List of top Biology Questions on Structure of DNA and RNA asked in CUET (UG)

Given below is the DNA coding sequence. Its complementary strand would read as:
5’ – GTATTACG – 3’

Which of the following is not a component of DNA?

Match List-I with List-II:

List-I (Scientist)	List-II (Contribution)
(A) A. Jeffreys	(I) Nuclein
(B) Miescher	(II) Amino acid formation
(C) J. Monod	(III) DNA fingerprinting
(D) S.L. Miller	(IV) Transcriptionally regulated system

RNA is a labile molecule due to the presence of:

Which of the following nitrogenous base is NOT present in RNA ?

RNA interference process occurs in ______ as a method of cellular defense.

Identify the statements which hold true for DNA in E.coli
A. DNA is organised in nucleoid region
B. The length of E.coli DNA is 1.36 metres
C. DNA is not scattered throughout the cell
D. DNA is organised in large loops
Choose the correct answer from the options given below :

A novel strategy to prevent infestation of roots of tobacco plant with the nematode Meloidogyne incognita is:

In mRNA, vaccine, what is the meaning of 'm' :

Match List I with List II

List I		List II
(A)	RNA Polymerase II	(I)	28 srRNA
(B)	RNA Polymerase I	(II)	hn RNA
(C)	Ribozome	(III)	5 srRNA
(D)	RNA Polymerase III	(IV)	23 srRNA in bacteria

Choose the correct answer from the options given below:

In RNAi genes are silenced by :

Purines in DNA molecules are: