1.

Digestion of protein begins in the stomach and ends in the

2.

Digestion of rice in humans starts from the

3.

Digestion of protein begins in the stomach and ends in the

4.

Starch is digested and absorbed into the blood as

5.

The digestion of carbohydrates starts in the

6.

7.

Faeces is the

8.

Which of the following classes of food can be broken down into amino acids?

9.

When bread is chewed for a long time, it tastes sweeter because it

10.

Digestion is a process by which food is

11.

The reason for chewing food before swallowing is to

12.

What structure links the mouth with the stomach? The

13.

Which of the following does not play any part in digestion?

14.

In which part of the alimentary canal is food finally changed into a form that can be absorbed into the bloodstream?

15.

Digested food is absorbed into the blood stream through the

16.

Which of the following form part of the alimentary canal?

I. Colon

II. Gullet

III. Liver

IV. Pancreas

17.

By the end of digestion, lean meat is turned into

18.

What structure links the mouth to the stomach

19.

Digestion of protein starts in the

20.

The end product of protein digestion is

21.

The substances which help in the digestion of food materials are called

22.

The end-product of the digestion of carbohydrates is

23.

Digestion of starch in humans starts from the

24.

Which of the following substances is a digestive juice?

25.

The irregular emptying of the bowels is the cause of

26.

Digested food substances are absorbed into the blood stream in the

27.

Which of the following substances breaks down fats into tiny droplets during digestion?

28.

Which of the following structures takes part in human digestion?

29.

The chemical substances which help in the digestion of food are known as

30.

Digestion of proteins starts from the

31.

Soluble digested food substances enter the blood of the human body by a process called

32.

The farm animal which has crop as part of its digestive system is the

33.

Amino acids are the end-products of the digestion of

34.

In which part of the digestive system of a fowl does grinding of feed take place?

35.

In the digestive system of ruminants, vitamins are synthesized in the

36.

Which of the following food items produces amino acids as end-product of digestion?

37.

Digestion of fats and oils in humans starts in the

38.

Which of the following enzymes helps in digestion of protein in the human stomach?

I. Proteases

II. Amylase

III. Lipases

39.

The end-product of digestion of fats and oils is

40.

Which of the following is not a function of the digestive system?

41.

Saliva contains the enzyme

42.

Which of the following is not a function of saliva?

43.

Identify the two primary components of saliva.

44.

Identify the function of amylase.

45.

How long does food normally stay in the stomach?

46.

List the regions of the small intestine in the correct order from first to last.

47.

Where do the pancreatic enzymes function?

48.

What is the function of bile?

49.

Bile is produced by the ...... and stored in the ......

50.

Which of the following is not a normal function of the bacteria living in the large intestine?

51.

Both pepsin and trypsin primarily produce products called

52.

Which of the following is not a function of the liver?

53.

What substance is needed by the digestive enzymes to chemically break down food?

54.

The final products of the enzymatic digestion of carbohydrates (starch) are

55.

Carbohydrates (starches) are chemically broken down in the

56.

Identify the locations of protein digestion.

57.

he final product(s) of protein digestion is/are

58.

Enzymes for carbohydrate digestion come from all of the following sources except

59.

Enzymes for protein digestion come from all of the following sources except

60.

Fats, such as triglycerides, are chemically broken down into

61.

Which of the following is the correct enzyme to break down lactose into glucose and galactose?

62.

Which of the following digestion products are not absorbed directly into the blood for distribution to the body?