Human Biology -Previous year SSC Questions
Human Biology -Previous year SSC Questions 1. 1) The ph value of human blood is__? a) 7.40 b) 7.20 c) 0 d) 8.60 2. Which type of lens is used to correct myopia? a) Convex lens b) Concave lens c) Biconcave lens d) Biconvex lens 3. The longest … Read more