Students can use Poorvi Book Class 7 Solutions Unit 3 Dreams and Discoveries Chapter 7 My Brother’s Great Invention Questions and Answers as a quick reference guide.
My Brother’s Great Invention Class 7 Questions and Answers
My Brother’s Great Invention Class 7 Question Answer
NCERT Class 7 English Poorvi Chapter 7 My Brother’s Great Invention Question Answer
My Brother’s Great Invention Question Answer – Let us do these activities before we read (Page 91)
I. Work in pairs and guess the invention.
Question 1.
I am a concept invented by ancient Indian mathematiciAnswer: I add value to numbers. Without me, calculations in the modem digital world would be impossible. Who am I?
Answer:
The concept of zero.
Question 2.
I am an ancient Indian practice, now popular globally. I focus on physical and mental well-being. What am I?
Answer:
The practice of Yoga.
II. Dicuss in groups of four what you think the world today would have been like without inventions and discoveries.
Answer:
Do it yourself.
III. Fill the grid given below with missing letters to complete the words.
These words display qualities of an inventor

Answer:

My Brother’s Great Invention Class 7 Question Answer – Let us discuss (Pages 94-95)
I. Complete the cause-and-effect table given below:

Answer:
| Causes | Effects |
| 1. Anand set up his burglar alarm and rigged it to work when the door was opened softly. | It worked when Anand’s father softly opened the door, and the water fell on him. |
| 2. Anand’s father knew that Anand was the culprit. | Anita was able to avoid any responsibility as Anand faced the consequences alone. |
| 3. We watched the movie ‘Back to the Future. | Anand: “t shall make a time machine, too”. |
| 4. Papa firmly said ‘NO’ to trying out the time machine. | Anand half-heartedly agreed not to test his time machine until his father returned. |
II. Do you think Anand was able to keep his promise regarding the time machine? If yes, why? If no, why not?
Answer:
Yes, Anand was able to keep his promise regarding the time machine. The burglar, alarm had caused a great anger to Anand’s father. So, he strictly told Anand not to commit such pranks again.
Class 7 English My Brother’s Great Invention Question Answer – Let us discuss (Page 98)
Arrange the following events in the correct order of occurrence.
1. The door swings open, and they see Boppa. standing there with an evil grin.
2. Boppa is nowhere to be found, but his green scarf is lying near the time machine.
3. Mrs. Sharma, her husband, and Dr. Mohan unlock the door and enter the house to help the children.
4. Anita wakes Anand up, informing him that someone is trying to get into the house.
5. Anand misleads Boppa into entering his room instead of his father’s room.
Answer:
1. Anita wakes Anand up, informing him that someone is trying to get into the house.
2. The door swings open, and they see Boppa. standing there with an evil grin.
3. Anand misleads Boppa into entering his room instead of his father’s room.
4. Mrs. Sharma, her husband, and Dr. Mohan unlock the door and enter the house to help the children.
5. Boppa is nowhere to be found, but his green scarf is lying near the time machine.
My Brother’s Great Invention Class 7 Questions and Answers – Let us think and reflect (Pages 99-100)
I. Read the extracts given below and answer the questions that follow.
Question 1.
Before beginning this story, let me put you in the picture. I am Anita, fourteen years old. My brother Anand, one year younger than me, caused all that hoo-ha with his burglar alarm The trouble with him is that he thinks he is a scientist. He loves tinkering with all sorts of electrical gadgets, toois, dynamos, planks of wood, and things like that. And he keeps creating ‘inventions’ that never work out as they are supposed to.
(i) Complete the following sentence suitably by choosing the correct option from those given in the brackets.
When Anita says, “ let me put you in the picture”, she wants to ____________ (introduce/summarise) the situation for the benefit of the readers.
Answer:
introduce
(ii) Anand loves ‘tinkering’ with all sorts of electrical gadgets. This means that he enjoys gadgets.
(a) dismantling and creating
(b) labelling or naming
(c) repairing or improving
(d) collecting and displaying
Answer:
(a) dismantling and creating
