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
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
3. Ability of a plant or animal cell to repeatedly divide and differentiate into a completeorganism is :-
4. Restriction endonuclease is also known as -
A. molecular glue
B. DNA ligase
C. DNA Polymerase
D. molecular scissors
Answer : Option D
5. Extra chromosomal small cirular double stranded DNA molecule in a bacterial cell isstranded DNA molecule in bacterial cell is
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
7. Which one of the following is releated with genetic engineering ?
8. In bacteria, genes for antibiotic resistance are usually located in
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
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