Biology why do we fall ill part 1 (significance of health) cbse class 9 ix biology why do we fall ill part 1 (significance of health) cbse class 9 ix skip navigation sign in. Why do we fall ill class 9 biology , 14th chapter 1 health is a state of physical, mental and social well being the conditions necessary for good health are :i) good physical and social environment ii) good economic conditions iii) social equality and harmony. → all those activities which people do both individually and in groups for the development of their society, constitute the community health → personal and community health are supplementary to each other. Free pdf download of ncert solutions for class 9 science (biology) chapter 13 - why do we fall ill solved by expert teachers as per ncert (cbse) book guidelines all chapter 13 - why do we fall ill exercise questions with solutions to help you to revise complete syllabus and score more marks.
Chapter 13 why do we fall ill 1”health” is a state of being well enough to function well physically, mentally, and socially 2”disease” ( disturbed ease) means being uncomfortable.
Ncert solutions for class 9th: ch 13 why do we fall ill science in text questions page no: 178 1 state any two conditions essential for good health answer two conditions that are essential for good health are: → proper nutrition and a blanced diet → good social environment. Why do some children fall ill more often than others living in the same locality frequency of falling ill depends on the strength of the body’s immune system to fight common pathogens due to poor immune system, some children fall ill frequently. Biology notes for class 9 chapter 13 why do we fall ill 1”health” is a state of being well enough to function well physically, mentally, and socially 2”disease”( disturbed ease) means being uncomfortable one or more systems of the body will change, give rise to “symptoms” ( cough, loose motions, pus formation, headache, fever, breathlessness, vomiting, fits, unconsciousness, inflammation , swelling and general effects - a doctor look for the basis of symptoms.
Why do we fall ill : chapter notes notes for why do we fall ill chapter of class 9 science dronstudy provides free comprehensive chapterwise class 9 science notes with proper images & diagram. Mcq , class 9, biology, cbse- why do we fall ill 5 diarrhea, cholera, typhoid are the diseases that have one thing in common that is. Ans-antibiotics are effective in curing bacterial and fungal infections (egtuberculosis)but they are ineffective in viral diseases (eg-common cold )antibiotics affect on life process of bacteria and inhibit their growth on the other hand virus is just apiece of dna (rna ),not well defined life form viruses can reproduce inside host cells they do not use biochemical pathways as used by other microbes (bacteria ,fungi , parasites)that's why antibiotic are ineffective in viral infections.
Q15(ncert): in which of the following case do you think the long-term effects on your health are likely to be most unpleasant a if you get jaundice, b if you get lice, c if you get acne why answer: (a) jaundice is a chronic disease in which liver is affected jaundice has long-term effects on the body it will take a long time to recover.
Some questions have “” the star indicates that these questions are important for exam and are frequently asked health: according to who (world health organization) health means a state of physical, mental and social well-being how many times did you fall ill in the last one year what were the illnesses think of one change. All chapter 13 - why do we fall ill exercise questions with solutions to help you to revise complete syllabus and score more marks free pdf download of ncert solutions for class 9 science (biology) chapter 13 - why do we fall ill solved by expert teachers as per ncert (cbse) book guidelines.