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