- Which of the following is a monosaccharide?
a) Sucrose
b) Glucose
c) Lactose
d) Starch
Answer: b) Glucose
- What is the primary function of carbohydrates in living organisms?
a) Store genetic information
b) Provide energy
c) Serve as structural components
d) Synthesize proteins
Answer: b) Provide energy
- Which of the following is a disaccharide?
a) Glucose
b) Fructose
c) Maltose
d) Galactose
Answer: c) Maltose
- What type of bond links monosaccharides in a disaccharide?
a) Ionic bond
b) Hydrogen bond
c) Glycosidic bond
d) Peptide bond
Answer: c) Glycosidic bond
- Which of the following carbohydrates is the main energy source for the brain?
a) Glycogen
b) Fructose
c) Glucose
d) Sucrose
Answer: c) Glucose
- Which of these is a polysaccharide found in plants?
a) Lactose
b) Starch
c) Fructose
d) Sucrose
Answer: b) Starch
- Which polysaccharide is primarily used by animals for energy storage?
a) Cellulose
b) Starch
c) Glycogen
d) Chitin
Answer: c) Glycogen
- What is the basic building block of carbohydrates?
a) Amino acids
b) Nucleotides
c) Monosaccharides
d) Fatty acids
Answer: c) Monosaccharides
- Which of the following is an example of a complex carbohydrate?
a) Fructose
b) Glucose
c) Sucrose
d) Starch
Answer: d) Starch
- What is the chemical formula for glucose?
a) C6H12O6
b) C6H10O5
c) C5H10O5
d) C12H22O11
Answer: a) C6H12O6
- Which of the following polysaccharides is found in the cell walls of plants?
a) Glycogen
b) Chitin
c) Starch
d) Cellulose
Answer: d) Cellulose
- Which of the following carbohydrates is used in the exoskeletons of arthropods?
a) Chitin
b) Cellulose
c) Starch
d) Glycogen
Answer: a) Chitin
- Which is the most abundant carbohydrate in nature?
a) Glucose
b) Cellulose
c) Starch
d) Sucrose
Answer: b) Cellulose
- Which of the following carbohydrates is commonly known as table sugar?
a) Glucose
b) Sucrose
c) Fructose
d) Lactose
Answer: b) Sucrose
- Which enzyme breaks down lactose in the human body?
a) Amylase
b) Lactase
c) Sucrase
d) Maltase
Answer: b) Lactase
- What type of carbohydrate is glycogen?
a) Monosaccharide
b) Disaccharide
c) Polysaccharide
d) Oligosaccharide
Answer: c) Polysaccharide
- What is the primary storage form of carbohydrates in plants?
a) Glycogen
b) Cellulose
c) Starch
d) Chitin
Answer: c) Starch
- Which of the following is a reducing sugar?
a) Sucrose
b) Glucose
c) Maltose
d) Both b and c
Answer: d) Both b and c
- What is the main difference between starch and cellulose?
a) Starch is a polysaccharide, while cellulose is a disaccharide.
b) Starch is used for energy storage in animals, while cellulose is used in plants.
c) Starch is made of glucose units, while cellulose is made of fructose units.
d) Starch is a straight-chain polysaccharide, while cellulose is branched.
Answer: b) Starch is used for energy storage in animals, while cellulose is used in plants.
- Which carbohydrate is primarily used by plants for energy storage?
a) Fructose
b) Starch
c) Glycogen
d) Sucrose
Answer: b) Starch
- Which type of carbohydrate provides structural support in plants?
a) Glycogen
b) Cellulose
c) Sucrose
d) Starch
Answer: b) Cellulose
- Which of the following is not a carbohydrate?
a) Glucose
b) Fructose
c) Fatty acid
d) Lactose
Answer: c) Fatty acid
- What is the simplest form of carbohydrate?
a) Polysaccharide
b) Disaccharide
c) Monosaccharide
d) Oligosaccharide
Answer: c) Monosaccharide
- Which of the following carbohydrates is the main sugar found in milk?
a) Glucose
b) Sucrose
c) Maltose
d) Lactose
Answer: d) Lactose
- Which of the following carbohydrates is a major source of energy for humans?
a) Glycogen
b) Glucose
c) Sucrose
d) Cellulose
Answer: b) Glucose
- What is the structural formula of fructose?
a) C6H12O6
b) C6H10O5
c) C5H10O5
d) C12H22O11
Answer: a) C6H12O6
- Which of the following is a function of carbohydrates in the body?
a) Form the structure of cell membranes
b) Provide long-term energy storage
c) Act as enzymes for metabolic reactions
d) Provide immediate energy
Answer: d) Provide immediate energy
- Which of these carbohydrates is an energy storage polysaccharide in animals?
a) Starch
b) Glycogen
c) Cellulose
d) Chitin
Answer: b) Glycogen
- Which carbohydrate is the building block for cellulose?
a) Galactose
b) Glucose
c) Fructose
d) Sucrose
Answer: b) Glucose
- Which carbohydrate is found in the cell walls of fungi?
a) Cellulose
b) Chitin
c) Glycogen
d) Starch
Answer: b) Chitin
These MCQs cover various aspects of carbohydrates, including their structure, function, types, and biological importance, making them ideal for study or testing knowledge on the topic.
Understanding Carbohydrates: Structure and Biological Roles
