Biomolecules and Functional Groups Quiz

Test your knowledge of biochemistry with questions on biomolecules, functional groups, and their roles in living organisms.

#1

Which biomolecule is the primary source of energy for living organisms?

Carbohydrates
Lipids
Proteins
Nucleic acids
#2

Which functional group is characteristic of alcohols?

Carbonyl
Amino
Hydroxyl
Ester
#3

Which of the following is a monosaccharide?

Sucrose
Glucose
Starch
Cellulose
#4

Which functional group is present in carboxylic acids?

Hydroxyl
Carbonyl
Amino
Carboxyl
#5

Which functional group is present in amines?

Carboxyl
Amino
Hydroxyl
Aldehyde
#6

Which biomolecule serves as a catalyst in biological reactions?

Proteins
Lipids
Carbohydrates
Enzymes
#7

Which biomolecule serves as a long-term energy storage in organisms?

Carbohydrates
Lipids
Proteins
Nucleic acids
#8

Which biomolecule is composed of amino acids linked by peptide bonds?

Carbohydrates
Lipids
Proteins
Nucleic acids
#9

Which biomolecule consists of long chains of nucleotides?

Proteins
Lipids
Carbohydrates
Nucleic acids
#10

Which functional group is characteristic of ketones?

Carboxyl
Amino
Keto
Hydroxyl
#11

Which functional group is characteristic of esters?

Carboxyl
Amino
Ester
Keto
#12

Which functional group is characteristic of aldehydes?

Carboxyl
Amino
Hydroxyl
Aldehyde
#13

Which functional group is characteristic of carboxylic acid derivatives such as esters and amides?

Hydroxyl
Carbonyl
Amino
Carboxyl
#14

Which functional group is present in aldehydes?

Carboxyl
Amino
Hydroxyl
Aldehyde

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