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BIOCHEMISTRY MCQs

Total Questions : 44 | Page 3 of 5 pages
Question 21. What products are produced during photosynthesis?
  1.    chloride and sugar
  2.    oxygen and sugar
  3.    carbon dioxide and sugar
  4.    nitrogen and sugar
 Discuss Question
Answer: Option B. -> oxygen and sugar
Question 22. Which is a function of lipids?
  1.    to supply cells with quick–release energy
  2.    to provide the body with insulation
  3.    to store genetic information
  4.    to regulate cell processes
 Discuss Question
Answer: Option B. -> to provide the body with insulation
Question 23. What are the products of aerobic cellular respiration?
  1.    glucose and water
  2.    glucose and oxygen
  3.    carbon, hydrogen, and water
  4.    carbon dioxide, water, and energy
 Discuss Question
Answer: Option D. -> carbon dioxide, water, and energy
Question 24. How do photosynthesis and cellular respiration differ?
  1.    Photosynthesis uses food and cellular respiration produces food.
  2.    Photosynthesis uses oxygen and cellular respiration uses carbon dioxide.
  3.    Photosynthesis breaks down carbohydrates and cellular respiration produces carbohydrates.
  4.    Photosynthesis gives off oxygen and cellular respiration uses oxygen.
 Discuss Question
Answer: Option D. -> Photosynthesis gives off oxygen and cellular respiration uses oxygen.
Question 25. What is the function of a nucleic acid?
  1.    it transmits genetic information.
  2.    It is involved in body insulation.
  3.    It provides your body with the energy it needs.
  4.    It is involved in energy storage.
 Discuss Question
Answer: Option A. -> it transmits genetic information.
Question 26. What is the monomer of a lipid?
  1.    Nucleotide
  2.    Fatty Acid & Glycerol
  3.    Polysaccharide
  4.    Amino Acid
 Discuss Question
Answer: Option B. -> Fatty Acid & Glycerol
Question 27. All organic compounds contain the element
  1.    carbon
  2.    nitrogen
  3.    phosphorus
  4.    sulfur
 Discuss Question
Answer: Option A. -> carbon
Question 28. What is the attraction between molecules of different substances?
  1.    Adhesion
  2.    Suspension
  3.    Cohesion
  4.    Solution
 Discuss Question
Answer: Option A. -> Adhesion
Question 29. Which energy level has the highest amount of energy?
  1.    first shell (closest the nucleus)
  2.    second shell
  3.    third shell (farthest from nucleus)
 Discuss Question
Answer: Option C. -> third shell (farthest from nucleus)
Question 30. How many valence electrons are in Phosphorus?
  1.    1
  2.    5
  3.    3
  4.    9
 Discuss Question
Answer: Option B. -> 5

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