Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Biology Genetics and Evolution
Given below are four statements pertaining to the separation of DNA fragments using Gel electrophoresis. Identify the incorrect statements.
(a) DNA is a negatively charged molecule and so it is loaded on gel towards the Anode terminal.
(b) DNA fragments travel along the surface of the gel whose concentration does not affect the movement of DNA.
(c) Smaller the size of the DNA fragment, the larger the distance it travels through it.
(d) Pure DNA can be visualized directly by exposure to UV radiation.
Choose the correct answer from the options given below :
1
(b), (c) and (d)
2
(a), (b) and (d)
3
(a), (c) and (d)
4
More than one of the above
5
None of the above