Question
Air entering human lungs contains approximately 21% oxygen and 0.04% carbon dioxide.
Which row shows the concentrations of these gases in air leaving the lungs?
▶️Answer/Explanation
Ans : C
Question
Which process releases the most energy from one molecule of glucose?
A aerobic respiration
B anaerobic respiration in muscle
C anaerobic respiration in yeast
D photosynthesis
Answer/Explanation
Ans: A
Question
Why is yeast used in bread-making?
A to provide carbon dioxide
B to provide ethanol
C to provide lactic acid
D to provide oxygen
Answer/Explanation
Ans: A
Question
Which process releases the most energy from one molecule of glucose?
A aerobic respiration
B anaerobic respiration in muscle
C anaerobic respiration in yeast
D photosynthesis
Answer/Explanation
Ans: A
Question
What is produced by anaerobic respiration in yeast?
Answer/Explanation
Ans
C