MCQs on Nucleotide For NEET

NEET Biology is the scoring paper in the medical entrance examination. Here, you will discover the NEET Biology MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Biology Nucleotide Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.


Q.1. The sugar molecule present in nucleotide is

(a) triose
(b) tetrose
(c) pentose
(d) hexose

(c) pentose


Q.2. Which of the following nucleotide contains only ribose sugar and not deoxyribose?

(a) Thymine – pentose sugar-phosphate
(b) Uracil – pentose sugar-phosphate
(c) Thymine – pentose sugar-phosphate
(d) Cytosine – pentose sugar-phosphate

(b) Uracil – pentose sugar-phosphate


Q.3. Purine base found in RNA is

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

(c) Guanine


Q.4. A DNA segment contains 100 Adenine and 100 cytosines, how many nucleotides are present in the segment?

(a) 100
(b) 200
(c) 400
(d) 50

(c) 400


Q.5. Nucleoside contains

(a) base-sugar
(b) base-phosphate
(c) base-sugar-phosphate
(d) sugar-phosphate

(a) base-sugar


Q.6. ATP is a

(a) nucleoside
(b) nucleotide
(c) vitamin
(d) nucleic acid

(b) nucleotide


Q.7. A phosphodiester bond is present in

(a) Nucleic acids in a nucleotide
(b) Monosaccharides in a polysaccharide
(c) Amino acids in a polypeptide
(d) Fatty acids in a diglyceride

(a) Nucleic acids in a nucleotide


Q.8. Uridine present in RNA is

(a) nucleotides
(b) pyrimidine
(c) purine
(d) nucleoside

(d) nucleoside


Q.9. Nucleic acids are a polymer of nucleotide monomeric units. Each nucleotide consists of

(a) base­-sugar-­OH
(b) sugar-­phosphate
(c) base­-sugar-­phosphate
(d) (base­-sugar­-phosphate)x

(c) base­-sugar-­phosphate


Q.10. Find the correct statement about phosphodiester linkage between adjacent nucleotides in nucleic acids

(a) 3’-phosphate of one nucleotide joins the 3’-hydroxyl of the next nucleotide
(b) 3’-phosphate of one nucleotide joins the 5’-hydroxyl of the next nucleotide
(c) 5’-phosphate of one nucleotide joins the 5’-hydroxyl of the next nucleotide
(d) 5’-phosphate of one nucleotide joins the 3’-hydroxyl of the next nucleotide

(d) 5’-phosphate of one nucleotide joins the 3’-hydroxyl of the next nucleotide

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