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