On the reader's request we are posting the Que-Ans of the chapter :Why do we fall ill? We will continue the chapter : Diversity in Living Organisms after these posts.
Que - Ans :
1. Define Health.
Ans. According to WHO (World Health Organisation) , It is the state of complete physical, mental and social well being.
2. What is Disease ?
Ans. Anything which interferes with the normal functioning of the body and impairs the health.
3. Differentiate Congenital Diseases from Acquired ones.
Ans. Congenital :
a. These occur since from birth.
b. inherited from the parents to the offspring.
Acquired :
a. It occurs during the lifetime of the person and not from the birth.
b. It does not get inherited.It occurs due to pathogens or due to deficiency of nutrients, hormonal imbalance or due to degeneration of the tissues.
4. What is Incubation Period?
Ans. It is the period between the infection and the appearance of the first symptom.
5. Name the diseases which are caused by :
a. Bacteria : TB, Typhoid, Anthrax and Tetanus
b. Viruses : Common Cold, AIDS, Dengue fever and Mumps.
c. Fungi : Ring worm, Skin infections and Athlete's foot
d. Protozoa : Malaria, Kala Azar, Sleeping Sickness and Amoebiais
6. Important points :
a. Malaria is spread by the mosquito Anopheles
b. Mosquito Culex spread Filaria.
c. AIDS is caused by the Retrovirus HIV.
d. A dengue is the Virul disease caused by a day time biting of the mosquito called Aedes
e. TB is caused by a bacterium Mycobacterium Tuberculosis.
f. Typhoid is caused by Salmonella Typhi.
g. Leishmania Donovani is the protozoan which causes Kala azar (black fever)
h. Helicobacter pylori is a small curved shaped bacteria which is responsible for the peptic ulcers.
7. Which was the first Anti biotic?
Ans. Penicillin which was invented by Alaxander Flamming in 1928.
8. Name the Organs which are targeted by specific diseases :
a. Hepatitis : Liver
b. Fungal Diseases : Skin
c. Pneumonia : Lungs
d. TB : lungs
e. Diarrhoea : Intestines.
9. Which is the most common type of Plague?
Ans. Bubonic Plague.
10. Who discovered Vaccine for the first time and which one?
Ans. Edward Jenner invented the vaccine for the first time and it was of smallpox.
Readers can ask Questions from the syllabus to clear their doubts regarding science exam.
SOURCE : NCERT SCIENCE AND DINESH BIOLOGY IX...
Que - Ans :
1. Define Health.
Ans. According to WHO (World Health Organisation) , It is the state of complete physical, mental and social well being.
2. What is Disease ?
Ans. Anything which interferes with the normal functioning of the body and impairs the health.
3. Differentiate Congenital Diseases from Acquired ones.
Ans. Congenital :
a. These occur since from birth.
b. inherited from the parents to the offspring.
Acquired :
a. It occurs during the lifetime of the person and not from the birth.
b. It does not get inherited.It occurs due to pathogens or due to deficiency of nutrients, hormonal imbalance or due to degeneration of the tissues.
4. What is Incubation Period?
Ans. It is the period between the infection and the appearance of the first symptom.
5. Name the diseases which are caused by :
a. Bacteria : TB, Typhoid, Anthrax and Tetanus
b. Viruses : Common Cold, AIDS, Dengue fever and Mumps.
c. Fungi : Ring worm, Skin infections and Athlete's foot
d. Protozoa : Malaria, Kala Azar, Sleeping Sickness and Amoebiais
6. Important points :
a. Malaria is spread by the mosquito Anopheles
b. Mosquito Culex spread Filaria.
c. AIDS is caused by the Retrovirus HIV.
d. A dengue is the Virul disease caused by a day time biting of the mosquito called Aedes
e. TB is caused by a bacterium Mycobacterium Tuberculosis.
f. Typhoid is caused by Salmonella Typhi.
g. Leishmania Donovani is the protozoan which causes Kala azar (black fever)
h. Helicobacter pylori is a small curved shaped bacteria which is responsible for the peptic ulcers.
7. Which was the first Anti biotic?
Ans. Penicillin which was invented by Alaxander Flamming in 1928.
8. Name the Organs which are targeted by specific diseases :
a. Hepatitis : Liver
b. Fungal Diseases : Skin
c. Pneumonia : Lungs
d. TB : lungs
e. Diarrhoea : Intestines.
9. Which is the most common type of Plague?
Ans. Bubonic Plague.
10. Who discovered Vaccine for the first time and which one?
Ans. Edward Jenner invented the vaccine for the first time and it was of smallpox.
Readers can ask Questions from the syllabus to clear their doubts regarding science exam.
SOURCE : NCERT SCIENCE AND DINESH BIOLOGY IX...
helped me a lot in gaining more knowledge
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