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