DNA MCQs with answers Page - 5

You will find multiple-choice questions (MCQs) related to #DNA here. Go through these questions to prepare effectively for your upcoming exams and interviews.

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Q. Which bond holds DNA strands together?

  • (A) Ionic bond
  • (B) Covalent bond
  • (C) Hydrogen bond
  • (D) Peptide bond

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Q. What is a gene?

  • (A) A protein
  • (B) A segment of DNA
  • (C) A cell
  • (D) A chromosome

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Q. Where is DNA located in eukaryotic cells?

  • (A) Cytoplasm
  • (B) Nucleus
  • (C) Ribosome
  • (D) Cell membrane

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Q. Which process converts DNA into RNA?

  • (A) Replication
  • (B) Translation
  • (C) Transcription
  • (D) Mutation

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Q. Which process converts RNA into protein?

  • (A) Replication
  • (B) Transcription
  • (C) Translation
  • (D) Mutation

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Q. What is the function of DNA?

  • (A) Store genetic information
  • (B) Produce energy
  • (C) Digest food
  • (D) Transport oxygen

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Q. Which type of RNA carries amino acids?

  • (A) mRNA
  • (B) tRNA
  • (C) rRNA
  • (D) snRNA

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Q. What is the complementary strand of ATCG?

  • (A) TAGC
  • (B) ATCG
  • (C) CGTA
  • (D) GCAT

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Q. Which enzyme is responsible for relieving supercoiling tension ahead of the replication fork?

  • (A) Helicase
  • (B) Topoisomerase
  • (C) Ligase
  • (D) Primase

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Q. In DNA replication, the lagging strand is synthesized in:

  • (A) Continuous fragments
  • (B) Okazaki fragments
  • (C) Helical loops
  • (D) Single units
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