Nitrogenous Bases in DNA And RNA -Multiple Choice Questions Quiz

Interactive MCQs on “Nitrogenous Bases in DNA And RNA”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: Which nitrogenous base is present in RNA but not in DNA?

(a) Adenine
(b) Guanine
(c) Uracil
(d) Thymine

Question 2: How many types of nitrogenous bases are present in DNA?

(a) 2
(b) 3
(c) 4
(d) 5

Question 3: Which nitrogenous base pairs with Adenine in RNA?

(a) Guanine
(b) Cytosine
(c) Thymine
(d) Uracil

Question 4: Which nitrogenous base pairs with Guanine in DNA?

(a) Adenine
(b) Cytosine
(c) Thymine
(d) Uracil

Question 5: How many hydrogen bonds are present between Adenine and Thymine in DNA?

(a) 1
(b) 2
(c) 3
(d) 4

Question 6: Which nitrogenous base pairs with Cytosine in RNA?

(a) Adenine
(b) Guanine
(c) Thymine
(d) Uracil

Question 7: Which nitrogenous base is complementary to Guanine in DNA?

(a) Adenine
(b) Cytosine
(c) Thymine
(d) Uracil

Question 8: Which nitrogenous base pairs with Thymine in DNA?

(a) Adenine
(b) Cytosine
(c) Guanine
(d) Uracil

Question 9: How many nitrogenous bases are in a single nucleotide?

(a) 1
(b) 2
(c) 3
(d) 4

Question 10: Which nitrogenous base is methylated in DNA?

(a) Adenine
(b) Cytosine
(c) Guanine
(d) Thymine