College Biology MCQs Quiz Online PDF Download

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IGCSE biology practice test MCQ: fats act as with choices an insulating material, a constituent of protoplasm, a substance that restricts water loss and all of these with online learning guide for international exams' preparation like MCAT subjective test. Free study guide is for online learning college biology quiz with MCQs to practice test questions with answers.

MCQs on College Biology Quiz PDF Download

MCQ. Fats act as

  1. an insulating material
  2. a constituent of protoplasm
  3. a substance that restricts water loss
  4. all of these

D

MCQ. Due to osmotic pressure in marine fish, kidneys

  1. excretes salts
  2. excretes small amount of water
  3. produce concentrated urine
  4. all of these

D

MCQ. Amino acid chain in a protein molecule is

  1. straight
  2. coiled
  3. curved
  4. concave

B

MCQ. Elements of carbon (C), hydrogen (H2) and oxygen (O2) are present in

  1. fats
  2. carbohydrates
  3. vitamins
  4. both A and B

D

MCQ. Trace elements do not include

  1. iodine
  2. zinc
  3. manganese
  4. calcium

D