Q.1. Fill in the blanks
(i) The ______ system helps in reducing the number of microbes in body and thus controls the disease.
(ii) _______are the animals that can carry the pathogen from unhealthy person to a healthy person.
(iii) _______ is caused by bacteria Salmonella typhi.
(iv) Genetic disorders of deficiency of nutrient are the examples of factors that can cause ______ diseases.
(v) _______ disease is a long duration, slow developing, disabling disease.
Q.2. Which one of the following causes kala-azar?
Q.3. If you live in a overcrowded and poorly ventilated house, it is possible that you may suffer from which of the following diseases.
(c) Air borne diseases
Q.4. The chemical that kill or stop the growing of certain kinds of microbes are called-
Q.5. Which one of the following is not important for individual health?
(a) Living in clean space
(b) Good economic condition
(c) Social equality and harmony
(d) Living in a large and well-furnished house.
Q.6. Name the approaches generally adopted to treat infectious diseases.
Q.7. How are diseases diagnosed by physician?
Q.8. Which bacterium causes peptic ulcers? Who discovered the above pathogen?
Q.9. What is peptic ulcer?
Q.10. Define carriers. Give two examples.
Q.11. What are the different aspects of maintaining good health?
Q.12. What are the causes of diseases?
Q.13. What are the means of spread of diseases?
Q.14. What is inflammation? What are the changes occur during inflammation?
Q.15. What precautions can you take in your school to reduce the incidence of infectious diseases?
|1. What are the common causes of falling ill?|
|2. How does a weak immune system contribute to falling ill?|
|3. Can stress and mental health affect our chances of falling ill?|
|4. How can poor hygiene practices lead to falling ill?|
|5. What lifestyle choices can contribute to falling ill?|