Cell Structure and Organelles MCQs Quiz 13 Posted on April 2, 2026April 2, 2026Author agropublishers 0 Cell Structure and Organelles MCQs Quiz 13 Cell Biology Multiple Choice Questions 1. Facultative heterochromatin can _______ Exist only in bacteria Never change Switch between active and inactive states Contain no DNA 2. Which cytoskeletal component is involved in autophagosome trafficking? Intermediate filaments DNA Actin only Microtubules 3. Chromoplasts are commonly found in _______ of plants Seeds Roots Fruits and flowers Leaves 4. Karyotype refers to _______ DNA sequence RNA content Protein structure Chromosome number and morphology 5. Acrocentric chromosomes are characterized by _______ Centromere in middle Very short p arm Equal arms Absence of centromere 6. The site of light reaction in chloroplast is _______ Inner membrane Thylakoid membrane Stroma Outer membrane 7. Protists are an incredibly diverse group, and their outer coverings (cell walls) are ____________ Always absent Composed of chitin Composed of cellulose Chemically Variable 8. Chloroplasts are mainly responsible for _______ Protein synthesis Photosynthesis Storage Respiration 9. Telomere dysfunction can lead to _________________ Reduced mutation rates Improved replication fidelity Chromosome end-to-end fusion and instability Enhanced transcription 10. During cell division (meiosis and mitosis) sister chromatids are joined at _______ Telomere Nucleus Endoplasmic Reticulum Centromere Loading … Question 1 of 10 Cell Structure and Organelles MCQs Quiz 13 Cell Biology Multiple Choice Questions