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MOLECULES OF LIFE (T1) 2022.2023

Total questions: 10

Worksheet time: 8mins

Name
Class
Date
1.

Which statement is NOT a property of water?

a)

It is a monopolar molecule.

b)

Water is a universal solvent due to its polarity.

c)

Water has high specific heat capacity.

d)

Water has a high surface tension.

2.

Which pair is MISMATCHED?

a)

monosaccharide: maltose

b)

disaccharide: sucrose

c)

polysaccharide: cellulose

d)

None of these pairs are correctly matched

3.

Which of these terms is most INCLUSIVE?

a)

Monosaccharide

b)

Polysaccharide

c)

Disaccharide

d)

Carbohydrate

4.

Which of the following statement is TRUE about

carbohydrates?

a)

All monosaccharides soluble in water.

b)

Sucrose and lactose are example of polysaccharides.

c)

Polysaccharides functions as long-term energy storage

molecules.

d)

A disaccharide contains two monosaccharides that are

joined through hydrolysis reaction.

5.

Carbohydrate molecules ...

a)

serve as structural components of human cell walls.

b)

form the regulatory compounds known as enzymes.

c)

are a source of energy.

d)

contain the genetic information of a cell and help protect

vital organs from damage.

6.

Which of the following is the storage carbohydrates found in

potato tuber?

a)

Sucrose

b)

Starch

c)

Glucose

d)

Fructose

7.

The process illustrated in the figure is called ...

a)

condensation.

b)

protein synthesis.

c)

hydrolysis.

d)

denaturation.

8.

The products of the process in the accompanying figure are ...

a)

amino acids.

b)

molecules of glycerol.

c)

representative of a glycoside linkage.

d)

monosaccharides.

9.

Which one of the following carbohydrates is the most

structurally complex?

a)

Sucrose

b)

Fructose

c)

Cellulose

d)

Glucose

10.

Which of the following illustrates hydrolysis?

a)

The reaction of two monosaccharides to form a

disaccharide.

b)

The reaction of two amino acids to form a dipeptide.

c)

the reaction of a hydrogen atom and a hydroxide ion to

form water.

d)

The reaction of a fat to form glycerol and fatty acids.