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Class 9 Science Chapter 13 Why do we Fall Ill
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Class 9 Science Chapter 13 Why do we Fall Ill
1
Which one of the following is not a viral disease?
A
Dengue
B
AIDS
C
Typhoid
D
Influenza
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✅ Correct Answer: 3
2
Which one of the following is not a bacterial disease?
A
Cholera
B
Tuberculosis
C
Anthrax
D
Influenza
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✅ Correct Answer: 4
3
Which one of the following disease is not transmitted by mosquito?
A
Brain fever
B
Malaria
C
Typhoid
D
Dengue
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✅ Correct Answer: 3
4
Which one of the following disease is not caused by bacteria?
A
Typhoid
B
Anthrax
C
Tuberculosis
D
Malaria
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✅ Correct Answer: 4
5
Which one of the following diseases is caused by protozoans?
A
Malaria
B
Influenza
C
AIDS
D
Cholera
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✅ Correct Answer: 1
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
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✅ Correct Answer: 3
7
Why Do We Fall Ill MCQ Questions With Answers Question 7.
A
High blood pressure
B
Genetic abnormalities
C
Sneezing
D
Blood cancer
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✅ Correct Answer: 3
8
AIDS cannot be transmitted by
A
sexual contact
B
hugs
C
breast feeding
D
blood transfusion
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✅ Correct Answer: 2
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
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✅ Correct Answer: 3
10
Which one of the following causes kala-azar?
A
Ascaris
B
Trypanosoma
C
Leishmania
D
Bacteria
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✅ Correct Answer: 3
11
If you live in a overcrowded and poorly ventilated house, it is possible that you may suffer from which of the following diseases:
A
Cancer
B
AIDS
C
Air borne diseases
D
Cholera
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✅ Correct Answer: 3
12
Which disease is not transmitted by mosquitoes?
A
Dengue
B
Malaria
C
Brain fever or encephalitis
D
Pneumonia
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✅ Correct Answer: 4
13
Which one of the following is not important for individual health?
A
Living in clean space
B
Good economic condition
C
Social equality and harmony
D
Living in a large and well furnished house
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✅ Correct Answer: 4
14
Choose the wrong statement.
A
High blood pressure is caused by excessive weight and lack of exercise.
B
Cancers can be caused by genetic abnormalities.
C
Peptic ulcers are caused by eating acidic food.
D
Acne in not caused by staphylococci.
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✅ Correct Answer: 3
15
We should not allow mosquitoes to breed in our surroundings because they
A
multiply very fast and cause pollution
B
are vectors for many diseases
C
bite and cause skin diseases
D
are not important insects
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✅ Correct Answer: 2
16
You are aware of Polio Eradication Programme in your city. Children are vaccinated because
A
vaccination kills the polio causing microorganisms
B
prevents the entry of polio causing organism
C
it creates immunity in the body
D
all the above
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✅ Correct Answer: 3
17
Viruses, which cause hepatitis, are transmitted through
A
air
B
water
C
food
D
personal contact
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✅ Correct Answer: 2
18
Vectors can be defined as
A
animals carry the infecting agents from sick person to another healthy person
B
microorganisms which cause many diseases
C
infected person
D
diseased plants
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✅ Correct Answer: 1
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