Class 4 Science Chapter 3 Test 3 Welcome to your Class 4 Science Chapter 3 Test 3 1. Calcium, iron, sodium, chlorine, fluorine and iodine etc. are called. Vitamins Carbohydrates Minerals None of these 2. What is cause of polio? Bacteria Virus House fly Mosquito 3. _______ percent of human body consists of water. 60 70 80 50 4. In which food most of the calcium is found? Meat Rice Milk Pulse 5. 6. Drinking polluted water may cause diseases like: Cholera Typhoid Hepatitis All of these 7. Different dust particles in air mix with rain water and make them _________ Clean Filter Distilled Polluted 8. If you have flu then what will do to save yourself and other? Will exercise Will sleep for more time Will sit in the sun Will wear mask 9. It is necessary for the prevention from contagious disease: wearing mask, washing hand, vaccination. Wearing mask, washing hand, sitting in the sun Washing hands, sitting in the sun, sleeping more Vaccination, washing hand, not sitting in the sun 10. The process by which the particles present in water are separated by a filter is called ______. Filtration Distillation Boiling None of these Time is Up! Time's up
