MCQ Questions Chapter 13 Why Do We Fall ill Class 9 Science

Please refer to MCQ Questions Chapter 13 Why Do We Fall ill Class 9 Science with answers provided below. These multiple-choice questions have been developed based on the latest NCERT book for Class 9 Science issued for the current academic year. We have provided MCQ Questions for Class 9 Science for all chapters on our website. Students should learn the objective based questions for Chapter 13 Why Do We Fall ill in Class 9 Science provided below to get more marks in exams.

Chapter 13 Why Do We Fall ill MCQ Questions

Please refer to the following Chapter 13 Why Do We Fall ill MCQ Questions Class 9 Science with solutions for all important topics in the chapter.

MCQ Questions Answers for Chapter 13 Why Do We Fall ill Class 9 Science

Question. Which type of disease is ‘Hemophilia’ ?
(a) An acute disease
(b) A deficiency disease
(c) A chronic disease
(d) An congenital disease     

Question. Which disease is prevented by immunizing with BCG?
(a) Pneumonia
(b) Tuberculosis
(c) Polio
(d) Amoebiasis    

Question. Select the correct matches.

(a) 1 and 3
(b) 2 and 3
(c) 2 and 4
(d) 1 and 4       

Question. BCG is an effective vaccine to prevent
(a) tetanus
(b) tuberculosis
(c) diptheria
(d) pertussis    

Question. Which of the following defines ‘health’ ?
(a) Social well being
(b) Physical fitness
(c) Mental fitness
(d) All of these    

Question. Find from the following, a disease you may suffer from, if you live in a over crowded and poorly ventilated place.
(a) Cholera
(b) AIDS
(c) Air borne diseases
(d) Cancer   

Question. Which of the following statements is correct?
(a) Common cold is not contagious.
(b) The common cold virus does not have its own RNA.
(c) Common cold usually takes two months to clear up.   

Question. The term ‘disease’ means
(a) different ease
(b) disturbed ease
(c) distorted ease
(d) diplomatic ease 

Question. What makes you ill if you come in contact with an infected person?
(a) High blood pressure
(b) Genetic abnormality
(c) Sneezing
(d) Blood cancer 

Question. Which type of diseases affect the body suddenly but, last for a short time?
(a) Acute disease
(b) Chronic disease
(c) Congenital disease
(d) Genetic disorder     

Question. Select a non-infectious disease.
(a) Leukemia
(b) Leprosy
(c) Measles
(d) Typhoid     

Question. Which of these causes communicable disease?
(a) Metabolic disorder
(b) Allergy
(c) Pathogen
(d) Hormonal imbalance     

Question. Find an organ affected in the disease, Jaundice.
(a) Kidney
(b) Liver
(c) Pancreas
(d) Leukemia   

Question. Which of the following is a mismatch?
(a) AIDS – Bacterial infection
(b) Polio – Viral infection
(c) Malaria – Protozoan infection
(d) Elephantiasis – Helminth infection  

FILL IN THE BLANK :

Question. Malaria is caused by a protozoan called ………. 

Question. BCG stands for ………. 

Question. ………. drug is used against amoebic dysentery. 

Question. Diseases are of two main kinds : Congenital and ………. 

Question. Rabies is also called ……….  

Question. The virus that causes acquired immune deficiency syndrome (AIDS) parasitizes………. 

Question. Malaria is caused by ………. 

TRUE/FALSE :

Question. Communicable diseases are non-infectious.

Question. Rickets is caused due to the deficiency of vitamin A.

Question. An environmental stress upsets the normal physiological functioning of the organism.

Question. Acquire diseases are developed after birth.

Question. Botulism can be caused by canned food.

Question. Streptomycin inhibits protein synthesis in pathogenic bacteria.

Question. Cancer is an infectious disease.

Question. Hepatitis is a non-communicable diseases.

Question. Antibiotics are produced by bacteria and fungi.

Question. Personal hygiene is must to prevent infectious diseases.

MATCHING QUESTIONS :

Question.

Question.

Question.

ASSERTION AND REASON :

DIRECTION : In each of the following questions, a statement of Assertion is given and a corresponding statement of Reason is given just below it. Of the statements, given below, mark the correct answer as:
(a) Both assertion and reason are true and reason is the correct explanation of assertion.
(b) Both assertion and reason are true but reason is not the correct explanation of assertion.
(c) Assertion is true but reason is false.
(d) Both Assertion and Reason are false.

Question. Assertion : Hepatitis is a viral infection of liver causing its inflammation.
Reason : Hepatitis is a contagious disease. 

Question. Assertion : Making anti-viral medicine is harder than making anti-bacterial medicines.
Reason : It takes hundreds of years to prepare antiviral drugs.    

Question. Assertion : HIV infected person is prone to opportunistic diseases.
Reason : Immune system weakens during HIV infection.   

Question. Assertion : Peptic ulcers cause acidity related pain and bleeding in the stomach.
Reason : Stress in the life causes peptic ulcers. 

Question. Assertion : Majority of children in many parts of India are already immune to hepatitis A by the time they are five years old.
Reason : Children are exposed to the virus through water.