Respiration

Question 1

What is the main substrate of cellular respiration?

Answer 1

> Glucose

Question 2

Which equation represents aerobic respiration?

Answer 2

> Glucose + oxygen ➡️

Carbon dioxide + water + energy

Question 3

Lactic acid accumulated in an athelete’s muscles after taking part in 100 m sprint.
Which of the following contribute to the situation?

Answer 3

> Anaerobic respiration in muscles increases

Question 4

Which activity produced the highest concentration of lactic acid in the muscle?

Answer 4

> Sprint running

Question 5

What is the end product of anaerobic respiration in human?

Answer 5

> Lactic acid

Question 6

What is the effect of high accumulation of lactic acid in the muscle during anaerobic respiration?

Answer 6

> Muscle cramp

Question 7

Which of the following is a similarity between aerobic respiration and anaerobic respiration in human muscle?

Answer 7

> Energy is released

Question 8

In the respiratory system of a fish, where does gaseous exchange occur?

Answer 8

> Filament

Question 9

Which statement describes the immediate effect of smoking on the respiratory surface?

Answer 9

> Dries up the lining of alveoli

Question 10

Which equation represents anaerobic respiration?

Answer 10

> Glucose ➡️ Lactic acid + Energy