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Gas Exchange Process Quiz

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Questions and Answers

What is the main purpose of gas exchange in living organisms?

To provide oxygen for cellular respiration and remove carbon dioxide (correct)
To release energy for cellular processes
To regulate the temperature of the organism
To maintain a balance of gases in the environment

Which type of organisms typically have a high surface-area to volume ratio for gas exchange through the cell membrane?

Plants with spongy mesophylls
Small unicellular organisms (correct)
Large multicellular organisms
Marine invertebrates with gills

In most larger organisms, what specialized structures provide the large area needed for effective gas exchange?

Thick fur coat
Smooth external skin
Pulmonary alveoli (correct)
Hard exoskeleton

What is the function of gills in marine animals?

To exchange gases with the surrounding water (D) Signup and view all the answers

Why do small multicellular organisms like flatworms perform sufficient gas exchange across their skin or cuticle?

Because they lack specialized gas exchange structures (A) Signup and view all the answers

Which type of organism consists of a single cell?

Prokaryotic organism (C) Signup and view all the answers

What are the two general categories of organisms mentioned in the text?

Prokaryotic and eukaryotic (A) Signup and view all the answers

Which of the following is considered to be the oldest form of life?

Prokaryotic organisms (A) Signup and view all the answers

Which type of multicellular organism has reproductive unicells?

Multicellular organisms with gametes (D) Signup and view all the answers

Which type of organism has cells that depend on each other to survive?

Multicellular organisms (A) Signup and view all the answers

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