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MCQ 1: Hair contains keratin proteins which are also present in nails and wool is an example of:

  1. Biochemistry
  2. Inorganic chemistry
  3. Physical chemistry
  4. organic chemistry

MCQ 2: Biochemistry deals with:

  1. physical changes in living organisms only
  2. chemical changes in living organisms only
  3. genetically changes in living organisms
  4. physical and chemical changes in living organisms

MCQ 3: Branch of chemistry dealing with the plantation and overcoming greenhouse effect is:

  1. Biochemistry
  2. Organic chemistry
  3. Environmental chemistry
  4. Inorganic chemistry

MCQ 4: Which of the following is present in vinegar?

  1. 10% acetic acid
  2. 5%acetic acid
  3. 7% acetic acid
  4. 8% acetic acid

MCQ 5: A science that examines the material this universe contains and changes in them is called:

  1. Chemistry
  2. Physics
  3. Biology
  4. Geography

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