- Answer the following questions to check your understanding:
a) What happened one day while Louis Pasteur was playing with his friends?
Answer:- He saw a man was running towards him and the man was very frightened. They said the news to Louis that someone had been bitten by a mad wolf from the mountain. Louis knew that the wolf was suffering from rabies.
b) What does rabies cause in human beings?
Answer:- Rabies is a viral disease that causes inflammation of the brain in humans and other mammals.
c) What experiment did Pasteur conduct on rabbits?
Answer:- He treated the ailing rabbits by injecting them with the same virus and succeeded in curing them.
d) Who was Pasteur’s first human patient? Was his treatment successful?
Answer:- His first human patient was a school boy who was bitten by a mad dog. His treatment was successful as the boy slowly fully cured.
e) Where and when did the French government establish the Pasteur Institute? What is it famous for?
Answer:- In 1888, the French government founded the Pasteur Institute in Paris. It is famous for the study of biology, micro-organisms, disease and vaccines.
- You must have noticed that the lesson has many words related to disease. Read the lesson carefully and note down all these words in the word web below.
Answer:- Disease-virus-experiment-patient-treatment-rabies-viral-deadly-cure-inject-vaccine-micro-organisms-biology.
- Here are five friends sharing information about diseases. Complete their dialogues with information from the lesson.
Answer:-
a) Puja:- Beware of animal bites, you may get rabies.
b) Rohan:- Measles is a deadly disease. It can lead to Pneumonia, Diarrhoea etc.
c) Pushpa:- Rubella infection can lead to children born with congenital birth defects as blindness, deafness, mental retardation, congenital heart defects.
d) Jumon:- The Anopheles mosquito is a carrier of Malaria.
- Do you know what a flowchart is? It is a diagram that shows how one things leads to the next. Read the lesson once again and complete the flowchart to show the chain of events. The first entry has been inserted for you.
Answer:-
— Pasteur sees a man bitten by a mad wolf.
—-He thought the man might get rabies and die.
—-He treated the ailing rabbits by injecting them with the same virus and succeeded in curing them.
—- A mother requested Pasteur to cure her son, who was bitten by a mad dog.
—- Pasteur injected the boy with the virus and achieved success.
—- Louis Pasteur had been famous for his new method of treatment.
- (c) Now complete these sentences using the simple present or the past continuous forms of the verbs in brackets:
Answer:-
i) we play football in the afternoon(play).
ii) The sun rises in the east(rise).
iii) Don’t make a noise; the baby is sleeping(sleep).
iv)Someone is knocking at the door; can you hear it?(knock)
v) The man is running towards the bus.(run)
vi) The bus usually comes at 8 o’ clock.(come)
vii) He is preparing for an engineering entrance examination.(prepare)
viii) He is learning German.(learn)
- (c) Let’s see how much you have understood. Complete these sentences using the simple past or the past continuous forms of the verbs brackets.
i) Louis Pasteur died in 1895.(die)
ii) Pasteur knew that the mad wolf was suffering from rabies.(suffer)
iii)When I reached his house, he was having lunch.(have)
iv) I arrived last evening.(arrive)
v) The boys were playing football when it suddenly began to rain.(play)
- Look at the sentences. They are in Direct speech. Imagine you are reporting the conversation to someone. Rewrite the sentences in Indirect/Reported speech.
Answer:-
a) Louis asked him what the matter was.
b) The woman asked Louis if he could save her son.
c) Louis said to the boy that he would do whatever she could.