Important Bio MCQsBy: Prof. Dr. Fazal Rehman | Last updated: May 14, 2025 12 Score: 0 Attempted: 0/12 Subscribe 1. : Digitigrade mammals try to walk on their: (A) Tips of toes (B) Soles (C) Digits (D) None of these 2. : ________ comprise of 50% of the total dry weight of a cell: (A) Sucrose (B) Starch (C) Glycogen (D) Proteins 3. : What is an A band called while having a lighter stripe in its midsection? (A) H-zone (B) Z-line (C) A-zone (D) M-line 4. : Proteins are polymers of ________: (A) Amino acids (B) Nucleotides (C) Fatty acids (D) Isoprenoid units 5. : Every intervertebral disc is composed of: (A) Stomium globuses (B) Nucleus pulposus (C) Annulus fibrosus (D) Both B & C 6. : The element that differentiates proteins from carbohydrates is: (A) H (B) N (C) C (D) S 7. : Myofibrils of muscle fibre have a diameter of: (A) 2–4 mm (B) 3–7 mm (C) 1–2 mm (D) 1–5 mm 8. : Amino acids discovered in tissues & cells so far are: (A) 120 (B) 170 (C) 210 (D) 185 9. : _________ are involved in earthworm’s accordion-like movement: (A) Muscles (B) Setae (C) Cilia (D) Both A & B 10. : ________ plays a vital role in the movement of Euglena: (A) Pseudopodium (B) Myonemes (C) Cilium (D) Flagellum 11. : What leads to a haptonastic movement? (A) Pressure (B) Contact (C) Water (D) Light 12. : By means of ________ movement takes place in amoeba: (A) Pseudopodium (B) Myonemes (C) Cilium (D) Flagellum Related Posts:Bio Safety and Risk Management Important Questions – Past PapersBio Chemical Engineering Important Questions – Past PapersBio MCQs from books chaptersBio MCQs from Past papersBio-Informatic MCQSBio chemical Engineering MCQs