Free Biotechnology Principles And Processes (Daily Quiz: 8) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

DNA or RNA segment tagged with radioactive molecules is called

(a) Probe

(b) Vector

(c) Clone

(d) Plasmid

Question-2

Stirred-tank bioreactors are advantageous over shake flasks because they

(a) provide better aeration and mixing properties

(b) provide high temperature and pH

(c) do not allow the entry of $CO_2$

(d) are easy to operate

Question-3

In agarose gel electrophoresis

(a) supercoiled plasmids migrate slower than their nicked counterparts

(b) DNA migrates towards the negative electrode

(c) larger molecules migrate faster than smaller molecules

(d) ethidium bromide can be used to visualize the DNA

Question-4

The Roman number following the name of restriction enzyme indicate

(a) number of enzyme

(b) order in which enzyme is isolated from strain of bacteria

(c) order of enzyme

(d) None of the above

Question-5

The plasmid of Agrobacterium tumefaciens that is now modified as a cloning vector is

(a) cosmid

(b) Pi-plasmid

(c) Ti-plasmid

(d) None of these