Cell Structure and Organelles MCQs Quiz 12 Posted on April 2, 2026April 2, 2026Author agropublishers 0 Cell Structure and Organelles MCQs Quiz 12 Cell Biology Multiple Choice Questions Table of Contents Toggle 1. In chloroplasts, grana are composed of stacked _______ Ribosomes Thylakoids Cristae Vesicles 2. Chromosome puffs, found in polytene chromosomes, indicate _______ Protein folding Inactive regions Active transcription DNA damage 3. Elaioplasts are specialized for storage of _______ Proteins DNA Starch Lipids 4. The green color of chloroplast is due to _______ Chlorophyll Anthocyanin Carotenoids Xanthophylls 5. Which enzyme counteracts telomere shortening? Helicase Telomerase DNA telomer ligase RNA polymerase 6. ___________________ is unique to bacterial cell walls and targeted by antibiotics like penicillin Chitin Cellulose Silica Peptidoglycan synthesis 7. _______________ is the outermost layer of the plant cell wall, acting as an interface between adjacent cells Primary wall Secondary wall Plasma membrane Middle lamella 8. Telomerase primarily functions to maintain _____________ Centromere structure DNA replication fidelity Protein folding Telomere length 9. Chromosomes are composed primarily of _______ RNA and Amino Acids DNA and RNA DNA and Proteins Proteins and RNA 10. Acrocentric chromosomes have _______ Central centromere Equal arms No centromere Near-terminal centromere Loading … Question 1 of 10Cell Structure and Organelles MCQs Quiz 12Cell Biology Multiple Choice Questions 1. In chloroplasts, grana are composed of stacked _______ Ribosomes Thylakoids Cristae Vesicles 2. Chromosome puffs, found in polytene chromosomes, indicate _______ Protein folding Inactive regions Active transcription DNA damage 3. Elaioplasts are specialized for storage of _______ Proteins DNA Starch Lipids 4. The green color of chloroplast is due to _______ Chlorophyll Anthocyanin Carotenoids Xanthophylls 5. Which enzyme counteracts telomere shortening? Helicase Telomerase DNA telomer ligase RNA polymerase 6. ___________________ is unique to bacterial cell walls and targeted by antibiotics like penicillin Chitin Cellulose Silica Peptidoglycan synthesis 7. _______________ is the outermost layer of the plant cell wall, acting as an interface between adjacent cells Primary wall Secondary wall Plasma membrane Middle lamella 8. Telomerase primarily functions to maintain _____________ Centromere structure DNA replication fidelity Protein folding Telomere length 9. Chromosomes are composed primarily of _______ RNA and Amino Acids DNA and RNA DNA and Proteins Proteins and RNA 10. Acrocentric chromosomes have _______ Central centromere Equal arms No centromere Near-terminal centromere Loading … Question 1 of 10 Cell Structure and Organelles MCQs Quiz 12 Cell Biology Multiple Choice Questions
