1.  The enzymes that cuts specifically recognition sites in the DNA is known as

A. DNA ligase

B. DNA Polymerase

C. Reverse transcriptase

D. Restriction endonuclease

Answer : Option D

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2.  DNA can be introduced into any cell by

A. Injection

B. being complexed with Ca salts

C. gel electrophoresis

D. being placed along with

Answer : Option A

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3.  Ability of a plant or animal cell to repeatedly divide and differentiate into a completeorganism is :-

A. cloning

B. DNA finger printing

C. cellular totipotency

D. mitosis

Answer : Option C

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4.  Restriction endonuclease is also known as -

A. molecular glue

B. DNA ligase

C. DNA Polymerase

D. molecular scissors

Answer : Option D

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5.  Extra chromosomal small cirular double stranded DNA molecule in a bacterial cell isstranded DNA molecule in bacterial cell is

A. Plastid

B. Plasmid

C. Mitochondrion

D. Chloroplast

Answer : Option B

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6.  Introduction of foreign genes into plant or animal cells using micropipettes is

A. Electroporation

B. Chemical - mediated genetransfer

C. microinjection

D. Particle gun

Answer : Option B

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7.  Which one of the following is releated with genetic engineering ?

A. Mulations

B. Ribosomes

C. Mitochondria

D. Plasmids

Answer : Option D

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8.  In bacteria, genes for antibiotic resistance are usually located in

A. Plasmids

B. Cytoplasm

C. Mitochondria

D. Nucleus

Answer : Option B

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9.  A technique used to make numerous copies of a specific segment of DNA quickly andaccurately

A. Translation

B. transcription

C. Ligase chain reaction

D. polymerase chain reaction

Answer : Option B

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10.  The enzyme that cleaves DNA at specific sites, producing sticky ends is called

A. Restriction endonuclease

B. Cleaving enzyme

C. Lysing enzyme

D. Exonuclease

Answer : Option D

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