NCERT Class-9 Science Solutions: Chapter 13-Why Do We Fall Ill Part 1 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Multiple Choice Questions

Question 1:

Which one of the following is not a viral disease?

  1. Dengue
  2. AIDS
  3. Typhoid
  4. Influenza

Answer: C

Image the Typhoid

Question 2:

Which one of the following is not a bacterial disease?

  1. Cholera
  2. Tuberculosis
  3. Anthrax
  4. Influenza

Answer: D

Image the Bacterial Disease

Question 3:

Which one of the following disease is not transmitted by mosquito?

  1. Brain fever
  2. Malaria
  3. Typhoid
  4. Dengue

Answer: C

Image the Disease Transmitted by Mosquito

Question 4:

Which one of the following disease is caused by bacteria?

  1. Typhoid
  2. Anthrax
  3. Tuberculosis
  4. Malaria

Answer: D

Image the Disease is Caused by Bacteria

Question 5:

Which one of the following diseases is caused by protozoans?

  1. Malaria
  2. Influenza
  3. AIDS
  4. Cholera

Answer: A

Image Protozoans

Question 6:

Which one of the following has a long term effect on the health of an individual?

  1. Common cold
  2. Chicken pox
  3. Chewing tobacco
  4. Stress

Answer: C

Image Chewing Tobacco

Question 7:

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

  1. High blood pressure
  2. Genetic abnormalities
  3. Sneezing
  4. Blood cancer

Answer: C

Image the Sneezing

Question 8:

AIDS cannot be transmitted by

  1. Sexual contact
  2. Hugs
  3. Breast feeding
  4. Blood transfusion

Answer: B

Image the Resion for AIDS Transmitted