Double Helix MCQs Quiz Online PDF Download

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MCQs on Double HelixQuiz PDF Download

MCQ: Two strands of DNA are held together by

  1. hydrogen bond
  2. Vander wall interaction
  3. ionic interaction
  4. covalent interaction


MCQ: Phenomenon in which H bonds pair bases of nucleotides in one chainto complementary bases in other is called

  1. pairing
  2. sugar pairing
  3. base pairing
  4. phosphate pairing


MCQ: Two strands of DNA are

  1. parallel to each other
  2. perpendicular to each other
  3. antiparallel to each other
  4. at an acute angle with each other