Louis Pasteur: Lesson-5: Class-viii (Questions And Answers)

Louis Pasteur:Lesson-5: Class-viii(Questions And Answers)

One day a boy called Louis Pasteur was playing with his friends in Abois, a small town in France. 

Suddenly he saw a man running towards him. The man was very frightened."What is the matter?" Louis asked him." someone has been  bitten by a mad wolf from the mountain."

Rabies is a viral disease that causes inflammation of the brain in humans and other mammals. Animals with rabies go mad and die.

Dear students, I will try to give all question's answer in this lesson, "Louis Pasteur." This lesson mainly discusses common diseases and their cure.

Let's see the answers.

Question no-1.

Answer the following questions to check your understanding:

(a)   What happened one day while Louis Pasteur was playing with his friends?

Answer:  

When Louis Pasteur was playing with his friends, at that time, suddenly he saw a man running towards him.

(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.

Animals with rabies go mad and die. Human beings get vires when they are bitten or scratched by 

animals with rabies.

(c)   What experiment did Pasteur conduct on rabbits?

Answer: 

While experimenting with rabbits, Pasteur found the deadly virus that causes rabies. In his experiments, 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:   

A schoolboy was the first human patient on Pasteur's. Yes, his treatment was successful.

(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.

This Institute is dedicated to the study of biology, micro-organisms, diseases, and vaccines.

Question no-2.

You must have noticed that the lesson has many words related to the disease. Read the lesson carefully and note down all these words in the word web below.

Answer:

Disease:

(i)    Virus

(ii)   Patient

(iii)  Treatment

(iv)   Rabies

(v)    Viral

(vi)   Vaccine

(vii)  Ailing

(viii) Biology

Question no-3.

Here are five friends sharing information about diseases. Complete their dialogues with information from the lesson.

(a) Puja: Beware of animal bites-----------------------------------.

(b) Rohan: Measles is a deadly disease ---------------------------.

(c) Pushpa: Rubella infection can lead to ------------------------.

(d) Jumon: The Anopheles mosquito --------------------------------.

Answer:

(a) Puja: Beware of animal bites may cause rabies.

(b) Rohan: Measles is a deadly disease, it can lead to Pneumonia, Diarrhoea, and other life-threatening complications.

(c) Pushpa: Rubella infection can lead to children born with congenital birth defects, like blindness, deafness, mental retardation, etc.

(d) Jumon: The Anopheles mosquito is a carrier of Malaria.

Question no-6.(a)

Let's learn some tense forms:
We use the Simple Present tense

(i)    to express universal truths:

       Animals with rabies grow mad.

Answer: Animals with rabies go mad and die.

(ii)   to express habitual or repeated action:

       Louis Pasteur plays with his friends.

Answer: Louis Pasteur always plays with his friend.

(iii) He works in the Institute.

Answer: He does work in the Institute.

(b)  We use the Present Continuous tense to express an action that is presently going on:
He is working on his experiment.

(c)  Now complete these sentences using the Simple Present or the Present continuous forms of the verbs in brackets:

(1)      We ---- football in the afternoon. (play)

Answer:  We play football in the afternoon.

(ii)     The sun------- in the east. (rise)

Answer:  The sun rises in the east.

(iii)    Don't make a noise; the baby ----- .(sleep)

Answer:  Don't make a noise; the baby is sleeping.

(iv)     Someone ------- at the door, can you hear it? (knock)

Answer:  Someone knocks at the door, can you hear it?

(v)      The man -------- towards the bus. (run)

Answer:  The man is running towards the bus.

(vi)     The bus usually ---------- at 8 o'clock. (come)

Answer:  The bus usually comes at 8 o'clock.

(vii)    He -------- for an engineering entrance examination. ( prepare)

Answer:  He is preparing for an engineering entrance examination.

(viii)   He -------- German. ( learn)

Answer:  He learns German.

Question no-7 

(a) We use Simple Past tense:

(i)    to talk about an action that has already taken place,e.g. 

This method of treatment of rabies made Pasteur famous all over the world.

(ii)   to show a series of completed actions,e.g. 

He injected the boy with the virus and kept him under watch.

(b)    We use the Past continuous tense:

(i)    to refer to an action that was going on for a certain period of time in the past, e.g.

        one day, a boy called Louis Pasteur was playing with his friends.

(ii)   to show that something happened while another action was going on, e.g.   

        many years later, when he was experimenting on rabbits, he found the deadly virus that causes rabies.

(c)    Let's see how much you have understood. Complete these sentences using the Simple Past tense or Past continuous forms of the verb in brackets.

(i)    Louis Pasteur ------in 1895. (die)

Answer: Louis Pasteur died in 1895.

(ii)   Paster knew that the mad wolf -------- from rabies. (suffer)

Answer: Paster knew that the mad wolf was suffering from rabies.

(iii)  When I reached his house, he --------- lunch. (have)

Answer: When I reached his house, he was having lunch.

(iv)   I ------- last evening. (arrive)

Answer: I arrived last evening.

(v)    The boys-------- football when it suddenly began to rain. (play)

Answer: The boys were playing football when it suddenly began to rain.

Question no-8

Imagine you are the young boy who was bitten by the mad dog. You are telling your friends what happened when you were coming home from school. Fill in the gaps in the passage below with correct forms of the verbs to complete your story.

  Yesterday I--- --- (return) from school alone. One the way I------ (see) a group of boys around a dog. The dog ----(seem) to be mad, and the boys --- --- (throw) stones at it. This ------ (make) the dog angry and frightened. The dog ----- (begin) to bark angrily. The boys ----- (find) this very funny and they ------- (hit) the dog with a stick. I --- --- (stand) nearby quietly. Suddenly the dog----- (rush) at me and ----- (bite) me. I ----(shout) to the boys to help me. But they -----(run) away. The dog ----(is) so angry that it -----(will) not let go of my leg. Finally, three-man from nearby shop-----(come) out and -----(chase) the dog away.

Answer:

Yesterday I was returning from school alone. One the way I saw a group of boys around a dog. The dog seems to be mad, and the boys were throwing stones at it. This made the dog angry and frightened. The dog began to bark angrily. The boys found this very funny and they hart the dog with a stick. I was standing nearby quietly. Suddenly the dog rushed at me and bitten me. I shouted at the boys to help me. But they ran away. The dog was so angry that it would not let go of my leg. Finally, three-man from the nearby shop came out and chased the dog away.

Question no-(9)

Here are a few words from the lesson. see if you can match the words to their meanings:

Scared:- a living thing, too small to be seen without a microscope, that causes infectious diseases.

Scratched:- sick and not improving.

Ailing:- to be frightened of something or afraid that something bad might happen.

Virus:- a very small living thing that you can only see under a microscope.

Micro-organism:- when the skin is cut or damaged slightly with something sharp, such as nails.

Answer:

Scared:-  to be frightened of something or afraid that something bad might happen.

Scratched:-   when the skin is cut or damaged slightly with something sharp, such as nails.

Ailing:-  sick and not improving.

Virus:-  a living thing, too small to be seen without a microscope, that causes infectious diseases.

Micro-organism:- a very small living thing that you can only see under a microscope.

Question no-10

Look at the pictures given below, write sentences in the boxes using words from the lesson to describe the pictures.

Answer:

(i)   A mad wolf is running behind the boy.

(ii)  A mad wolf has bitten the boy at the leg.

(iii) Her mother brings them to the hospital and injected them by a nurse

(iv)  The boy is sleeping on the bed.

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