Do you need some help in preparing for your upcoming Class 9 Science exam? We’ve compiled a list of MCQ questions on Why do we Fall Ill Class 9 MCQs Questions with Answers to get you started with the subject. You can download NCERT MCQ Questions for Class 9 Science Chapter 13 Why do we Fall Ill with Answers Pdf free download, and learn how smart students prepare well ahead MCQ Questions for Class 9 Science with Answers.
Why do we Fall Ill Class 9 MCQs Questions with Answers
Solving Why do we Fall Ill Multiple Choice Questions of Class 9 Science Chapter 13 MCQcan be really beneficial because you will be familiar with all of the topics. These MCQ Questions on Why do we Fall Ill Class 9 with answers provide for a quick review of the Chapter, allowing you to have a better understanding of the subject.
Multiple Choice Questions
Question 1.
Which one of the following is not a viral disease?
(a) Dengue
(b) AIDS
(c) Typhoid
(d) Influenza
Answer
Answer: (c) Typhoid
Question 2.
Which one of the following is not a bacterial disease?
(a) Cholera
(b) Tuberculosis
(c) Anthrax
(d) Influenza
Answer
Answer: (d) Influenza
Question 3.
Which one of the following causes Kala-azar?
(a) Ascaris
(b) Trypanosoma
(c) Leishmania
(d) Bacteria
Answer
Answer: (c) Leishmania
Question 4.
AIDS cannot be transmitted by:
(a) sexual contact
(b) hugs
(c) breastfeeding
(d) blood transfusion
Answer
Answer: (b) hugs
Question 5.
Which one of the following diseases is not caused by bacteria?
(a) Typhoid
(b) Anthrax
(c) Tuberculosis
(d) Malaria
Answer
Answer: (d) Malaria
Question 6.
Viruses, which causes hepatitis are transmitted through:
(a) air
(b) water
(c) food
(d) personal contact
Answer
Answer: (b) water
Question 7.
The name of bacterial disease is
(a) Ringworm
(b) Measles
(c) Typhoid
(d) Malaria
Answer
Answer: (c) Typhoid
Question 8.
T.B. (Tuberculosis) is caused by:
(a) Vibrio Cholerae
(b) Mycobacterium tuberculosis
(c) HIV virus
(d) Salmonella typhi (bacteria)
Answer
Answer: (b) Mycobacterium tuberculosis
Fill in the Blanks.
Question 9.
Common cold is a/an _______ disease.
Answer
Answer: communicable infections
Question 10.
Many skin diseases are caused by ________
Answer
Answer: fungi
Question 11.
Typhoid fever, cholera, tuberculosis and anthrax are caused by _________
Answer
Answer: bacteria
Question 12.
__________ cause many familiar diseases, such as malaria and Kala-azar.
Answer
Answer: Protozoans
Question 13.
Elephantiasis is caused by a _________
Answer
Answer: worm
Question 14.
Cholera is a __________ disease.
Answer
Answer: communicable
Question 15.
Malaria is caused by a _________
Answer
Answer: protozoan
Question 16.
An example of chronic diseases is worm infestation named ________
Answer
Answer: elephantiasis
True/False.
Question 17.
The health of all individuals depends on their surroundings or their environment.
Answer
Answer: True
Question 18.
Common examples of diseases caused by viruses are the common cold, influenza, dengue fever, and AIDS.
Answer
Answer: True
Question 19.
All diseases can be transmitted from a sick person to healthy people.
Answer
Answer: False
Question 20.
Making anti-viral medicines is more difficult than making anti-bacterial medicines.
Answer
Answer: True
Question 21.
Malaria is a communicable disease.
Answer
Answer: True
Question 22.
Health is a state of physical, mental, and social well-being.
Answer
Answer: True
Question 23.
Infectious diseases can not be prevented by using immunisation.
Answer
Answer: False
Match the Column.
Question 24.
| A | B |
| 1. Mosquito | (i) Acne |
| 2. Leishmania | (ii) Cowpox |
| 3. Staphylococci | (iii) Peptic ulcers |
| 4. Marshall and Warren | (iv) Vector |
| 5. Edward Jenner | (v) Kala-azar |
Answer
Answer:
| A | B |
| 1. Mosquito | (iv) Vector |
| 2. Leishmania | (v) Kala-azar |
| 3. Staphylococci | (i) Acne |
| 4. Marshall and Warren | (iii) Peptic ulcers |
| 5. Edward Jenner | (ii) Cowpox |
Answer in one Word/Sentence.
Question 25.
Write the full form of AIDS?
Answer
Answer: Acquired Immuno Deficiency Syndrome
Question 26.
Name the vaccine used to prevent T. B. (Tuberculosis).
Answer
Answer: B.C.G. Vaccination
Question 27.
Who received Nobel Prize in 2005 for their contribution related to the cause of peptic ulcers?
Answer
Answer: Marshall and Warren
Question 28.
What type of organism Helicobacter pylori is that causes peptic ulcers?
Answer
Answer: A bacterium
Question 29.
Name the target organ in hepatitis?
Answer
Answer: Liver
Question 30.
Name the target organ in pneumonia?
Answer
Answer: Lungs
Question 31.
Name the most common target organ in fungal disease?
Answer
Answer: Skin
Question 32.
Who discovered ‘vaccine’?
Answer
Answer: Edward Jenner
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