Carbohydrates

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Q. What is the general formula for carbohydrates?
  • A. C_n(H2O)_n
  • B. C_nH_nO_n
  • C. C_nH_2nO_n
  • D. C_nH_2O_n
Q. What is the main function of carbohydrates in living organisms?
  • A. Genetic information
  • B. Energy storage
  • C. Catalysis
  • D. Structural support
Q. What is the main storage form of carbohydrates in animals?
  • A. Starch
  • B. Glycogen
  • C. Cellulose
  • D. Chitin
Q. What is the main structural component of plant cell walls?
  • A. Starch
  • B. Glycogen
  • C. Cellulose
  • D. Chitin
Q. What is the molecular formula of fructose?
  • A. C6H12O6
  • B. C5H10O5
  • C. C6H10O5
  • D. C5H12O6
Q. What is the primary function of carbohydrates in living organisms?
  • A. Energy storage
  • B. Genetic information
  • C. Catalysis
  • D. Structural support
Q. What is the primary storage form of carbohydrates in animals?
  • A. Starch
  • B. Glycogen
  • C. Cellulose
  • D. Chitin
Q. What is the primary structural component of plant cell walls?
  • A. Starch
  • B. Glycogen
  • C. Cellulose
  • D. Chitin
Q. What is the simplest form of carbohydrate?
  • A. Disaccharide
  • B. Monosaccharide
  • C. Polysaccharide
  • D. Oligosaccharide
Q. What type of bond links monosaccharides in a disaccharide?
  • A. Ionic bond
  • B. Covalent bond
  • C. Hydrogen bond
  • D. Van der Waals bond
Q. What type of bond links monosaccharides in polysaccharides?
  • A. Ionic bond
  • B. Covalent bond
  • C. Hydrogen bond
  • D. Van der Waals forces
Q. What type of carbohydrate is starch?
  • A. Monosaccharide
  • B. Disaccharide
  • C. Oligosaccharide
  • D. Polysaccharide
Q. What type of carbohydrate is sucrose?
  • A. Monosaccharide
  • B. Disaccharide
  • C. Oligosaccharide
  • D. Polysaccharide
Q. Which carbohydrate is a structural component of plant cell walls?
  • A. Starch
  • B. Glycogen
  • C. Cellulose
  • D. Fructose
Q. Which carbohydrate is commonly used as a sweetener?
  • A. Lactose
  • B. Maltose
  • C. Fructose
  • D. Cellulose
Q. Which carbohydrate is found in milk?
  • A. Lactose
  • B. Maltose
  • C. Glucose
  • D. Fructose
Q. Which carbohydrate is found in the structure of DNA?
  • A. Glucose
  • B. Ribose
  • C. Fructose
  • D. Mannose
Q. Which carbohydrate is known as blood sugar?
  • A. Galactose
  • B. Fructose
  • C. Glucose
  • D. Ribose
Q. Which carbohydrate is primarily stored in animal liver and muscle?
  • A. Cellulose
  • B. Starch
  • C. Glycogen
  • D. Fructose
Q. Which enzyme breaks down starch into glucose?
  • A. Amylase
  • B. Lactase
  • C. Sucrase
  • D. Cellulase
Q. Which enzyme is responsible for the hydrolysis of starch?
  • A. Amylase
  • B. Cellulase
  • C. Lactase
  • D. Maltase
Q. Which of the following carbohydrates is a disaccharide?
  • A. Maltose
  • B. Ribose
  • C. Cellulose
  • D. Glycogen
Q. Which of the following carbohydrates is a ketose?
  • A. Glucose
  • B. Fructose
  • C. Galactose
  • D. Mannose
Q. Which of the following carbohydrates is a reducing sugar?
  • A. Fructose
  • B. Sucrose
  • C. Maltose
  • D. Cellulose
Q. Which of the following carbohydrates is not digestible by humans?
  • A. Starch
  • B. Glycogen
  • C. Cellulose
  • D. Maltose
Q. Which of the following is a characteristic of carbohydrates?
  • A. High energy density
  • B. Soluble in organic solvents
  • C. Hydrophilic nature
  • D. Insoluble in water
Q. Which of the following is a characteristic of cellulose?
  • A. Soluble in water
  • B. Composed of glucose units
  • C. Used for energy storage
  • D. Contains α-1,4 glycosidic bonds
Q. Which of the following is a characteristic of starch?
  • A. Soluble in water
  • B. Linear structure
  • C. Branched structure
  • D. Sweet taste
Q. Which of the following is a polysaccharide?
  • A. Glucose
  • B. Fructose
  • C. Cellulose
  • D. Galactose
Q. Which of the following is a reducing sugar?
  • A. Fructose
  • B. Sucrose
  • C. Starch
  • D. Cellulose
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