Important Bio MCQs

12 min
Score: 0
Attempted: 0/12

1. Digitigrade mammals try to walk on their:
(A) None of these
(B) Tips of toes
(C) Digits
(D) Soles

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) Fatty acids
(B) Nucleotides
(C) Amino acids
(D) Isoprenoid units

5. Every intervertebral disc is composed of:
(A) Nucleus pulposus
(B) Both B & C
(C) Annulus fibrosus
(D) Stomium globuses

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) 1–2 mm
(C) 3–7 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) Both A & B
(C) Cilia
(D) Setae

10. ________ plays a vital role in the movement of Euglena:
(A) Pseudopodium
(B) Flagellum
(C) Cilium
(D) Myonemes

11. What leads to a haptonastic movement?
(A) Light
(B) Pressure
(C) Water
(D) Contact

12. By means of ________ movement takes place in amoeba:
(A) Myonemes
(B) Flagellum
(C) Cilium
(D) Pseudopodium