Free Printable Why do we fall ill ?

1.

Which of the following diseases is caused by a protozoan?

a)

(a) Typhoid

b)

(b) Common Cold

c)

(c) AIDS

d)

(d) Malaria

2.

Headache is an example of ______disease.

a)

(a) air-borne

b)

(b) acute

c)

(c) infectious

d)

(d) chronic

3.

Antibiotics work against ______.

a)

(a) elephantiasis

b)

(b) virus

c)

(c) bacteria

d)

d) parasites

4.

The method of immunisation was first tried by ________.

a)

(a) Edward Jenner

b)

(b) Robert Hooke

c)

(c) Louis Hook

d)

(d) Louis Pasteur

5.

The protozoa that causes kala-azar is _________.

a)

(a) Leishmania

b)

(b) Ascaris

c)

(c) Trypanosoma

d)

(d) Plasmodium

6.

Identify the odd one from the following.

a)

(a) Diphtheria

b)

(b) Cancer

c)

(c) Tetanus

d)

(d) Whooping cough

7.

Listed below are a few diseases.

(i) Tuberculosis

(ii) Cancer

(iii) Common cold

(iv) Viral fever

From the above-mentioned diseases, which are classified as acute diseases?

a)

(a) (i) and (ii)

b)

(b) (ii) and (iii)

c)

(c) (iii) and (iv)

d)

(d) (i) and (iv)

8.

The AIDS virus cannot be transmitted by

a)

(a) sexual contact

b)

(b) blood transfusion

c)

(c) breast feeding

d)

(d) hugs and hand shake

9.

The disease that affects the human brain is

a)

(a) Malaria

b)

(b) Dengue fever

c)

(c) Jaundice

d)

(d) Japanese encephalitis

10.

Assertion : Infectious diseases can be

prevented by public health hygiene measures.

Reason : Public health measures reduces

exposure to infectious agents.

a)

(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.

b)

(b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

c)

(c) If Assertion is true but Reason is false.

d)

(d) If both Assertion and Reason are false.

11.

Assertion : Chances of spreading cholera are higher in a village.

Reason : Community health is essential for

good individual health.

a)

(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.

b)

(b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

c)

(c) If Assertion is true but Reason is false.

d)

(d) If both Assertion and Reason are false.

12.

Assertion : Antibiotic is given to treat or

prevent the bacterial infection.

Reason : Antibiotic stops the growth of

bacteria.

a)

(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.

b)

(b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

c)

(c) If Assertion is true but Reason is false.

d)

(d) If both Assertion and Reason are false

13.

Assertion : Diseases that last for only

short period of time are called acute diseases.

Reason : Typhoid is an acute disease.

a)

(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.

b)

(b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

c)

(c) If Assertion is true but Reason is false.

d)

(d) If both Assertion and Reason are false.

14.

Assertion : A person suffering from AIDS

cannot fight even very minor infections.

Reason : Casual organism of AIDS is HIV.

a)

(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.

b)

(b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

c)

(c) If Assertion is true but Reason is false.

d)

(d) If both Assertion and Reason are false.

15.

Assertion : If the kidneys are not filtering urine,

poisonous substances will accumulate.

Reason : Under such conditions, the brain will

not be able to think properly. As these

activities are interconnected.

a)

(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.

b)

(b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

c)

(c) If Assertion is true but Reason is false.

d)

(d) If both Assertion and Reason are false.

16.

Assertion : Dengue can be treated by taking

antibiotics.

Reason : Antibiotics block the biochemical life

processes of viruses.

a)

(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.

b)

(b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

c)

(c) If Assertion is true but Reason is false.

d)

(d) If both Assertion and Reason are false.

17.

Assertion : Harelip is a congenital disease.

Reason : Harelip lasts for only a short time.

a)

(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.

b)

(b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

c)

(c) If Assertion is true but Reason is false.

d)

(d) If both Assertion and Reason are false.

18.

Assertion : Communicable diseases are called

infectious diseases.

Reason : Cancer is a communicable disease.

a)

(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.

b)

(b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

c)

(c) If Assertion is true but Reason is false.

d)

(d) If both Assertion and Reason are false.

19.

Assertion : Some communicable diseases

spread by means of droplets.

Reason : The droplets of saliva and naso-

pharyngeal secretions may contain millions of

bacteria and viruses.

a)

(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.

b)

(b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

c)

(c) If Assertion is true but Reason is false

d)

(d) If both Assertion and Reason are false.

20.

Which of the following can make you ill if you come in contact with an infected person?

a)

(a) High blood pressure

b)

(b) Genetic abnormalities

c)

(c) Sneezing

d)

(d) Blood cancer

21.

Making anti-viral drugs is more difficult than making anti-bacterial medicines because

a)

(a) viruses make use of host machinery

b)

viruses are on the border line of living and non-living

c)

(c) viruses have very few biochemical mechanisms of their own

d)

(d) viruses have a protein coat

22.

-Low vision in the evening and nights results from the deficiency of

a)

(A) Vitamin A

b)

(B) Vitamin B

c)

(C) Vitamin C

d)

(D) Vitamin D

Why do we fall ill ?

Total questions: 22

Worksheet time: 11mins

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