why do we fall ill question and answers

NCERT Exemplar Class 9 Science is very important resource for students preparing for IX Board Examination. Here we have provided
NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 9. Question from very important topics are covered by NCERT Exemplar Class 9. You also get idea about the type of questions and method to answer in your Class 9th examination. Here you can get Class 9 Important Questions Science based on NCERT Text book for Class IX. Science Class 9 Important Questions are very helpful to score high marks in board exams. Here we have covered Important Questions on Why Do We Fall Ill for Class 9 Science subject. Science Important Questions Class 9 are given below. Which one of the following is not a viral disease? Which one of the following is not a bacterial disease? Which one of the following disease is not transmitted by mosquito? Which one of the following disease is caused by bacteria? Which one of the following diseases is caused by protozoans? Which one of the following has a long term effect on the health of an individual? Which of the following can make you ill if you come in contact with anб infected person? Which one of the following causes kala-azar? If you live in a overcrowded and poorly ventilated house, it is possible thatб you may suffer from which of the following diseases Which disease is not transmitted by mosquitoes? Which one of the following is not important for individual health? (a) High blood pressure is caused by excessive weight and lack of exercise. You are aware of Polio Eradication Programme in your city.


Children areб vaccinated because Viruses, which cause hepatitis, are transmitted through What are their causal organisms? Which bacterium causes peptic ulcers? Who discovered the above pathogen for the first time? What is an antibiotic? Give two examples (a) Pneumonia is an example of _____ disease. (b) Many skin diseases are caused by _____. (c) Antibiotics commonly block biochemical pathways important for the growth of _____. (d) Living organisms carrying the infecting agents from one person to another are called _____. (a) Hepatitis targets _____. (b) Fits or unconsciousness targets _____. (c) Pneumonia targets _____. (d) Fungal disease targets _____. Who discovered БvaccineБ for the first time? Name two diseases which can be prevented by using vaccines. (a) _____ disease continues for many days and causes _____ on body. (b) _____ disease continues for a few days and causes no longer term effect on body. (c) _____ is defined as physical, mental and social well-being and comfort. (d) Common cold is _____ disease. (e) Many skin diseases are caused by _____. Classify the following diseases as infectious or non-infectious. Name any two groups of micro-organisms from which antibiotics could be extracted. Name any three diseases transmitted through vectors. (a) Balanced diet is necessary for maintaining healthy body. (b) Health of an organism depends upon the surrounding environmental conditions. (c) Our surrounding area should be free of stagnant water. (d) Social harmony and good economic conditions are necessary for good health. What is a disease? How many types of diseases have you studied?


Give examples. What do you mean by disease symptoms? Explain giving two examples? Why is immune system essential for our health? What precautions will you take to justify Бprevention is better than cureБ. Why do some children fall ill more frequently than others living in the same locality? Why are antibiotics not effective for viral disease? Becoming exposed to or infected with an infectious microbe does not necessarily mean developing noticeable disease. Explain. Give any four factors necessary for a healthy person. Why is AIDS considered to be a БSyndromeБ and not a disease? P P P Fill in the Blanks An individual free of disease is known as ______. Conditions where you feel uncomfortable or uneasiness is known as _____. The health of an individual is dependent on his/her ________ and his/her ______. If garbage is not collected, _____ might breed in the area resulting in the spread of disease, like malaria. Health cannot be achieved by _______ alone. Answers: Fill in the Blanks Social environment, Economic status Short Answer Type Questions State three importance of good health. State three points of difference between health and disease free individual. Being disease free is same as being healthy. Do you agree? If not, explain, giving example. Answer: Short Answer Type Questions Three importance of good health are: It increases our efficiency for doing work. This increases productivity and brings economic prosperity. It makes the man happy and cheerful. A healthy person can give proper attention to others in the family.


Difference between a healthy state and disease free state: Being free from disease does not guarantee to good health. If a person is suffering from the mental tension, he cannot be said fallen ill. Still, he is unhealthy. Long Answer Type Question Explain any four factors that affect the human health. Explain how individual health depends on social and mental well-being. Answers Long Answer Type Questions Factors that affect human health are: 1. a. Public health services: Public health services ensure clean environment around our surroundings and protect public from the outbreak of diseases. It ensures removal of garbage, drainage and sewage services, proper drinking water, pest control, vaccination and other health care services. b. Economic status of an individual: Good economic condition and job are essential for maintaining good health of an individual. This enables an individual to consume wholesome balanced diet, which is very much required for keeping everyone in the family healthy. c. Social equality and H armony: Good health is required for participating in one anothers joys and sorrows, helping the others and receiving help at the time of need. This would make everyone in the community happy and healthy. d. Personal It includes personal cleanliness such as cleaning of teeth, taking bath regularly, taking care of eyes, breathing through nose, wearing cleaned clothes, etc. Cleanliness around the place where we live. No garbage, no open drain. Mental well-being: For good health, we have to be happy, social equality and harmony are essential. P P P

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