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Digestion and absorption

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

Amino acids are linked together chemically to form molecules of

a)

Simple Carbohydrates

b)

Complex Carbohydrates

c)

Really Complex Carbohydrates

d)

Proteins

2.

Which of the following is NOT a nutrient?

a)

Fats

b)

Water

c)

Fiber

d)

Vitamins

3.

Bile is produced by the

a)

Liver

b)

Pancreas

c)

Small Intestine

d)

Large Intestine

4.

what is the aim of the visking tubing?

a)

to store sugar and starch

b)

to allow starch molecules to pass through since they are large

c)

to allow glucose molecules to pass through since they are small

d)

to stop water from getting to the starch and sugar solution

5.

which nutrients, were able to get out of the tubing?

a)

glucose

b)

starch

c)

water

d)

air

6.

A test using Benedict and Iodine solution was done on the water after some time. what will be the result?

a)

Iodine and Benedict solutions are unchanged

b)

Iodine turns blue-black and Benedict solution remains unchanged

c)

Both Iodine and Benedict solution change colours

d)

Benedict solution turns brick red and Iodine remains unchanged

7.

In terms of the visking tubing, what is a semi-permeable membrane?

a)

a membrane that allows anything to pass through it

b)

a membrane that allows large molecules to pass through it

c)

a membrane that allows small molecules to pass through it

d)

a membrane that does nothing

8.

where do we find a semi permeable membrane in the digestive system?

a)

stomach

b)

gall bladder

c)

liver

d)

small intestine

9.

Enzymes are catalysts. What is a catalyst

a)

speeds up a chemical reaction

b)

slows down a chemical reaction

c)

has no effect on a chemical reaction

d)

it slows dow and speeds up a chemical reaction

10.

what are enzymes made up of?

a)

sugars

b)

proteins

c)

fats

d)

fiblre

11.

what enzyme is present in the mouth to digest carbohydrates?

a)

amylase

b)

lipase

c)

trypsin

d)

bile

12.

which enzyme digests protein in the stomach?

a)

amylase

b)

trypsin

c)

bile

d)

hydrochloric acid

13.

Which enzyme breaks down fats and oils in the small interstine?

a)

lipase

b)

amylase

c)

protease

d)

glucose

14.

Enzymes are sensitive to

a)

air

b)

temperature

c)

water

d)

nothing