Cell Structure and Organelles MCQs Quiz 6 Posted on April 2, 2026April 5, 2026Author agropublishers 0 Cell Structure and Organelles MCQs Quiz 6 Cell Biology Multiple Choice Questions 1. Telomeres differ from coding DNA because they ______________ Encode proteins Are present only in prokaryotes Are transcribed into mRNA Do not code for proteins, but serve structural roles 2. The fungal cell wall provides significant mechanical strength, tensile strength, and rigidity, mainly through ____________ Chitin microfibrils Cellulose Peptidoglycan Silica 3. Centromere is the site of _______ DNA replication ATP synthesis Spindle attachment Protein synthesis 4. Fungal cell walls are mainly composed of ____________ Peptidoglycan Cellulose Lignin Chitin and glucans 5. The primary function of telomeres is to __________ Protect chromosome ends Increase mutation rate Enhance transcription Store genetic information 6. Which function is common to all cell walls in different living organisms? DNA replication Protein synthesis ATP generation Mechanical support and protection 7. Vacuoles in plant cells mainly maintain ______________ DNA replication Protein folding ATP synthesis Turgor pressure and cellular homeostasis 8. The photosynthetic pigment chlorophyll is primarily located in ______________ Mitochondria Stroma Nucleus Thylakoid membranes 9. The middle lamella in plant cells is rich in _______________ Lignin Pectins Cellulose Chitin 10. Autophagy is a cellular process that involves ___________ ATP synthesis throughout cell Protein synthesis at different levels DNA replication in the nucleus Degradation and recycling of cellular components Loading … Question 1 of 10 Cell Structure and Organelles MCQs Quiz 6 Cell Biology Multiple Choice Questions