Digestive System Quiz

What is the main function of digestion in the gastrointestinal tract?

• Absorb oxygen from food.

• Produce energy by breaking down molecules.

• Transport food directly to the bloodstream.

• Transform nutrients into fat tissue.

Which of the following is an example of mechanical digestion?

• Chewing.

• The action of HCl in the stomach.

• Enzymatic activity in the small intestine.

• Bile acid production.

Ruminants have four stomach compartments, while non-ruminants have only one.

• True

• False

What is the main difference between enzymatic digestion and microbial digestion?

• Microbial digestion occurs in the rumen, while enzymatic digestion happens in the abomasum.

• Enzymatic digestion involves living microorganisms.

• Microbial digestion is exclusive to carnivores.

• Both occur in the large intestine.

Which nutrient transport method requires energy?

• Passive diffusion.

• Facilitated diffusion.

Proteins are exclusively used to produce energy in the animal body.

• True

• False

Tags

NGSS.HS-LS1-7

What is the primary site of microbial fermentation in ruminants?

• Stomach

• Rumen

• Large intestine

• Abomasun

Tags

NGSS.MS-LS2-3

The omasum is primarily responsible for absorbing water and nutrients in ruminants.

• True

• False

Complete the sentence: Nutrients that regulate body functions, such as enzymes and hormones, are generally composed of:

• Minerals and vitamins

• Carbohydrates and fats

• Proteins and minerals

• Water and lipids

Tags

NGSS.MS-LS1-7