Gel electrophoresis
Chromatography
Transformation
Transduction

Which of the following is a tool of recombinant DNA technology ?

Cloning vectors
Ligase enzymes
Restriction enzymes
All of the above

Which of these is not correctly matched?

Gene gun — biolistic gun
Plasmids — extrachromosomal DNA
DNA ligase — Biological scissors
Bacteriophages — viruses.

Conversion of sugar into alcohol during fermentation is due to the direct action of

temperature
micro-organisms
concentration of sugar solution
enzyme zymase

Which of the following is molecular scissors?

EcoRI
Hind III
Bam H II
All of these

UnAttempted

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UnAttempted

Wrong