MCQ Treatment and Prevention of Diseases Chapter 13 Class 9 Science

MCQ’s For All Chapters – Science Class 9th

1. There will be total 10 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. Which of the following organism causes acne?

Trypanosoma

Lactobacillus

Staphylococcus

Plasmodium

Question 1 of 10

2. What is the importance of childhood immunisation programmes?

These programmes give protection only when the child reaches adult stage.

These programmes give lifelong protection against several infectious diseases

These progremmes give temporary protection against diseases

These programmes improve the health of some children

Question 2 of 10

3. Which of the following system of our body works against disease causing microbes?

Immune system

Respiratory system

Circulatory system

Digestive system

Question 3 of 10

4. Sleeping sickness is caused by ____________, a protozoan.

Trypanosoma

Euglena

Plasmodium

Amoeba

Question 4 of 10

5. It was found that milkmaids who had cowpox did not suffer from smallpox later?

Since small pox virus is closely related to cowpox virus.

Scientists have not yet worked out the reason for this.

Since cowpox is more deadly than smallpox.

Since smallpox is more deadly than cowpox.

Question 5 of 10

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

Viruses have very few biochemical mechanisms of their own

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

Viruses have RNA as their genetic material

Viruses have a protein coat

Question 6 of 10

7. Infants are vaccinated against many diseases. By vaccination their immune system gets

Deactivated

Degenerated

Generated

Activated

Question 7 of 10

8. Why is the body of an AIDS patient unable to fight off even minor infections like common cold?

The HIV virus is also capable of causing other minor infections

The HIV virus damages the function of the immune system

The AIDS patient is not allowed to take any medication

The body is busy fighting off the attack of the HIV virus.

Question 8 of 10

9. The organisms which carry the infectious agents from a sick person to another potential host are known as

Fomites

Causative agents

Vectors

Vehicles

Question 9 of 10

10. How does penicillin kill bacteria?

Penicillin makes holes in the cell membrane.

Penicillin interferes with the bacterial metabolism.

Penicillin inhibits protein synthesis.

Penicillin prevents cell wall formation.

Question 10 of 10

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