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Q.52 The lymphoid stem cells in the bone marrow form (A). Natural killer cells (B). Platelets (C). B lymphocyte (D). Neutrophils 1. (A) and (D). 2. (A) and (C). 3. […]

Q.51 Calcitonin is produced by 1. Follicular cells of the thyroid gland 2. Parafollicular cells of the thyroid gland 3. Parathyroid gland 4. Follicular cells of the ovary Calcitonin is […]

Q.50 The propagation of action potential in myelinated nerve fiber is faster because of 1. Continuous conduction 2. Saltatory conduction 3. Spontaneous conduction 4. Intermittent conduction Myelinated nerve fibers propagate […]

Q.49 Match List I with List II List I List II Label Body part Label Bone involved A Shoulder I Tarsals B Thigh II Carpals C Wrist III Humerus D […]

Q.47 Yellow fever is caused due to the human-to-human transmission by- 1. Aedes aegypti 2. Culex 3. Dermacentor andersoni 4. Mycobacterium tuberculosis Yellow fever spreads human-to-human via Aedes aegypti mosquitoes, […]

Q.46 Arrange the steps involved in Gram-stain procedure- (A). Staining with Crystal Violet (B). Staining with Gram’s lodine (C). Decolorization (D). Staining with Safranine 1. (A), (B), (C), (D) 2. […]

Q.45 Antibody formed immediately after infection is- 1. IgM 2. IgG 3. IgD 4. IgE Title: First Antibody After Infection: IgM Primary Response Explained (MCQ Solved) The antibody formed immediately after […]

Q.44 Vaccine is not available for which disease- 1. Hepatitis B 2. Influenza 3. AIDS 4. Mumps No vaccine is available for AIDS (HIV), despite ongoing trials, while effective vaccines […]

Q.43 Match List I with List II List I List II A. D’Herelle and Twort I. Bacterial transformation B. Beadle and Tatum II. Penicillin C. Fleming III. One-gene-one-enzyme hypothesis D. […]