Animal Digestion and Nutrients Quiz

What is digestion?

• The chemical and mechanical breakdown of food into nutrients.

• The process of breathing in oxygen.

• The movement of blood through the body.

• The absorption of water from the environment.

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Why are nutrients important for animals?

• For energy, growth, tissue repair, and reproduction.

• Only for making food taste better.

• Only for keeping the animal warm.

• Only for helping the animal sleep.

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What does the type of digestive system in an animal determine?

• What an animal can eat and how efficiently it extracts nutrients.

• The color of the animal’s fur.

• The animal’s speed.

• The animal’s ability to fly.

If an animal’s digestive system is not efficient, what might happen?

• The animal may not extract enough nutrients from its diet.

• The animal will grow faster.

• The animal will become more intelligent.

• The animal will need less food.

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How might a change in an animal’s digestive system affect its diet and health?

• It could change what foods the animal can eat and how well it gets nutrients, impacting its energy, growth, and reproduction.

• It would only affect the animal’s color.

• It would make the animal sleep more.

• It would have no effect at all.

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What does the term "monogastric" refer to in the digestive system?

• Having one chamber in the stomach

• Having multiple stomach chambers

• Having no stomach

• Having a divided stomach

Which of the following is NOT a major digestive organ in the monogastric digestive system?

• Mouth

• Esophagus

• Liver

• Small Intestine

What is the function of amylase in the monogastric digestive system?

• Digests protein in the stomach

• Digests starch in saliva

• Absorbs nutrients in the small intestine

• Breaks down cellulose in the large intestine

Why are monogastric digestive systems poor at digesting cellulose (fiber)?

• They lack the necessary enzymes

• They have too many stomach chambers

• They digest only proteins

• They have a short esophagus

Explain why pepsin is important in the monogastric digestive system and what it digests.

• Pepsin is important because it digests protein in the stomach.

• Pepsin is important because it digests starch in the saliva.

• Pepsin is important because it absorbs water in the large intestine.

• Pepsin is important because it breaks down cellulose in the small intestine.