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