Free Biotechnology Principles And Processes (Daily Quiz: 14) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Which of the following enzyme is used in case of fungus to cause release of DNA along with other macromolecules ?

(a) Chitinase

(b) Cellulase

(c) Lysozyme

(d) Amylase

Question-2

Identify the wrong statement with regard to restriction enzymes.

(a) They are useful in genetic engineering.

(b) They cut the strand of DNA at palindromic sites.

(c) Each restriction enzyme functions by inspecting the length of a DNA sequence.

(d) Sticky ends can be joined by using DNA ligases

Question-3

When an alien DNA is ligated in tetracycline resistant gene, the recombinant

(a) will loose tetracycline resistant

(b) become tetracycline resistant

(c) will remain same

(d) None of the above

Question-4

Agarose extracted from sea weeds finds use in

(a) PCR

(b) Tissue culture

(c) Gel electrophoresis

(d) Spectrophotometry

Question-5

Gel electrophoresis is used for

(a) cutting of DNA into fragments

(b) isolation of DNA molecules

(c) construction of recombinant DNA by joining with cloning vectors

(d) separation of DNA fragments according to their size