ICSE : CLASS 9 : TEST PAPER : Chapters :Disease: Cause and Control/Hygiene- A key to Healthy Life

ICSE : CLASS 9 : TEST PAPER : Chapters :Disease: Cause and Control/Hygiene- A key to Healthy Life

1.Name the following                                                                                                                              a.A bacterium that causes tuberculosis.

b.Mosquito that spreads dengue

c.A fish used to control mosquito larvae

d. Larvae of housefly.

e. A liver disease characterised by yellow eyes and deep yellow urine.                                                                                                                                                                                                             5

2.Write true /false and correct the false statements by changing either first or last word only.

a.Louis Pasteur discovered a cure for malaria

b.Mumps and politomyelitis are caused by bacteria

c. Culex mosquito spreads dengue.

d.W hooping cough is also known as Diptheria                                                                                                                                                                                                                                                   4

3. Differentiate between

a.Endemic and Epidemic diseases.

b.Anopheles and Culex mosquito.

c.Virus and bacteria .                                                                                                                        6                                                                                                                                                                    4. Define

1.Infection.

2.Incubation period.

3.Vector                                                                                                                                                                                                                                                                                 3

5.Given below is a list of 4 pathogens and each followed by three diseases .underline the disease which does not match the pathogen.

a.Bacteria : Tuberculosis,Cholera,Mumps

b.Viruses : Rabies,Cholera,Poliomyelitis.

c.Worms :Taeniasis,Malaria,Ascariasis.                                                                                                                                                                                                                                                  3

6.How is polio transmitted?                                                                                                                                                                                                                                                                             1

 7.What is taeniasis? How does man get this disease?                                                                                                                                                                                                                                           2

8.What is the cause and symptoms of tetanus?How can it be prevented?                                             3

9.Why should one breathe by nose and not by mouh  ?                                                                                     1                                                                                         

10.Name 2 types of dysentary and their causative organisms.   

BY: ASHWANI KUMAR .BIO TEACHER AT VIGYAN TUTORIALS.PATEL NAGAR PHAGWARA 9646388266                                                                              2