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