Title Class 09 Science Chapter 13 Why Do We Fall Ill.pdf ✅

Why Do We Fall Ill? DPP-01 [Topic: Health and Its Failure] Very Short Answer Type Questions 1. If there is a snowfall on hill stations nearby, what will be the effect in Delhi? 2. What are our cells made up of? 3. What is meant by balanced diet? 4. Why does pollution affect the health of people? 5. Why is exercise essential for good health? Short Answer Type Questions-1 6. State any two conditions essential for good health. 7. State any two conditions essential for disease free. 8. Are the answers to the above questions necessarily the same or different? Why? 9. Name some important conditions to maintain individual health. Short Answer Type Questions-II 10. Why is public place cleaning essential for good health? 11. How does smoking, drinking alcohol, wrong sexual habits make us unhealthy? 12. Sonu, a nine-year-old boy, lives in a single room house along with his parents, grandparents and three siblings. They share toilet with 15 more families living in the same building which stands in the shadow of a very tall brick kiln. He works the whole day in a tea stall nearby. How does all this affect his health? 13. What do you mean by disease symptoms? Explain giving two examples? How are they different from signs? Long Answer Type Questions 14. Which of the following conditions indicate 'bad health"? Justify the answer giving reasons. (a) A cricketer has put on weight and is losing too many catches in the field. (b) A student is depressed over the low grades obtained in Mathematics, therefore he has stopped studying rest of the subjects. (c) A woman after attaining menopause has started taking part in religious activities, yoga and social work. (d) A man after losing his money in gambling has started stealing money from wallets of family members. (e) The mid day meal provided to the children in a school where most of the students attending come from nearby slum colony. 15. Give at least five examples from real life where community health is being risked even if individual health may be taken care of.
16. 'Health' is a state of being well enough to function well physically, mentally and socially. Keeping in mind this statement, imagine yourself as Pradhan of a village, list some ways that you will follow to ensure good health of the villagers.
Why Do We Fall Ill? DPP-02 [Topic: Disease and Its Causes] Very Short Answer Type Questions 1. What is an antibiotic? Give its one example. 2. Why are overcrowded and poorly ventilated areas are a major factor in spread of air borne diseases? 3. What is meant by acute disease? 4. Name the protozoan that causes (a) Sleeping sickness, (bb) Kala-azar 5. Write the full form of WHO? 6. Why is food necessary for us? 7. Name two non-infectious diseases. 8. Write two water borne diseases. 9. Name the disease transmitted by animal bites. 10. Which one of the following is not a viral disease? (a) Dengue (b) AIDS (c) Typhoid (d) Influenza 11. Write the expanded form of AIDS. 12. What is the full form of HIV? 13. Name two STD (Sexually transmitted diseases) diseases. 14. What is the cause of malaria? 15. What is the cause of bubonic plague? 16. Name any two groups of micro-organisms from which antibiotics could be extracted. 17. Name any two diseases transmitted through vectors. 18. Which organ is affected when a person is suffering from jaundice? 19. Why is antibiotic not effective in common cold? 20. Hepatitis B and AIDS cannot be transmitted by certain ways. Choose them out of the following: Common tattoo needles, sexual contact, hugs, hand-shake, sharing syringes, breast feeding, blood transfusion