Cell Structure and Organelles MCQs Quiz 8 Posted on April 2, 2026April 5, 2026Author agropublishers 0 Cell Structure and Organelles MCQs Quiz 8 Cell Biology Multiple Choice Questions 1. Heterochromatin is characterized by _______ Dense chromatin packing RNA absence Loose chromatin structure Active chromatin transcription 2. Human chromosomes 13, 14, 15, 21, and 22 are _______ shaped Submetacentric Acrocentric Telocentric Metacentric 3. Gram-positive bacteria are characterized by __________ Thick peptidoglycan layer Absence of cell wall Outer membrane presence Thin peptidoglycan layer 4. The kinetochore forms at _______ Nucleus Centromere Chromatid Telomere 5. The Calvin cycle (light-independent reactions) occurs in the _____________ Stroma of chloroplasts Intermembrane space Inner mitochondrial membrane Thylakoid membranes 6. The glycocalyx primarily functions in __________ DNA replication Protein folding Cell adhesion and cell–cell recognition ATP synthesis 7. ________________ chromosome has a centromere slightly off-center Metacentric Submetacentric Acrocentric Telocentric 8. The shape of metacentric chromosomes during anaphase is typically _______ I-shaped L-shaped V-shaped J-shaped 9. Which of the following best describes telomere-associated proteins? They degrade DNA They synthesize ATP They form protective caps and regulate telomere stability They replicate RNA 10. The centromere is specialized region of chromosomes, during cell division it plays a key role in _______ DNA replication Chromosome segregation Protein synthesis RNA transcription Loading … Question 1 of 10 Cell Structure and Organelles MCQs Quiz 8 Cell Biology Multiple Choice Questions