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Why do we fall ill? (CBSE-IX)

Description: IX science chapter-Why do we fall ill? all interior questions to test your knowledge on the topic.
Number of Questions: 25
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Tags: CBSE-IX IX- science IX- Biology CBSE ICSE Why do we fall ill Health and Hygiene Disease Caused by Protozoa and Worms Principle of Prevention of Disease Antibiotics Modes of Transmission of Disease Direct & Indirect Modes of Transmission of Disease Direct and Indirect
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Syphilis can spread through

  1. air

  2. water

  3. sexual contact

  4. all of the above


Correct Option: C
Explanation:

Syphilis is a bacterial infection that's typically spread through sexual contact.It most commonly begins as a painless sore, usually in the area of your genitals, rectum, or mouth.The infection spreads from person to person through contact with these sores by the skin or mucous membranes.

Find the odd one:

  1. Bacteria

  2. Virus

  3. Fungi

  4. Worms


Correct Option: D

The same drug can work for both bacteria and virus.

  1. The above statement is correct

  2. The above statement is not correct

  3. The above statement is sometimes correct and sometimes in-correct.

  4. Can't say whether this statement is correct or not.


Correct Option: B

Which of the following statements is correct.

  1. Communicable diseases can spread.

  2. Malaria is not a communicable disease.

  3. AIDS is not a communicable disease.

  4. All the above.


Correct Option: A

Virus lives _______ the cells.

  1. outside

  2. inside

  3. on

  4. None of the above


Correct Option: B

Find the odd one:

  1. Common cold

  2. AIDS

  3. Pneumonia

  4. Tuberculosis


Correct Option: B

Cholera is a/an ________ disease.

  1. air borne

  2. water borne

  3. Both 1 and 2

  4. None of the above


Correct Option: B

Common cold is a/an

  1. communicable disease

  2. non communicable disease

  3. acute disease

  4. Both 1 and 3


Correct Option: D

Tuberculosis is a/an _________ disease.

  1. air borne

  2. communicable

  3. Both 1 and 2

  4. None of the above


Correct Option: C

AIDS virus can spread through

  1. blood to blood contact with the infected people

  2. infected mother to baby during pregnancy

  3. brest feeding a child

  4. All of the above


Correct Option: D

Vectors are

  1. animals

  2. humans

  3. plants

  4. intermediaries


Correct Option: D

Which of the following mosquitoes bite/s us?

  1. Male

  2. Female

  3. Both male and female

  4. None of the above


Correct Option: B

The most common vector is

  1. butterfly

  2. mosquito

  3. fly

  4. crow


Correct Option: B

Mosquitoes feed on ________ blooded animals.

  1. warm

  2. cold

  3. Both 1 and 2

  4. None of the above


Correct Option: A

Bacteria can enter into __________.

  1. gut

  2. liver

  3. Both 1 and 2

  4. None of the above


Correct Option: C

HIV virus can spread through ________ all over the body.

  1. blood

  2. lymph nodes

  3. nerves

  4. tissues


Correct Option: B

Japanese encephalitis is commonly known as

  1. brain fever

  2. brain tumor

  3. cancer

  4. None of the above


Correct Option: A

Malaria causing virus goes to the ____________.

  1. liver

  2. brain

  3. blood

  4. gut


Correct Option: A

If the lungs are the targeted area of infection, the symptoms will be

  1. cough

  2. breathlessness

  3. headaches

  4. obesity


Correct Option: B

Malaria causing virus enters into the body through

  1. water

  2. air

  3. mouth

  4. mosquito bite


Correct Option: D

Jaundice is caused when the ________ is affected.

  1. brain

  2. eye

  3. liver

  4. intestine


Correct Option: C

Swelling is a _______ effect/s.

  1. local

  2. general

  3. normal

  4. None of the above


Correct Option: A

Which of the following statements is/are correct?

  1. Fever refers to an elevation in body temperature.

  2. Normal body temperature is 98.6 F (37 C).

  3. Most fevers are caused by infection.

  4. All of the above


Correct Option: D

Inflammation recruits many __________ to kill the microbes.

  1. cells

  2. organs

  3. tissues

  4. None of the above


Correct Option: A

If brain is targeted by a microbe, the symptom/s will be

  1. fits

  2. unconsciousness

  3. headaches

  4. All of the above


Correct Option: D
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