Digestive Systems

Review Questions

Which of the following is a pseudo-ruminant?

  1. cow
  2. pig
  3. crow
  4. horse

Hint:

D

Which of the following statements is untrue?

  1. Roughage takes a long time to digest.
  2. Birds eat large quantities at one time so that they can fly long distances.
  3. Cows do not have upper teeth.
  4. In pseudo-ruminants, roughage is digested in the cecum.

Hint:

B

The acidic nature of chyme is neutralized by ________.

  1. potassium hydroxide
  2. sodium hydroxide
  3. bicarbonates
  4. vinegar

Hint:

C

The digestive juices from the liver are delivered to the ________.

  1. stomach
  2. liver
  3. duodenum
  4. colon

Hint:

C

A scientist dissects a new species of animal. If the animal’s digestive system has a single stomach with an extended small intestine, to which animal could the dissected specimen be closely related?

  1. lion
  2. snowshoe hare
  3. earthworm
  4. eagle

Hint:

B