J.C. Bose: A Beautiful Mind by | Class 7 | lesson 9 | Activity Questions Answers | WBBSE
West Bengal State Board Book Class 7 English full Book Solution
J.C Bose: A Beautiful Mind Activity 1
Choose
the correct answer from the given option:
(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.S.c From – (i) University of Cambridge (ii) University of
oxford (iii) University of London
Ans:-
(a) (ii) Hare school
(b) (iii) St. Xavier’s College
(c) (iii) University of London
J.C. Bose: A Beautiful Mind Activity 2
Fill in the chart with
information from the text :
| Year | Event |
|---|---|
| 1869 | J.C. Bose was born |
| 1884 | Received National Science Tripos from the University of Cambridge |
| 1885 | Joined St. Xavier’s College, Joined Presidency College |
| 1895 | Demonstration at Town Hall |
Ans:-
1885 – J.C. Bose was born
1869 – J.C. Bose St.
Xavier’s College
1884 – Received National
Science Tripos from the University OF Cambridge
1885 – Joined Presidency
College
1895 – Demonstration at
Town Hall
J.C. Bose: A Beautiful Mind Activity 3
Complete
the following statements with information from the text:
(a)
Bose’s father used to work as _________________________________
(b)
____________________________________ was the leader of the Brahmo Samaj
(c)
In his school days Bose’s playmates were _______________________________
(d)
Bose went to England to ____________________________________________
Ans:-
(a) Deputy Magistrate.
(b) Jagadish Chandra’s father, Bhagwan Chandra Bose
(c) a Muslim boy and the son of a fisherman
(d) study Natural science.
J.C. Bose: A Beautiful Mind Activity
4
(a)
Why did Jagadish Bose receive his early education in a Vernacular
Ans:-
Because his father believed that one must know one’s mother
tongue before learning any other language.
(b)
What did Bose’s mother when he brought his friends home from school ?
Ans:-
When Bose brought his friend home from school, his mother
welcomed and fed all of them with discrimination.
(c)
Who was Lafont? How did he influence Bose ?
Ans:-
Eugene Lafront wqas a
Jesuit father.
At St. Xavier College
father Lafont played a singnificant At St.. Xavier College Ftaher
Lafont played a significant role in developing Chandra ‘s interest in natural
science.
(d) Why did Bose refuse to
accept his salary ?
Ans:-
At Presidency College Mr.
Bose was offered lower salary than his European colleagues. This hurt his sense
of self respect and national pride. So, in protest of his injustice, Bose
refused to accept his salary.
J.C. Bose: A Beautiful Mind Activity 5
Match the single words their
expended 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 |
Ans:-
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
J.C. Bose: A Beautiful Mind Activity
6
Identity
which of the following statements are True and which are False. Give a
supporting statements for your answer:
(a)
Crescograph was invented by Marconi.
Ans:-
(a) False
Bose had invented several sensitive instruments. One of them is
Crescograph.
(b)
Marconi got the patency right for wireless telegraphy.
Ans:-
True
It was the Italian Science Marconi got the patency right for
invention of wireless telegraph.
(c)
Bose was awarded Knighthood in 1919.
Ans:-
False
Bose was awarded Knighthood by British government in 1917.
(d)
No other Bengali writer had written science fiction before J.C. Bose.
Ans:-
True
He was the first writer of science friction in Bangla.
J.C. Bose: A Beautiful Mind Activity
7
Complete
the statements :
(a) Crescograph is used to __________________________
(b) Bose proved that plants are ______________________
(c) In 1917 Bose founded ___________________________
(d) Bose institute was founded in _____________________
Ans:-
(a) measure the growth rate plant.
(b) sensitive to heat, light noise and other external stimuli
just stimuli like humans.
(c) the ‘Bose Institute.’
(d) Calcutta at his own house.
J.C. Bose: A Beautiful Mind Activity
8
Answer
the following questions:
(a)
‘Bose had invented several sensitive instrument’. Name a ‘sensitive instrument’
invented by J.C. Bose. What is its use?
Ans:-
Crescograph is a sensitive instrument invented by Bose. It is
used to measure the growth rate of plants.
(b)
What did Bose prove by his experiments on plants?
