MK-Vidyapeeth

  CHAPTER-8  COMMUNICABLE AND LIFE STYLE DISEASES TERMINAL EXERCISE  1. Differentiate between communicable and non-communicable or life style diseases?  Ans:  Difference between communicable and non-communicable diseases: Communicable diseases: The  communicable diseases  are the disease which passes from one individual to another individual. They are caused by  bacteria, viruses and another pathogen . This can be communicated by air, sharing clothes or even by sharing food.   Non-communicable diseases: There exist a  non-communicable disease  which cannot be transmitted via any medium into any other person. An example is an autoimmune disease like  arthritis, thyroid, myopia, beriberi, nyctalopia . This disease is caused by either a shook up or a decrease in nutrients. 2.Shazia went to a fair and had food that was exposed to flies and dust. The next day she had vomiting, diarrhoea and cramps in her legs. What do these symptoms...

 CHAPTER-7  HEALTH TERMINAL EXERCISE  1. What role does vaccination play in control of diseases? Explain. Ans:   Disease prevention is the key to public health. It is always better to prevent a disease than to treat it. Vaccines prevent disease in the people who receive them and protect those who come into contact with unvaccinated individuals. Vaccines help prevent infectious diseases and save lives.   2. Define “health” according to WHO. Ans:   According to World Health Organization (WHO), health is a “state of complete physical, mental and social well being and not merely the absence of disease.” It means proper functioning of both, the body and the mind. 3. How is natural immunity different from acquired immunity? Ans:   Natural immunity - It is present from the time of birth and provides a general protection against the entry of any foreign agents into our body. Acquired immunity- It develops during one’s life time and is there...

 CHAPTER-6  ENVIRONMENT TERMINAL EXERCISE  Q1. Define the terms pollution and pollutant.   Ans: The term ‘pollution’ is derived from the Latin word ‘Polluere’, which means ‘to contaminate any feature of the environment’.         Pollution is the addition of any substance to the environment in  excess            to what is normally present, thereby, making the environment impure.          The substances which cause pollution are known as pollutants.   Q2. What are the sources of air pollution?   Ans:   Q3. How can you control soil pollution?   Ans: The following measures should be taken to prevention of soil pollution- i. Use of pesticides should be minimized. ii. Use of fertilizers should be judicious. iii. Cropping techniques should be improved to prevent growth of weeds. iv. Special pits should be selected for dumping wastes. v. Controlled grazing and forest manageme...