Which one is a true statement regarding DNA polymerase used in PCR?

(a) It is used to ligate introduced DNA in recipient cells

(b) It serves as a selectable marker

(c) It is isolated from a virus

(d) It remains active at high temperature

Concept Questions :-

Large Scale Production: I
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


For transformation, microparticles coated with DNA to be bombarded with gene gun are made up of

(a) silver or platinum

(b) platinum or zinc

(c) silicon or platinum

(d) gold or tungsten

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Given below is a sample of portion of DNA strand giving the base sequence on the opposite strands. What is so, special shown in it?

5'__ GAATTC_ 3'

3' __ CTTAAG__5'

(a) Deletion mutation

(b) Start codon at the 5' end

(c) Palindromic sequence of base pairs

(d) Replication completed

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


There is a restriction endonuclease called Eco RI. What does 'co' part in it stand for?

(a) Coelom                         (b) Coenzyme

(c) coli                               (d) Colon

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Agarose extracted from sea weeds finds use in

(a) tissue culture

(b) PCR

(c) gel electrophoresis

(d) spectrophotometry

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Continuous addition of sugars in ‘fed batch’ fermentation is done to

(a) obtain antibiotics

(b) purify enzymes

(c) degrade sewage

(d) produce methane

Concept Questions :-

Large Scale Production: II
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Which one of the following is used as vector for cloning genes into higher organisms?

(a) Baculovirus

(b) Salmonella typhimurium

(c) Rhizopus nigricans

(d) Retrovirus

Concept Questions :-

Tools: Vectors:II
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Which one of the following palindromic base sequences in DNA can be easily cut at about the middle by some particular restriction enzyme?

(a) 5'-CGTTCG-3'

     3'-ATGGTA--5'

(b) 5'-GATATG-3'

     3'-CTACTA-5'

(c) 5'-GAATTC-3'

     3'-CTTAAG-5'

(d) 5'-CACGTA-3'

     3'-CTCAGT-5'

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


DNA or RNA segment tagged with a radioactive molecule is called

(a) vector

(b) probe

(c) clone

(d) plasmid

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Restriction endonucleases are enzymes which
(a) make cuts at specific positions within the DNA molecule
(b) recognize a specific nucleotide sequence for binding of DNA ligase
(c) restrict the action of the enzyme DNA polymerase
(d) remove nucleotides from the ends of the DNA molecule

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level: