Pyrimidine and Purine Residues MCQs Quiz Online PDF Download

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MCAT biology practice test MCQ: common purines are with choices adenine, guanine, cytosine and uracil and both a and b with online learning guide for international exams' preparation like MCAT subjective test. Free study guide is for online learning pyrimidine and purine residues quiz with MCQs to practice test questions with answers.

MCQs on Pyrimidine and Purine Residues Quiz PDF Download

MCQ: Common purines are

  1. adenine
  2. guanine
  3. cytosine and uracil
  4. Both A and B


MCQ: Pyrimidine and purines are strong

  1. reflectors
  2. absorbers
  3. refractors
  4. Neutral


MCQ: Important functional groups participating in H-bond formation are amino groups of

  1. cytosine
  2. adenine
  3. guanine
  4. all of above


MCQ: Pyrimidine and purine exist as

  1. tautomeric pairs
  2. allosteric pairs
  3. chromosome pairs
  4. Same structural forms


MCQ: Common naturally occurring pyrimidines are

  1. cytosine
  2. uracil
  3. thymine
  4. all of above