NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Nucleotide Multiple Choice Questions
MCQs on Nucleotide :
1. 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
Answer
Answer: (a)
2. Uridine present in RNA is
(a) nucleotides
(b) pyrimidine
(c) purine
(d) nucleoside
Answer
Answer: (d)
3. 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
Answer
Answer: (c)
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
Answer
Answer: (c)
5. Nucleoside contains
(a) base-sugar
(b) base-phosphate
(c) base-sugar-phosphate
(d) sugar-phosphate
Answer
Answer: (a)
6. ATP is a
(a) nucleoside
(b) nucleotide
(c) vitamin
(d) nucleic acid
Answer
Answer: (b)
7. 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
Answer
Answer: (d)
8. The sugar molecule present in nucleotide is
(a) triose
(b) tetrose
(c) pentose
(d) hexose
Answer
Answer: (c)
9. 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
Answer
Answer: (b)
10. Purine base found in RNA is
(a) Cytosine
(b) Thymine
(c) Guanine
(d) Uracil
Answer
Answer: (c)