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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: IX Science IX CBSE Science IX Biology science test IX CBSE state board ICSE Infectious Disease Disease and its Causes Principles of Treatment of Diseases balanced Diet Principle of Prevention of Disease Antibiotics
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Sneezing results in ________ infections.

  1. skin

  2. brain

  3. droplet

  4. throat


Correct Option: C

Deficiency of _______ in the food leads to goiter disease.

  1. vitamin A

  2. iodine

  3. calcium

  4. None of the above


Correct Option: B

Hepatitis B is ________ hepatitis A.

  1. more dangerous than

  2. as same as

  3. lesss dangerous than

  4. None of the above


Correct Option: A

Hydrophobia is an another name for

  1. rabies

  2. malaria

  3. cancer

  4. tumor


Correct Option: A

Acquired diseases are present since birth. State whether this statement is correct or not.

  1. Correct

  2. Incorrect

  3. some what correct

  4. Can't say


Correct Option: B

Interferons are anti _________ proteins.

  1. viral

  2. bacterial

  3. protozoan

  4. fungal


Correct Option: A

State whether this statement is correct or not. Pathogen is a vector.

  1. Correct

  2. Incorrect

  3. Somewhat correct

  4. Can't say


Correct Option: B

Cholera is caused by ________ and malaria is caused by ________.

  1. bacterium, virus

  2. virus, bacteriam

  3. bacterium, protozoan

  4. protozoan, virus


Correct Option: C

Mycobacterium is a causative organism for

  1. TB

  2. malaria

  3. cancer

  4. brain fever


Correct Option: A

AIDS virus has

  1. single stranded DNA

  2. double stranded DNA

  3. double stranded RNA

  4. None of the above


Correct Option: D

Anopheles spread

  1. rabies

  2. malaria

  3. AIDS

  4. cancer


Correct Option: B

Egg is a good source of

  1. vitamins

  2. minerals

  3. proteins

  4. All of the above


Correct Option: D

Malaria spreading mosquito breed in __________ water.

  1. sea

  2. fresh

  3. stagnant

  4. drinking


Correct Option: C

Leprosy is a __________ infection.

  1. bacterial

  2. viral

  3. nematode

  4. fungal


Correct Option: A

Antigens trigger the production of

  1. microbes

  2. antibodies

  3. antibiotics

  4. All of the above


Correct Option: B

Interferons are made in our body against

  1. viral infections

  2. bacterial infections

  3. protozoan infections

  4. All of the above


Correct Option: A

T- lymphocytes are of _________ type/s.

  1. 1

  2. 2

  3. 3

  4. 4


Correct Option: D

Symptom/s of typhoid is/are

  1. fever and rose coloured rashes

  2. delirium

  3. slow pulse

  4. abdominal tenderness


Correct Option: D

Killer cells are known as

  1. cytotoxic

  2. suppressor

  3. memory

  4. All of the above


Correct Option: A

B-cells are of _____ type/s.

  1. 1

  2. 2

  3. 3

  4. 4


Correct Option: C

Flu is

  1. an influenza

  2. typhoid

  3. cholera

  4. None of the above


Correct Option: A

Hepatitis is known as

  1. jaundice

  2. malaria

  3. tumor

  4. diabeties


Correct Option: A

Which of the following is/are type/s of lymphocytes?

  1. T-lymphocytes

  2. B-lymphocytes

  3. A-lymphocytes

  4. Both 2 and 3


Correct Option: D

Antigens

  1. produce microbes

  2. produce an immune response

  3. produce diseases

  4. None of the above


Correct Option: B

Types of T-cells are

  1. helper

  2. memory

  3. killer

  4. suppressor


Correct Option: D
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