Free Biotechnology Principles And Processes (Daily Quiz: 11) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

DNA ligases are enzymes that can be used to

(a) copy DNA fragments.

(b) chop a large DNA molecule into small fragments.

(c) insert the DNA from one species into the DNA of another species.

(d) separate DNA fragments based on their size.

Question-2

Restriction endonuclease

(a) Cuts DNA from specific palindromic site

(b) Cuts DNA molecule at random

(c) Restricts DNA synthesis

(d) Synthesize DNA

Question-3

The figure below is the diagrammatic representation of the E.coli vector pBR 322. Which one of the given options correctly identifies its certain component's) ?

(a) ori-original restriction enzyme

(b) ampR tetR-antibiotic resistance genes

(c) Hind III. EcoBI-selectable markers

(d) rop-reduced osmotic pressure

Question-4

In gel electrophoresis, restriction enzyme digested DNA is loaded in wells near

(a) cathode

(b) anode

(c) centre of gel

(d) any where in the gel

Question-5

Which of the following is a restriction endonuclease?

(a) Hind II

(b) RNase

(c) DNase I

(d) Protease