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OTI365 - Olympiad -IX Standard
Olympiad Class IX Science - Health and Diseases Practice Questions

Olympiad Science - Health and Diseases

Exam Duration: 45 Mins Total Questions : 30

1 )

Which antibiotic is extracted from fungi?

(a)
Streptomycin
(b)
Penicillin
(c)
Chloromycetin
(d)
Framycetin

2 )

Which of the following is not a symptom of tuberculosis?

(a)
Increase in body weight and tiredness.
(b)
More than two weeks of coughing bouts.
(c)
Thick yellowish green sputum produced.
(d)
An X-ray shows dark spots in the lungs.

3 )

Which substance is/are produced within an organism to prevent the spread of microorganism?

(a)
Antiseptics
(b)
Antibiotics
(c)
Antibodies
(d)
all of these

4 )

Which of these diseases is spread when the patient coughs?

(a)
AIDS, TB and hepatitis
(b)
TB, influenza and cholera
(c)
TB and influenza
(d)
TB and hepatitis

5 )

Which of the following is NOT a natural way of destroying bacterial infection?

(a)
Antibodies produced in the body
(b)
Production of HCI in the stomach
(c)
Antibiotics taken orally or by injection.
(d)
Phagocytosis by WBC's

6 )

Why are houseflies NOT considered as biological vectors?

(a)
They do not spread diseases.
(b)
They do not transmit disease directly.
(c)
They are parasites and not vectors.
(d)
All of these

7 )

Which of the following cause(s) infectious diseases?

(a)
Pollutants
(b)
Harmful lifestyle
(c)
Inheritance
(d)
Microorganisms

8 )

Which of the following organisms causes malaria?

(a)
Paramoecium
(b)
Plasmodium
(c)
Flavi-virus
(d)
Taxoplasma

9 )

Which of the following is NOT a viral disease?

(a)
Pertussis
(b)
Rabies
(c)
Rubella
(d)
Chicken pox

10 )

Which of the following diseases spreads through infected needles or blood transfusion?

(a)
Jaundice
(b)
AIDS
(c)
Measles
(d)
Polio

11 )

Which of the following group is called pathogens?

(a)
Viruses, bacteria and fungi
(b)
Measles, mumps and chicken pox
(c)
Cholesterol, saturate fat, and helminthes
(d)
All of the above

12 )

Which of the following statements is correct about vaccination?

(a)
Develops resistance against the attack of a disease
(b)
Can control every disease
(c)
Kills all the disease-causing organisms in the area
(d)
Involves the use of antibodies

13 )

Which of the following microorganisms causes peptic ulcers?

(a)
Staphylococcus aureus
(b)
Streptococcus pneumonia
(c)
Helicobacter pylori
(d)
Nisseria

14 )

Which of the following is a communicable disease?

(a)
Diabetes
(b)
Marasmus
(c)
Diphtheria
(d)
Kwashiorkar

15 )

Which of the following microorganisms causes ringworm.

(a)
Bacteria
(b)
Protozoa
(c)
Fungi
(d)
Virus

16 )

Which of the following diseases are caused due to the defects that are present from birth?

(a)
Deficiency
(b)
Hormonal
(c)
Infectious
(d)
Congenital

17 )

Match the following diseases in column-I with their pathogens in column-II

	Column-I		Column-II
a.	Measles	1.	Protozoa
b.	Cholera	2.	Virus
c.	Kalaazar	3.	Bacteria

(a)
a-1,b-3,c-2
(b)
a-1,b-2,c-3
(c)
a-2,b-1,c-3
(d)
a-2, b-3, c-1

18 )

Which of these diseases is caused by a protozoan and shows symptoms of fever and chill?

(a)
Cholera
(b)
Hepatitis-B
(c)
Malaria
(d)
Measles

19 )

How does vaccination produce immunity towards a particular disease?

(a)
It results in the increase of white blood cells.
(b)
It stimulates lymphocytes to produce antibodies.
(c)
It kills the pathogens which cause the disease.
(d)
II prevents the entry of pathogens into the body.

20 )

Which of the following is/are viral diseases?

(a)
Malaria
(b)
Cholera
(c)
Hepatitis-B
(d)
All of these

21 )

A person is suffering from muscle cramps, vomiting, acute diarrhoea, dehydration and passage of rice water like stool. Which of these diseases is he suffering from?

(a)
Diptheria
(b)
Tuberculosis
(c)
Cholera
(d)
Typhoid

22 )

Which of the following is a communicable disease?

(a)
Hepatitis
(b)
Kwashiorkar
(c)
Marasmus
(d)
Pellagra

23 )

Which of the following groups of the disease, the causative microorganism and disease symptom is/are true?

(a)
Malaria - Protozoan-Fever and chill
(b)
Hepatitis-B - Virus - Swollen liver
(c)
Cholera-Virus -Vomiting & diarrhoea
(d)
all of these

24 )

Which of these organs, when infected shows symptoms of cough and breathlessness?

(a)
Heart
(b)
Lungs
(c)
Stomach
(d)
Kidney

25 )

Which of these pathogens causes ringworm and athlete's foot?

(a)
Protozoa
(b)
Bacteria
(c)
Fungi
(d)
Algae

26 )

Which of these terms is used to describe a condition that interferes with the normal functioning of the body or mind?

(a)
Vaccination
(b)
Epidemic
(c)
Disease
(d)
Endemic

27 )

Which is to be taken to prevent dehydration due to diarrhoea?

(a)
Rice
(b)
Vitamin pills
(c)
Bread
(d)
Boiled and filtered water with some salt and sugar

28 )

Which of these conditions results from being vaccinated?

(a)
Artificial immunity
(b)
Natural immunity
(c)
Humoral immunity
(d)
Cellular immunity

29 )

Which of these statements is true about common cold?

(a)
Common cold is not contagious.
(b)
The bacteria causing common cold, does not have its own RNA
(c)
Common cold is a bacterial disease.
(d)
The virus causing common cold can leave the body of infected people through the mucus.

30 )

Which of the following is a bacterial disease?