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MCQ Questions for Class 9 Science Chapter 13 Why do we Fall Ill with Answers
MCQ Questions for Class 9 Science Chapter 13 Why do we Fall Ill with Answers
Question 1.
Which one of the following is not a viral disease?
(a) Dengue
(b) AIDS
(c) Typhoid
(d) Influenza
Answer: (c) Typhoid
Question 2.
Which one of the following is not a bacterial disease?
(a) Cholera
(b) Tuberculosis
(c) Anthrax
(d) Influenza
Answer: (d) Influenza
Question 3.
Which one of the following disease is not transmitted by mosquito?
(a) Brain fever
(b) Malaria
(c) Typhoid
(d) Dengue
Answer: (c) Typhoid
Question 4.
Which one of the following disease is not caused by bacteria?
(a) Typhoid
(b) Anthrax
(c) Tuberculosis
(d) Malaria
Answer: (d) Malaria
Question 5.
Which one of the following diseases is caused by protozoans?
(a) Malaria
(b) Influenza
(c) AIDS
(d) Cholera
Answer: (a) Malaria
Question 6.
Which one of the following has a long term effect on the health of an individual?
(a) Common cold
(b) Chicken pox
(c) Chewing tobacco
(d) Stress
Answer: (c) Chewing tobacco
Question 7.
Which of the following can make you ill if you come in contact with an infected person?
(a) High blood pressure
(b) Genetic abnormalities
(c) Sneezing
(d) Blood cancer
Answer: (c) Sneezing
Question 8.
AIDS cannot be transmitted by
(a) sexual contact
(b) hugs
(c) breast feeding
(d) blood transfusion
Answer: (b) hugs
Question 9.
Making anti-viral drugs is more difficult than making anti-bacterial medicines because
(a) viruses make use of host machinery
(b) viruses are on the border line of living and non-living
(c) viruses have very few biochemical mechanisms of their own
(d) viruses have a protein coat
Answer: (c) viruses have very few biochemical mechanisms of their own
Question 10.
Which one of the following causes kala-azar?
(a) Ascaris
(b) Trypanosoma
(c) Leishmania
(d) Bacteria
Answer: (c) Leishmania
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