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