DNA MCQs with answers Page - 1

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. What does DNA stand for?

  • (A) Deoxyribonucleic Acid
  • (B) Deoxyribogenetic Acid
  • (C) Deoxyriboprotein Acid
  • (D) Dioxyribonucleic Acid

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Q. Who discovered the double-helix structure of DNA?

  • (A) Watson and Crick
  • (B) Mendel and Morgan
  • (C) Darwin and Lamarck
  • (D) Franklin and Avery

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Q. In a DNA molecule, adenine always pairs with which base?

  • (A) Cytosine
  • (B) Thymine
  • (C) Guanine
  • (D) Uracil

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Q. What is the shape of the DNA molecule?

  • (A) Linear chain
  • (B) Double helix
  • (C) Single helix
  • (D) Circular spiral

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Q. Which sugar is present in DNA?

  • (A) Glucose
  • (B) Deoxyribose
  • (C) Ribose
  • (D) Fructose

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Q. What are the building blocks of DNA called?

  • (A) Nucleotides
  • (B) Amino acids
  • (C) Polypeptides
  • (D) Proteins

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Q. Which of the following bases is not found in DNA?

  • (A) Adenine
  • (B) Thymine
  • (C) Uracil
  • (D) Guanine

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Q. What type of bond connects the nitrogen bases in DNA?

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

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Q. Where is DNA mainly located in eukaryotic cells?

  • (A) Cytoplasm
  • (B) Mitochondria
  • (C) Nucleus
  • (D) Ribosome

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Q. Which of the following scientists proved that DNA is the genetic material?

  • (A) Hershey and Chase
  • (B) Watson and Crick
  • (C) Franklin and Pauling
  • (D) Mendel and Morgan
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