Class 7

Lesson- 9

A Beautiful Mind

-by J.C. Bose

Activity-1

Choose the correct answer from the given options:

a. Jagadish Chandra Bose studied in -

i. Hindu School

ii. Hare School

iii. Ballygunge Government School-

b. Bose met Father Lafont at -

i. Cambridge

ii. London

iii. St. Xavier’s College

c. Bose graduated in B.Sc. from-

i. University of Cambridge

ii. University of Oxford

iii. University of London

Activity-2

Fill in the chart with information from the text:

Year	Event
1858	J. C. Bose was born
1869	Bose joined Hare School
1875	Joined St. Xavier’s College
1884	Bose received the Natural Science Tripos from the University of Cambridge.
1885	Joined Presidency college
1895	Demonstration at Town Hall

Activity-3

Complete the following statements with information from the text:

a. Bose’s father used to work as a Deputy Magistrate in Faridpur, Burdwan and in other places.

b. Bhagwan Chandra Bose was the leader of the Brahmo Samaj.

c. In his school days Bose’s playmates were the son of a Muslim attendant and of a fisher man.

d. Bose went to England to study Natural Science.

Activity-4

Answer the following questions:

a. Why did Jagadish Chandra Bose receive his early education in a vernacular school?

Ans: Jagadish Chandra Bose received his early education in a vernacular school because his father believed that a child should first learn their mother tongue. He also felt it was important for children to stay connected with their own culture and people.

b. What did Bose’s mother do when he brought his friends home from school?
Ans: When Bose brought his friends home, his mother warmly welcomed them and served food to all, treating them equally without any kind of discrimination.

c. Who was Lafont? How did he influence Bose?

Ans: Lafont was a Jesuit priest and a dedicated teacher. He inspired Bose to take a deep interest in natural science through his passionate and engaging teaching style.

d. Why did Bose refuse to accept his salary?

Ans: Bose refused to accept his salary because he was offered less pay than his European colleagues and was denied proper research facilities. Out of self-respect and strong national pride, he continued teaching without accepting any salary until justice was done.

Activity-5

Match the single words with their expanded forms:

Single word form	Expanded forms
astronomy	study of stars and planets
library	a place where books are kept
garage	a place to keep cars
psychology	study of human mind
orchard	a garden of many fruit trees
cashier	a person who handles cash

Activity-6

Identify which of the following statements are True and which are False. Give a supporting statement for your answer:

a. Crescograph was invented by Marconi.[F]

supporting statement: Bose …instruments one of them is the Crescograph.

b. Marconi got the patency right for wireless telegraphy.[T]

supporting statement: It was the Italian scientist Marconi who got the patent for invention of wireless telegraphy.

c. Bose was awarded Knighthood in 1919.[F]

supporting statement: When he was awarded Knighthood by the British government in 1917.

d. No other Bengali writer had written science fiction before J.C. bose.[T]

supporting statement: He was the first writer of science fiction in Bangla.

Activity-7

Complete the following statements:

a. Crescograph is used to measure the growth rate of plants.

b. Bose proved that plants are sensitive to heat, cold, light, noise and other external stimuli, just like human beings.

c. In 1917 Bose founded Bose Institute.

d. Bose Institute was founded in Kolkata, at the own house of J.C. Bose.

Activity-8

Answer the following questions:

a. ‘Bose had invented several sensitive instruments’. Name a ‘sensitive instrument’ invented by J.C. Bose What is its use?

Ans- A sensitive instrument invented by J.C. Bose is Crescograph.

It is used to measure the growth rate of plants.

b. What did Bose prove by his experiments on plants?

Ans- By his experiments on plants Sir J.C. Bose proved that plants behave in the same manner as human beings though plants take longer to respond than animals.

c. Do you think Bose was uninterested about securing patency right? Why?

Ans- Yes, I think Bose was uninterested about securing patency right.

He was a great scientist, who did not run after the commercial benefits for his inventions. On the contrary, he made his inventions public for the advancement of science.

d. What were the various awards and honours conferred on Bose?

