Respiration (Aerobic and Anaerobic)Practice Questions & MCQs
Practice Respiration (Aerobic and Anaerobic) questions from Life Processes (Class 10 Science) - important MCQs with answers and step-by-step solutions. Solve the sample questions below, then practice the full set free on the RankByte app.
Respiration (Aerobic and Anaerobic)Quiz - Solve & Score
Q1. Exhaled air is bubbled through lime water and it turns milky quite quickly. What does this show about the air we breathe out?
- A.Exhaled air contains a higher proportion of carbon dioxide than inhaled air
- B.Exhaled air contains no carbon dioxide at all
- C.Exhaled air contains only oxygen
- D.Exhaled air has the same composition as inhaled air
Answer: A. Exhaled air contains a higher proportion of carbon dioxide than inhaled air
Q2. Where does aerobic respiration (in the presence of oxygen) take place in a cell, and where does anaerobic respiration occur in our muscles during heavy exercise?
- A.Aerobic respiration in the mitochondria; anaerobic respiration in the cytoplasm of oxygen-deficient muscle cells
- B.Both occur only in the nucleus
- C.Aerobic respiration in the cytoplasm; anaerobic respiration in the mitochondria
- D.Both occur only in the chloroplast
Answer: A. Aerobic respiration in the mitochondria; anaerobic respiration in the cytoplasm of oxygen-deficient muscle cells
Q3. Why does aerobic respiration release more energy than anaerobic?
- A.it uses more glucose
- B.it occurs faster always
- C.glucose is completely oxidised using oxygen
- D.it does not need enzymes
Answer: C. glucose is completely oxidised using oxygen
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