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