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