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