AP EAMCET (EAPCET) Chemistry Multiple Choice Questions (MCQs)

AP EAMCET Chemistry - Multiple Choice Questions

Unit 21: Polymers

121. Which of the following is an example of addition polymerization?
     a) Nylon 6,6
     b) Teflon
     c) Bakelite
     d) Melamine
     Answer: b) Teflon
122. Which of the following polymers is prepared by condensation polymerization?
     a) Polyethylene
     b) Teflon
     c) Nylon 6,6
     d) Polystyrene
     Answer: c) Nylon 6,6
123. What is the monomer used to prepare Terylene?
     a) Styrene
     b) Ethylene glycol and terephthalic acid
     c) Butadiene
     d) Acrylonitrile
     Answer: b) Ethylene glycol and terephthalic acid
124. Which of the following is a synthetic rubber?
     a) Natural rubber
     b) Polyvinyl chloride
     c) Neoprene
     d) Polypropylene
     Answer: c) Neoprene
125. The process of vulcanization of rubber involves the addition of which element?
     a) Oxygen
     b) Nitrogen
     c) Sulfur
     d) Chlorine
     Answer: c) Sulfur
126. What does the Poly Dispersity Index (PDI) of a polymer indicate?
     a) The weight of the polymer
     b) The average size of the polymer molecules
     c) The ratio of weight average molecular mass to number average molecular mass
     d) The chemical reactivity of the polymer
     Answer: c) The ratio of weight average molecular mass to number average molecular mass
127. Which of the following is a biodegradable polymer?
     a) Nylon 6
     b) Polypropylene
     c) Poly-β-Hydroxy butyrate-Co-β-Hydroxy Velarate (PHBV)
     d) Teflon
     Answer: c) Poly-β-Hydroxy butyrate-Co-β-Hydroxy Velarate (PHBV)
128. Which polymer is commonly used to make pipes and containers?
     a) Polyethylene
     b) Polystyrene
     c) PVC
     d) Bakelite
     Answer: c) PVC
129. Which of the following is the monomer for the polymer polystyrene?
     a) Styrene
     b) Propene
     c) Vinyl chloride
     d) Methyl methacrylate
     Answer: a) Styrene
130. Which of the following polymers is used in the preparation of electrical insulators and handles of tools?
     a) Bakelite
     b) PVC
     c) Polypropylene
     d) Teflon
     Answer: a) Bakelite

Unit 22: Biomolecules

131. Which of the following is a monosaccharide?
     a) Sucrose
     b) Maltose
     c) Glucose
     d) Starch
     Answer: c) Glucose
132. The structure of which disaccharide is formed by the combination of glucose and fructose?
     a) Sucrose
     b) Lactose
     c) Maltose
     d) Cellulose
     Answer: a) Sucrose
133. Which polysaccharide is the primary structural component in plant cell walls?
     a) Glycogen
     b) Cellulose
     c) Starch
     d) Chitin
     Answer: b) Cellulose
134. What type of bond is present between the amino acids in proteins?
     a) Hydrogen bond
     b) Ionic bond
     c) Peptide bond
     d) Disulfide bond
     Answer: c) Peptide bond
135. Which of the following is a function of enzymes?
     a) To provide energy
     b) To speed up chemical reactions
     c) To store genetic information
     d) To carry oxygen
     Answer: b) To speed up chemical reactions
136. Which vitamin deficiency leads to scurvy?
     a) Vitamin A
     b) Vitamin C
     c) Vitamin D
     d) Vitamin B12
     Answer: b) Vitamin C
137. Which amino acid is the building block of proteins?
     a) Glucose
     b) Glycine
     c) Sucrose
     d) Fructose
     Answer: b) Glycine
138. Which of the following is a fibrous protein?
     a) Hemoglobin
     b) Collagen
     c) Enzyme
     d) Insulin
     Answer: b) Collagen
139. The double helix structure is characteristic of which biomolecule?
     a) Proteins
     b) Carbohydrates
     c) DNA
     d) RNA
     Answer: c) DNA
140. Which hormone is responsible for regulating blood sugar levels?
     a) Insulin
     b) Estrogen
     c) Testosterone
     d) Thyroxine
     Answer: a) Insulin

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