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