MCQ Test on General knowledge 1. Old written material which cannot be read easily, be read by Deselect Answer Infrared rays Cosmic rays None of these Ultraviolet rays 2. What is the pH level of blood of a normal person ? Deselect Answer 4.0-4.5 7.35 - 7.45 8.25 - 8.35 6.45-65.5 3. The richest source of vitamin D is Deselect Answer Spinach Cheese Cod liver oil Milk 4. Which of the following is a skin disease ? Deselect Answer Anaemia Pellagra Rickets Osteomalacia 5. Oncagene is responsible for Deselect Answer Typhoid Cancer Malaria AIDS 6. Mother's milk lacks 1.Vitamin, 2.Proteins, 3.Sodium, 4.Iron Deselect Answer 1 and 3 1 and 4 2 and 3 2 and 4 7. Healing of wounds is fastened by vitamin Deselect Answer A C K E 8. Through which one among the following materials does sound travels slowest ? Deselect Answer Wood Water Glass Air 9. How do most insects respires? Deselect Answer Through skin By trachea system By lungs Through gills 10. Which acid is produced when milk gets sour? Deselect Answer Acetic Acid Tartaric Acid Butyric Acid Lactic Acid