Ans- He was awarded knighthood by the British government in 1917. He was also conferred awards like ‘Fellow of the Royal Soceity’, ‘Companion of the order of the Indian Empire’ etc.

e. Name some of his books and publications.

Ans- The books and publications are - ‘Response in the living and the Non-living’(1902),’The Nervous Mechanism of Plants’(1926),’Major Mechanism of plants’(1928) and ‘Niruddesher Khoje’(1896).

Activity-9

Read the following passage and underline the adverbs. An example is given :

Shanti is a young girl. She lives in a remote village with her family. Her school is five miles away from there. But Shanti attends her school daily. She stood third in her class in the previous examination. She believes that she can do better. She is now concentrating on her studies more seriously. Shanti never behaves rudely with her classmates. So they like her. She follows her teachers attentively in the class. Therefore the teachers really like her. They often enquire whether she is facing any problem. Why do many teachers think that Shanti is the best girl in the class? It is because Shanti has faced the challenges of life bravely.

Activity- 10

Now put the underlined adverbs from the above passage in the chart according to their functions. One is done for you.

Adverb	Function
There	indicates the place where the action happens
never, daily, often, now	indicates how often something happens
therefore	indicates why the action is performed
seriously, attentively, rudely, really, bravely	indicates how or in what manner the action is performed
why	used to ask a question

Activity-11

Transform the degree of adjectives of the following sentences as directed:

a. Plants are as sensitive as animals. (change into comparative degree)

Ans- Plants are not more sensitive than animals.

b. Simla is cooler than Kolkata. (change into positive degree)

Ans- Kolkata is not as cool as Simla.

c. Umesh Yadav is the fastest bowler in the Indian cricket team. (change into comparative degree)

Ans- No other bowler in the Indian cricket team is faster than Umesh Yadav.

d. Ishant Sharma is taller than any other Indian cricketer. (change into superlative degree)

Ans- Ishant Sharma is tallest among the Indian cricketers.

e. Mt. Everest is the highest mountain in the world. (change into positive degree)

Ans- No other mountain in world is as high as Mt. Everest.

Activity-12

In this lesson you have read the biography of a great Indian scientist. Now write a biography ( in about seventy words) of Prafulla Chandra Roy, who was another great Indian scientist. You can use the following hints:

Birth: 1861, Khulna, now in Bangladesh-education: village pathsala, Hare School, passed Entrance examination (1879), F.A. from Metropolitan College (1882)- won Gilchrist scholarship(1882)-went to London-B.Sc. from Edinburgh University(1882-84), D.Sc., Edinburgh University-Professor of Presidency College (1889)- first to prepare Mercurous Nitrite in laboratory (1896)- established Bengal Chemicals (1901)-joined Science College as Palit Professor- death: 1944

Acharya Prafulla Chandra Roy

Acharya Prafulla Chandra Roy was a great Indian scientist, born on 2nd August 1861 in Khulna, now in Bangladesh. A brilliant student from childhood, he studied at Hare School and passed F.A. from Metropolitan College in 1882. He won the Gilchrist Scholarship and completed B.Sc. and D.Sc. from Edinburgh University.

In 1889, he became a Chemistry professor at Presidency College. In 1896, he prepared Mercurous Nitrite in the lab and later founded Bengal Chemicals. He lived a simple life, was kind to students, and remained a bachelor. He joined Science College as Palit Professor and passed away on 16th July 1944. His contributions to science are remembered with great respect.

Activity-13

You have come to know that the local postman has delivered your letter to your neighbour’s house by mistake. Write a letter to the post office with a request to return the letter to you.

To
The Postmaster
Memari Post Office
Memari, Purba Bardhaman,

713146

Subject: Request to return misdelivered letter

Respected Sir/Madam,

I am writing to inform you that a letter meant for me has been mistakenly delivered to my neighbour’s house by the local postman. I kindly request you to take necessary steps to retrieve the letter and ensure it is returned to me at the earliest.

I hope such mistakes will be avoided in the future.

Thanking you,

Yours faithfully,
[Your Name]

A Beautiful Mind -by J.C. Bose Question Answer

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