✅ A. Z- lines get closer
Option A: Z- lines get closer Option B: A band becomes short Option C: 1 band elongates Option D: There is no change in sarcomere Correct Answer : Z- lines get closer Read more
✅ C. Tropomyosin gets removed from the binding sites of actin filaments.
Option A: Binding sites of actin get attached to the myosin hea Option B: Troponin uncovers the actin binding sites. Option C: Tropomyosin gets removed from the binding sites of actin filaments. Option D: Ca2+ goes back inside sarcoplasmic reticulum. Correct Answer : Tropomyosin gets removed from the binding sites of actin filaments. Read more
✅ B. CaCO3
Option A: CaPO4 Option B: CaCO3 Option C: CaSO4 Option D: SiO2 Correct Answer : CaCO3 Read more
✅ B. Negative phototropism and positive geotropism
Option A: Positive phototropism and negative geotropism Option B: Negative phototropism and positive geotropism Option C: Negative tactic movement and positive tropic movement Option D: Positive geotropism of stem and roots Correct Answer : Negative phototropism and positive geotropism Read more
✅ C. Rickets.
Option A: Hypocalcaemia Tatanic spasms. Option B: Osteomalacis. Option C: Rickets. Option D: Tetany Correct Answer : Rickets. Read more
✅ A. Tracheids
Option A: Tracheids Option B: Sclereids Option C: Trachea Option D: Collenchyma cells Correct Answer : Tracheids Read more
✅ C. There is reduction of bone mass and change in chemical composition of the matrix
Option A: It results from estrogen deficiency. Option B: Bone eating process takes over bone formation process. Option C: There is reduction of bone mass and change in chemical composition of the matrix Option D: It is common in old age. Correct Answer : There is reduction of bone mass and change in chemical composition of the matrix Read more
✅ D. Both a and c
Option A: Cork cambium Option B: Pith. Option C: Vascular cambium. Option D: Both a and c Correct Answer : Both a and c Read more
✅ C. Due to good blood supply it results in quick healing.
Option A: They are more common than in adult ag Option B: Occur as a result of bone being thin and weak. Option C: Due to good blood supply it results in quick healing. Option D: It involves osteoblasts and osteocytes. Correct Answer : Due to good blood supply it results in quick healing. Read more
✅ A. Open reduction.
Option A: Open reduction. Option B: Closed Fixation. Option C: Open fixation. Option D: Immobilization Correct Answer : Open reduction. Read more