Other questions in this quiz

2. During inspiration in a fish, what happens to the muscles in the mouth and the operculum

  • Mouth contracts, opercular muscles relax
  • Mouth contract, opercular muscles contract
  • Mouth relaxes, opercular muscles relax
  • Mouth relaxes, opercular muscles contract

3. How many ATOMS of Oxygen can a haemoglobin molecule carry

  • 16
  • 4
  • 8
  • 2

4. Which of the following factors do not affect the rate of transpiration

  • humidity
  • wind
  • concentration of nitrogen in the air
  • light intensity

5. Do introns or exons code for amino acids in the final protein

  • Introns
  • Exons


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