Biology Online MCQs Quiz Online PDF Book Download

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MCQ on Biology OnlineQuiz Book Download

MCQ: Annual worldwide incidence of cholera is

  1. 1-2 million
  2. 1-3 million
  3. 1-5 million
  4. 3 -5 million


MCQ: Each DNA molecule in a nucleus makes an identical copy of itself

  1. During Synthesis phase of interphase
  2. During formation of autosomes
  3. During formation of sex chromosomes
  4. During mitosis


MCQ: Addition of water in carbohydrate is reverse of condensation and is known as

  1. Polymerization
  2. Hydrolysis
  3. Titration
  4. Disintegration


MCQ: Tunica media near heart does not include

  1. More muscles
  2. Fewer elastic fibers
  3. More elastic fibers
  4. No collagen


MCQ: In plants, movement of water from cell to cell is

  1. Plasmodesmata
  2. Referred to as Plasmodesmata
  3. Referred to as symplast pathways
  4. Referred to as apoplast pathways