Q1. Respiration is a process that:
Q2. Aerobic respiration requires:
Q3. The end products of anaerobic respiration in yeast are:
Q4. Which organelle is called the powerhouse of the cell?
Q5. During heavy exercise, muscles respire anaerobically and produce:
Q6. The breathing rate of an average adult at rest is about:
Q7. During inhalation, the diaphragm:
Q8. Gaseous exchange in humans takes place in the:
Q9. Fish breathe through their:
Q10. Insects breathe through:
Q11. An earthworm breathes through its:
Q12. Plants exchange gases for respiration mainly through:
Q13. Which of the following is true about plants?
Q14. Yeast is used in making bread because it produces:
Q15. Exhaled air has more _____ compared to inhaled air.
Q16. Which of these produces the MOST energy?
Q17. The correct pathway of air in the human respiratory system is:
Q18. Haemoglobin is found in: