Gaseous Exchange

Question 1

What is the primary function of gaseous exchange in living organisms?

Answer 1

To exchange oxygen and carbon dioxide between the organism and its environment.

Question 2

True or False: Gaseous exchange occurs only in the lungs of mammals.

Answer 2

False.

Question 3

Fill in the blank: In humans, oxygen is primarily absorbed in the _____ of the lungs.

Answer 3

alveoli.

Question 4

Which gas is produced as a waste product of cellular respiration?

Answer 4

Carbon dioxide.

Question 5

Multiple Choice: Which of the following processes describes the movement of oxygen from the alveoli into the blood? A) Diffusion B) Active Transport C) Osmosis

Answer 5

A) Diffusion.

Question 6

What role do capillaries play in gaseous exchange?

Answer 6

They facilitate the exchange of gases between the alveoli and the bloodstream.

Question 7

True or False: The concentration gradient is not important for gaseous exchange.

Answer 7

False.

Question 8

What is the primary gas transported by hemoglobin in red blood cells?

Answer 8

Oxygen.

Question 9

Fill in the blank: Gaseous exchange in plants occurs primarily through _____ during photosynthesis.

Answer 9

stomata.

Question 10

Short Answer: How does exercise affect the rate of gaseous exchange?

Answer 10

Exercise increases the rate of gaseous exchange due to higher oxygen demand and increased carbon dioxide production.