CLASS VII BLOSSOM
ACTIVITY QUESTION SOLUTION
J.C. Bose : A Beautiful Mind Activity Question Answer Class 7 Lesson 9 wbbse | জে. সি. বোস : এ বিউটিফুল মাইন্ড অ্যাক্টিভিটি প্রশ্নোত্তর সপ্তম শ্রেণি ইংরেজি লেশন-৯
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জে. সি. বোস : এ বিউটিফুল মাইন্ড অ্যাক্টিভিটি প্রশ্নের সমাধান সপ্তম শ্রেণি ইংরেজি | J.C. Bose : A Beautiful Mind Activity Question Answer Class 7 Lesson 9 wbbse
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.
Ans : Hare School.
(b) Bose met Father Lafont at –
(i) Cambridge
(ii) London
(iii) St. Xavier’s College
Ans : 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 : University of London.
ACTIVITY 2
Fill in the chart with information from the text :
| Year | Event |
| J.C Bose was born | |
| 1869 | |
| Joined St.Xavier’s College | |
| 1884 | |
| Joined Presidency College | |
| Demonstration at Town Hall |
Ans.
| Year | Event |
| 1858 | J.C Bose was born |
| 1869 | Bose joined Here School |
| 1875 | Joined St.Xavier’s College |
| 1884 | He received Natural Science Tripos |
| 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 _________________________________
Ans. a Deputy Magistrate.
(b) _______________________________ was the leader of the Brahmo Samaj
Ans. Bhagwan Chandra Bose
(c) In his school days Bose’s playmates _________________________________
Ans. were a Muslim boy and the son of a fisherman.
(d) Bose went to England to _________________________________
Ans. study Natural Science.
ACTIVITY 4
Answer the following questions :
(a) Why did Jagadish Bose receive his early education in a Vernacular school ?
Ans : Because his father believed that one must know one’s mother tongue before learning any other language.
(b) What did Bose’s mother do 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 : Lafont was a Jesuit Father. He played a significant role in developing Bose’s interest in natural science.
(d) Why did Bose refuse to accept his salary ?
Ans : At Presidency College Mr. Bose was offered a lower salary than his European colleagues. This hurt his sense of self respect and national pride. So, Bose refused to accept his salary as a sign of protest.
ACTIVITY 5
Match the single words their expanded forms :
| Single word form | Expanded form |
| Astronomy | A place where books are kept (2) |
| Library | A garden of many fruit trees (5) |
| Garage | A person who handles cash (6) |
| Psychology | Study of stars and planets (1) |
| Orchard | Study of human mind (4) |
| Cashier | A place to keep cars (3) |
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. [False]
S.S : Bose had invented several sensitive instruments. One of them is Crescograph.
(b) Marconi got the patency right for wireless telegraphy. [True]
S.S : It was the Italian Science Marconi got the patency right for the invention of wireless telegraph.
(c) Bose was awarded Knighthood in 1919. [False]
S.S : Bose was awarded Knighthood by the British government in 1917.
(d) No other Bengali writer had written science fiction before J.C. Bose. [True]
S.S : In fact, he was the first writer of science fiction in Bangla.
ACTIVITY 7
Complete the statements :
(a) Crescograph is used to __________________________________
Ans. measure the growth rate of plants.
(b) Bose proved that plants are __________________________________
Ans. sensitive to heat, cold, light, noise and other external stimuli, just like human beings.
(c) In 1917 Bose founded __________________________________
Ans. the ‘Bose Institute’ at his own house in Calcutta.
(d) Bose Institute was founded in __________________________________
Ans. November, 1917 at his own house in Calcutta.
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 Bose was the 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 Bose proved that plants behave in the same manner as human beings. They are sensitive to external stimuli also.
(c) Do you think Bose was uninterested in securing patency right ? Why ?
Ans : Yes, Bose was uninterested in securing patency right. He was uninterested because he wanted to allow others to advance further along the lines of his research.
(d) What were the various awards and honours conferred on Bose ?
Ans : Bose was awarded knighthood by the British in 1917. He was also conferred many other awards like ‘Fellow of the Royal society’, ‘Companion of the order of the Indian Empire’ etc.
(e) Name some of his books and publications.
Ans : Some of his books and publications are ‘Response in living and Non-living’ , (1902), ‘The Nervous Mechanism of plants’ (1926), ‘Major Mechanism of plants’ (1928), ‘Niruddesher khoje’ (1896) .
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.
Ans.
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.
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 |
| indicates how often something happens | |
| indicates why the action is performed | |
| indicates how or in what manner the action is performed | |
| used to ask a question |
Ans.
| Adverb | Function |
| There | Indicates the place where the action happens |
| Never, often, daily, now | indicates how often something happens |
| Therefore, because, So | indicates why the action is performed |
| Seriously, rudely, really, bravely, rudely | 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 : Animals are not more sensitive than Plants.
Or,
Plants are neither more nor less 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 : Umesh Yadav is faster than any other bowler in the Indian cricket team.
Or,
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 the tallest Indian cricketers.
(e) Mt. Everest is the highest mountain in the world. [change into positive degree]
Ans : No other mountain in the 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 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
Ans :
Acharya Prafulla Chandra Roy
The great scientist Acharya Prafulla Chandra Roy was born in 1861 at Khulna which is now in Bangladesh. His early education started at village pathsala. Then he went to Hare school and then to Albert school. He passed Entrance Examination in 1879. In 1882, he passed F.A from Metropoliton College. For his brilliant result, he won Gilchrist scholarship in 1882. Then he went to London. He did his B.Sc degree from Edinburgh University during the year 1882 to 1884 and did D.Sc from the same university. After returning Kolkata he became professor of Presidency College in 1889. In 1896 he made his great innovation. He prepared Mercurous Nitrite in laboratory. He established Bengal Chemicals in the year 1901. Later he joined Science College as Palit Professor. This great son of Bengal passed away in the year 1944.
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.
Ans :
The Post Master
Nabagram Head Post Office,
Nabagram, Murshidabad.
Sub : Request for delivery of letter at the correct address
Sir,
I am Sri Ram Kumar Roy, a permanent resident of Tarakeswar, which comes under your postal area. I am sorry to inform you that two days ago, the postman has delivered one of my letters at my neighbour’s house. I know it is just a mistake. As it is the official procedure, I request you to take necessary steps so that I can get my letter back. I hope you will give due importance to my appeal. I put my trust in your kind consideration and sense of responsibility.
Thanking You,
Yours faithfully,
Ram Kumar Roy
Vil+P.O- Nabagram.
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