Posts

EVS Rachana Sagar standard 5 lesson 9. Germs and diseases

Environment science Rachana Sagar standard 5 lesson 9 Germs and diseases Answers A. Tick the correct answers. 1. The antibiotic penicillin was developed from a.protozoa. b. virus. C.bacteria. d.fungus. Answer:fungus 2. Diseases caused by germs that spread from one sick person to another are called a.non-communicable diseases b. communicable diseases. c.bad diseases. d.good diseases. Ans.communicable diseases. 3. Malaria and dengue are spread by a. flies. b. dogs. c.mice d. mosquitoes Ans.mosquitoes B. Fill in the blanks 1. Antibiotics are medicines that destroy disease-causing bacteria. 2. We should avoid using the handkerchief and towel  of a sick person. 3. Tetanus is a disease caused by bacteria . 4. Sunlight is a natural disinfectant. C. Complete the following table NAME OF THE DISEASE - CAUSED BY - HOW GERMS SPREAD - SYMPTOMS 1.Dengue Virus Through mosquito bite High fever, severe muscle and joint pain, headache, tiredness 2.Tuberculosis Bacteria Through air C...
Post a Comment
Read more

EVS - 9.FOOD AND HEALTH for Class V – ANSWERS

 ENVIRONMENTAL SCIENCE WORKSHEET  - FOOD AND HEALTH for Class V –  1. Fill in ENVIRONMENTAL SCIENCE WORKSHEET - FOOD AND HEALTH for Class V –  the blanks. a. Food that may be enjoyable to eat but bad for our health is called - junk food b. The condition of being overweight due to extra fat in the body is called obesity. c. Exercise improves our overall health. d. Correct posture decreases strain on the backbone. e. Protein helps in the growth and maintenance of the body. 2. Complete it. 1. Iodine - Deficiency: Goitre   - Symptoms: Swelling of the gland in the neck   2. Iron - Deficiency: Anaemia   - Symptoms: Tiredness, pale face   3. Vitamin A - Deficiency: Night blindness   - Symptoms: Poor vision, blindness in dim light   4. Vitamin B  - Deficiency: Beriberi   - Symptoms: Tiredness, loss of muscle function, speech problems   5. Proteins + Carbohydrates  - Deficiency: Mara...
Post a Comment
Read more