Polysaccharides, nucleic acid β€” NEET Biology Questions

Practice 31 questions on Polysaccharides, nucleic acid from Biomolecules (NCERT Class 11, Chapter 9). Free samples below β€” get all 31 in the app.

31 Questions Biomolecules Class 11

Sample Questions β€” Polysaccharides, nucleic acid

Try 5 questions below from Polysaccharides, nucleic acid. Get all 31 in the MedicNEET app.

MCQ
Which polysaccharide is found in the liver of animals?
  • A. Cellulose
  • B. Glycogen
  • C. Inulin
  • D. Starch
βœ… Correct Answer: B
Glycogen is the storage polysaccharide found in liver and muscle.
MCQ
A nucleotide is made up of:
  • A. A sugar and phosphate only
  • B. A base and sugar only
  • C. A base, sugar and phosphate
  • D. A sugar and nitrogen only
βœ… Correct Answer: C
A nucleotide is formed of three components.
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MCQ
Why is DNA said to carry genetic information?
  • A. It can be stored in the ribosome
  • B. It contains uracil
  • C. It consists of repeating glucose units
  • D. It has a specific sequence of bases
βœ… Correct Answer: D
The order of nitrogenous bases in DNA determines genetic instructions and codes for proteins.
MCQ
Why is glycogen a better storage polysaccharide than starch in animals?
  • A. It is found in plants
  • B. It is more branched and compact
  • C. It is a homopolymer of fructose
  • D. It contains protein
βœ… Correct Answer: B
Glycogen’s high branching allows it to be compact and quickly mobilized in animals, making it a more efficient energy reserve.
MCQ
Assertion (A): DNA is called an informational macromolecule. Reason (R): It contains repeating units of only one type of nucleotide.
  • A. Both A and R are true, and R is the correct explanation of A
  • B. Both A and R are true, but R is not the correct explanation of A
  • C. A is true, R is false
  • D. A is false, R is true
βœ… Correct Answer: C
DNA is informational due to sequence variation among four nucleotides, not a single repeating unit.

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