MDCAT Pakistan · Biology

Cell Biology and Biochemistry

22 practice questions, each with the answer and an explanation.

Practise Cell Biology and Biochemistry now

Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 22 questions

  1. Which organelle is the main site of ATP production in eukaryotic cells?
  2. Which organelle contains hydrolytic enzymes for intracellular digestion?
  3. Where does the Calvin cycle take place in a plant cell?
  4. Which molecule carries the genetic code from the nucleus to the ribosome?
  5. Which bond joins amino acids in a protein?
  6. Which bond links the nucleotides in one strand of DNA?
  7. Which carbohydrate is the main storage form in animal cells?
  8. Which polysaccharide forms the cell wall of plants?
  9. What is the role of the enzyme in a chemical reaction?
  10. What happens to an enzyme at a temperature far above its optimum?
  11. How many net ATP molecules does glycolysis produce from one molecule of glucose?
  12. Where does the Krebs cycle occur in a eukaryotic cell?
  13. Which process moves water across a semi-permeable membrane from lower to higher solute concentration?
  14. Which type of transport needs ATP?
  15. During which phase of mitosis do sister chromatids separate?
  16. During which phase of meiosis does crossing over occur?
  17. How many chromosomes are in a human gamete?
  18. Which pigment absorbs light for photosynthesis in most plants?
  19. Which gas is released as a by-product of the light reactions of photosynthesis?
  20. Which statement about the electron transport chain is correct?
  21. A cell in a hypotonic solution absorbs water and bursts. Which cell is most likely to do this?
  22. What is the shape of a DNA molecule?

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