IB Biology Practice Test

What atoms make up all carbohydrates?

• Carbon, Sulfur, Hydrogen
• Carbon, Oxygen, Phosphorus
• Carbon, Oxygen, Nitrogen
• Carbon, Oxygen, Hydrogen

Tags

NGSS.MS-PS1-1

How many sugar units make up monosaccharides?

• one
• two
• three
• zero

How many sugar units make up disaccharides?

• one
• two
• three
• zero

Tags

NGSS.MS-LS1-7

What type of carbohydrate is this?

• polysaccharide
• disaccharide
• monosaccharide
• it isn't a carbohydrate

Tags

NGSS.MS-PS1-1

Some carbohydrate foods are ________

• fruits
• grains
• vegetables
• all the above

Which of the following is found in plant cell walls?

• Amylose

• Cellulose

• Amylopectin

• Starch

• Glycogen

Which of the following is used by animals?

• Amylose

• Cellulose

• Amylopectin

• Starch

• Glycogen

What molecule is the monomer (building block) for all polysaccharides?

• amino acid

• glucose

• cellulose

• starch

Monosaccharides are monomers of

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acids

Denaturation is a structural change in a protein that results in the loss (usually permanent) of its biological properties.

• False

• True