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SCIENCE PRACTICE QUESTIONS

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INFECTIONS & DISEASES

1.

Copy and complete the table below:

Disease Causative Agent Prevention/Control
Cholera Vibrio spp. Eating hot food
i) ..................... Plasmodium ii) ......................
iii) .................... Louse Personal hygiene
Ringworm iv) ........................ v) ..................................
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2.

(i)

What is a vector of a disease?

(ii)

State two methods each by which the vectors of the following diseases can be destroyed:

(α)

river blindness;

(β)

malaria.

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3.

State two precautions that should be taken to prevent the spread of each of the following diseases:

i)

cholera

ii)

smallpox

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4.

Copy and complete the table below

Disease Vector Causative agent Symptoms
Malaria
Sleeping sickness
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5.

a)

Name the organism that causes each of the following diseases:

i)

cholera

ii)

malaria

iii)

tuberculosis

iv)

ringworm

b)

State one method of preventing each of the diseases in (a) above.

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6.

i)

What is personal hygiene?

ii)

List four ways by which personal hygiene could be maintained

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7.

List four methods by which cholera can be controlled and prevented.

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8.

Give the names of organisms which cause the following diseases:

Sleeping sickness, Cholera, Malaria, Bilharzia

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9.

(i)

List three general causes of diseases

(ii)

State four ways by which diseases can be prevented.

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10.

Name two diseases which can be transmitted sexually

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11.

Name two diseases that can be controlled by immunization

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12.

(a)

List three symptoms of malaria.

(b)

State three ways of keeping the environment clean.

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13.

Mention three ways of protecting people from infection during an outbreak of cholera.

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14.

A student is suspected of having contracted COVID-19.

(i)

Give three symptoms that the student may exhibit to confirm this suspicion.

(ii)

Suggest two ways to prevent the spread of COVID-19 in the school.

(iii)

Give two reasons why COVID-19 was declared as a pandemic.

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15.

For each of the following diseases, name the causative organism and one method of prevention.

(i)

Cholera

(ii)

Bilharzia

(iii)

Malaria

(iv)

Tuberculosis

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16.

(i)

What is the preservation of food?

(ii)

List four methods of food preservation.

Explain why one of the methods you have listed is used for food preservation.

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17.

State one symptoms each of the following infections diseases:

i)

cerebrospinal meningitis;

ii)

chicken pox;

iii)

typhoid.

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