Ans:-
Bose proved that plants are sensitive to heat, cold, light,
noise and other external stimuli, just like humans.
(c)
Do you think Bose prove by his experiments on plants?
Ans:-
Yes, I do. Because Bose made his inventions public in order to
allow others to advance further the lines of his research.
(d)
What were the various awards and honours conferred on Bose ?
Ans:-
Bose was awarded knighthood by British in 1917. He was also
conferred awards like ‘Fellow was of Royal society’, ‘Companion of the order of
the Indian Empire etc.
(e)
Name some of his books and publications.
Ans:-
Some of Bose’s famous are ‘ Respose in living and Non-living’ ,
(1902), ‘The Nervous Mechanism of plants’ (1926), ‘Major Mechanisn of plants’ ,
1928, ‘Niruddesher khoje; , (1896).
J.C. Bose: A Beautiful Mind Activity 9
Read the following passage and underline the adverb. 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 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 challenges of life bravely.
J.C. Bose: A Beautiful Mind 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, often, daily, now | Indicates how often something happens |
| Therefore, because | Indicates why the action is performed |
| Seriously, really, bravely, rudely | Indicates how or in what manner the action is performed |
| Why, When, How, Who | Used to ask a question |
J.C. Bose: A Beautiful Mind Activity 11
Transform the degree of adjectives of the following
sentences as directed:
(a) Plants
are as sensitive as animals. [change
into comparative degree]
Answer: Animals are
not more sensitive than Plants.
b) Simla is
cooler than Kolkata. [change
into positive degree]
Answer: Kolkata is
not as cool as Simla.
(c) Umesh
Yadav is the fastest bowler in the Indian cricket team.[change into comparative degree]
Answer: Umesh Yadav
is faster than any other bowler in the Indian cricket team.
(d) Ishant
Sharma is taller than any other Indian cricketer. [change into superlative degree]
Answer: Ishant
Sharma is the tallest Indian cricketer.
(e) Mt.
Everest is the highest mountain in the world. [change into positive degree]
Answer: No other
mountain in the world is as high as Mt. Everest.
J.C. Bose: A Beautiful Mind Activity 12
In this lesson you have read the biography of a great
Indian scientist. Now write a biography (in about 80 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, Albert
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
Answer:
Acharya
Prafulla Chandra Roy
India is the birthplace of many great people. They glorified
their country by their noble activities. Acharya Prafulla Chandra Roy was one
of the gems. He was a great scientist of that time. He came on 2nd August in
the year of 1861 at Khulna in Bangladesh.
He was a brilliant and a meritorious student from his early
childhood. He started his early education from village pathsala, Hare School,
Albert School, passed Entrance examination (1879). Then he studied in Hare
School in Kolkata. He passed F.A. from Metropolitan College (1882) and he was
awarded with Gilchrist Scholarship (1882). He went to London and took B.Sc.
from Edinburgh University (1882-84), D.Sc. Edinburgh University.
He was appointed as a professor of Chemistry at Presidency
College in Kolkata (1889). He had great affection for his students. He was first
invented to prepare Mercurous Nitrite in the laboratory (1896). He set up
Bengal Chemicals in Kolkata.
Besides being a scientist, he was a good person too. He lived
simply. He thought highly. He was sympathetic to his students. He lived the
life of a bachelor. He joined Science College as Palit Professor. This great
person passed away on 16th July in 1944. He left a large number of talented
students. He is no more but immortal to us for his contributions in the field
of science.
J.C. Bose: A Beautiful Mind Activity 13
You have come to know that the local postman has delivered
your letter to your neighbor’s house by mistake. Write a letter to the post
office with a request to return the letter to you.
Answer:
Tufanganj
June 21, 2022
To,
The Post
Master
Tufanganj
Post Office
Tufanganj
736159
Subject: Return
of the letter
Respected
Sir/Madam,
I
would like to draw your kind attention to the fact that the postman of our area
mistakenly delivered my letter to my neighbor’s house and they returned the
letter back to the office. It could be an important letter for me.
So,
I request you to take necessary steps to get me back my letter as soon as
possible.
Thank
you in advance.
Yours Faithfully
Adrija Bhakat