Biology Quiz: اول جزئية شابتر ٥

Which of the following is NOT a class of large biological molecules?

• Lipids

• Nucleotides

• Proteins

• Carbohydrates

What is a polymer?

• A monomer consisting of many similar building blocks

• The disassembly of polymers into monomers

• A single sugar molecule

• A large molecule composed of thousands of covalently connected atoms

Which reaction joins two monomers to form a polymer by removing a water molecule?

• Condensation

• Synthesis

• Dehydration

• Hydrolysis

What is the primary function of monosaccharides?

• Energy storage

• Catalyzing chemical reactions

• Structural support

• Information storage

Which carbohydrate serves as a major fuel for cellular work?

• Starch

• Cellulose

• Glucose

• Glycogen

What type of bond joins two monosaccharides to form a disaccharide?

• Peptide bond

• Ionic bond

• Glycosidic linkage

• Hydrogen bond

Which storage polysaccharide is found in animals and gets depleted within about a day without replenishment?

• Chitin

• Starch

• Glycogen

• Cellulose

Which structural polysaccharide is a major component of the tough wall of plant cells?

• Glycogen

• Starch

• Chitin

• Cellulose

How do parallel cellulose molecules form strong building materials for plants?

• By forming helical structures

• By being held together in microfibrils

• By undergoing hydrolysis easily

• By being soluble in water

Which structural polysaccharide is found in the exoskeleton of arthropods?

• Chitin

• Cellulose

• Glycogen

• Starch