Biology MCQS From Book ChaptersBy: Prof. Dr. Fazal Rehman | Last updated: May 14, 2025 12 Score: 0 Attempted: 0/12 Subscribe 1. : What is the healing time of a bone? (A) 8–12 months (B) 8–12 years (C) 8–12 weeks (D) 8–12 days 2. : When the group of ribosomes are attached to mRNA, it is called as? (A) Polysome (B) Polymer (C) Monomer (D) Polypeptide 3. : Which of the following is found in hydrostatic skeleton? (A) Soft-bodied invertebrates (B) Annelids (C) Cnidarians (D) All of these 4. : What are the autophagosomes? (A) Lysosomes which help in extracellular digestion (B) Those lysosomes which eat old and worn-out cellular organelles (C) Those lysosomes which eat parts of their own cells to generate energy (D) B and C 5. : Which of the following provides support to the animals? (A) Bones (B) Cartilage (C) Muscles (D) All of these 6. : Where is the first layer of cell wall formed? (A) Middle lamella (B) Primary wall (C) Secondary wall (D) C and A 7. : What is the diameter of skeletal muscles? (A) 1–10 μm (B) 10–50 μm (C) 10–100 μm (D) 20–200 μm 8. : How many triplets of microtubules compose centrioles? (A) 9 (B) 3 (C) 10 (D) 15 9. : What is the outermost layer of the epicuticle? (A) Hydrostatic skeleton (B) Hydrodynamic skeleton (C) Exoskeleton (D) Endoskeleton 10. : Where are ribosomes assembled? (A) DNA (B) RNA (C) Nucleus (D) Nucleolus 11. : What is the number of facial bones present in humans? (A) 14 (B) 10 (C) 16 (D) 20 12. : Which of the following molecules is present in chlorophyll (II)? (A) Anionic (B) Inorganic (C) Organic (D) Cationic Topic Covered: Biology MCQS From Book Chapters. Related Posts:Objectives of Biology From Book ChaptersIslamiat MCQs From Book ChaptersBio Multiple Choice Questions from book chaptersSoftware testing MCQ'S for book chaptersObjectives Of Islamiat From Book ChaptersObjectives of Accounting From book chapters