HOTS Questions for Class 9 Science Chapter 13 Why Do we Fall Ill
These Solutions are part of HOTS Questions for Class 9 Science. Here we have given HOTS Questions for Class 9 Science Chapter 13 Why Do we Fall Ill
Question 1.
(a) Identify the figure.
(b) What do A and B depict.
Answer:
(a) Viral particles (as of SARS) coming out of host cells.
(b) A — host cell.
B — Virus.
More Resources
- HOTS Questions for Class 9 Science
- NCERT Solutions for Class 9 Science
- Value Based Questions in Science for Class 9
- NCERT Exemplar Solutions for Class 9 Science
- Previous Year Question Papers for CBSE Class 9 Science
Question 2.
Name a disease in which
(a) Antiboitic has no role.
(b) Kissing does not spread the disease while sexual contact transfers the same.
(c) Mass scale immunisation is going on.
(d) Virus, bacterium and protozoan can be causal agent.
Answer:
(a) Malaria
(b) AIDS
(c) Polio
(d) Diarrhoea.
Question 3.
What is correct ? Give reason.
(a) A person strolling in the lawn of his house is relaxing or doing exercise.
(b) Wearing socks and full sleeves at night will prevent the attack from dengue.
(c) Regular use of ORS cures diarrhoea.
Answer:
(a) Strolling is no exercise as a person moves slowly. It is a way of relaxation where stress and strain can be relieved.
(b) No. Dengue is caused by bite of Aedes mosquito which is active during day time only.
(c) Yes, ORS prevents dehydration. Diarrhoea is generally cured automatically after 1-2 days because it is mostly viral infection.
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