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Worksheets

Carbohydrates (Lesson 15)

Total questions: 24

Worksheet time: 12mins

Name
Class
Date
1.

polysaccharides which on hydrolysis yield mixtures of hetero polysaccharides and derived products.

a)

heteropolysaccharides

b)

mucopolysaccharides

c)

hyaluronic acid

d)

heparin/e

2.

made up of N-acetyl-hexosamine and hexose.

a)

neutral mucopolysaccharides

b)

acid mucopolysaccharides

3.

made up of D-glucoronic acid, D-glucosamine and acetic acid. (lalabas to sa quiz)

a)

acid mucopolysaccharides

b)

hyaluronic acid

c)

heparin/e

d)

acid polysaccharides

4.

powerful inhibitor of blood clotting.

a)

heparin/e

b)

mucopolysaccharides

c)

lipids

d)

hyaluronic acid

5.

all are part of the five GAGs EXCEPT

a)

hyaluronic acid

b)

chondroitin sulfate

c)

keratan sulfate

d)

hexosan

e)

heparin

6.

(sa GAG to ah) contains D-glucoronic acid and glucosamine (baka ito rin yung lalabas sa quiz)

a)

hyaluronic acid

b)

hexosan

c)

heparin

d)

keratan sulfate

7.

most abundant GAG in the body, contains D-glucoronic acid + galactosamine.

a)

keratan sulfate

b)

dermatan sulfate

c)

chondroitin sulfate

d)

heparin

8.

contains L-iduronic acid + glucosamine, major GAG synthesized by arterial smooth muscle cells.

a)

heparin

b)

keratan sulfate

c)

dermatan sulfate

9.

contains D-galactose + glucosamine, only GAG with no uronic acid.

a)

heparin

b)

keratan sulfate

10.

the only intracellular GAG

a)

heparin

b)

chondroitin sulfate

c)

dermatan sulfate

d)

keratan sulfate

11.

starch is crystalline solid

a)

true

b)

false

12.

sugar is slightly soluble in water

a)

true

b)

false

13.

starch has a sweet aftertaste

a)

true

b)

false

14.

polysaccharides are not sweet/tasteless

a)

true

b)

false

15.

dextrorotatory

a)

right (+)

b)

left (-)

16.

levorotatory

a)

right (+)

b)

left (-)

17.

all are agents of hydrolysis EXCEPT

a)

acid

b)

heat

c)

solubility

d)

enzymes

18.

petal-shaped crystal formation

a)

maltose

b)

lactose

c)

galactose

d)

glucose

19.

rhombic-plate shaped

a)

lactose

b)

fructose

c)

mannose

d)

galactose

20.

all are broom-shaped in crystal formation EXCEPT

a)

glucose

b)

lactose

c)

fructose

21.

first one to form an osazone

a)

maltose

b)

lactose

c)

mannose

d)

galactose

22.

a general test for carbohydrates except trioses and tetroses.

a)

molisch test

b)

andersson's test

c)

fehling's test

d)

testest

23.

aldehyde -> acid

a)

oxidation

b)

reduction

24.

aldehyde -> alcohol

a)

oxidation

b)

reduction