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