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(iii) Which of the following options most suitably describes Anand’s personality?
(a) methodical and cautious
(b) creative and experimental
(c) energetic and hasty
(d) shy. and reserved
Answer:
(c) energetic and hasty
(iv) Based on the extract, compare what Anita thinks of her brother Anand with what he thinks of himself.
Answer:
Anand had a creative mind, but he was also reckless. He was not bothered by his actions. But Anita was a cautious girl. She always warned Anand not to indulge in dangerous acts.
I was about to direct him upstairs, when Anand said quickly, “The one next to this one. ”
“You silly goose!” I said angrily as soon as the man had gone.
“That’s your room. He’ll come back as mad as mad can be”.
“At least it will give us some time to think of something,” Anand said. “He’ll take a while to locate the light switch. Let’s shout.” All of a sudden there was a crash followed by a loud scream. More strange noises emerged from the next room—a few muffled thumps, an eerie whine, and a low, humming sound.
(i) Complete the sentence given below with a suitable reason.
Anita was angry with Anand because ____________.
Answer:
Anand’s inventions always caused harm to people in the house.
(ii) Which action of Anand shows his presence of mind?
Answer:
Anand showed presence of mind by directing the burglar to his room where the time machine was kept.
(iii) What might be the cause of the strange noises emerging from the next room?
(a) The intruder moving furniture around
(b) Anand’s time machine getting activated
(c) The intruder locating the light switch
(d) Anand’s invention malfunctioning.
Answer:
(b) Anand’s time machine getting activated.
(iv) Which of the following best describes the atmosphere in this extract?
A. relaxing
B. peaceful
C. tense
D. sad
E. suspenseful
F. joyful
(a) A, D and E
(b) B and F
(c) C and E
(d) Only D
Answer:
(c) C and E
II. Complete the table with the suitable traits of the characters based on evidence from the text. Choose the traits given in the box below, An example has been done for you.
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Answer:
| Character | Traits | Evidence from the Text |
| 1. bothersome | And this is not the first time he’s got on Papa’s nerves or frightened someone half to death in the house. | |
| Anand | 2. Creative | He loves tinkering with all sorts at electrical gadgets, tools, dynamos, planks of wood, and things like that. And he keeps creating ‘inventions’ that never work out as they are supposed to. |
| 3. Carefully | “Nothing will go wrong this time. I’ve planned it out carefully. See the blueprint. ” | |
| Anita | 1. Confident | “We’re old enough to look after ourselves, Ma .. .. ” |
| 2. Curious | “But how does the alarm know that a burglar is opening the door?” | |
| 3. Responsible | “Now clean up this mess before anyone gets home.” |
III. Answer the following questions. (Page 101)
Question 1.
What prompted Anand to create the burglar alarm?
Answer:
Recently, there had been a rush of thefts in the colony where Anand lived. This prompted Anand to make the burglar alarm.
Question 2.
How did Anand’s father become the target of the burglar alarm?
Answer:
Anand’s father had the habit of opening the door softly. The alarm was designed to operate when the door opened slowly. Thus he became the target of the alarm.
Question 3.
How did Anand’s parents and sister react to his ideas?
Answer:
Anand’s parents and sister always scolded him for his reckless acts that brought harm to others.
Question 4.
How did Anand behave when he was on his ‘inventing binges’?
Answer:
When Anand was on ‘an inventing binge’, he took apart the gadgets, and collected their parts.
Question 5.
Why did Mr. Sharma not believe Anand when he spoke about his time machine?
Answer:
Mr. Sharma felt Boppa would have run out of the house and escaped. So he did not believe Anand.
Question 6.
Give an ending to this story, explaining what might have happened to Boppa.
Answer:
Because of the commotion caused by Anand’s time machine, Boppa might have run out of the house and escaped.
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My Brother’s Great Invention Question Answer Class 7 – Let us learn (Pages 101-104)
I. Read the highlighted word in the following sentence.
It’s quite simple. The moment the door opens, this alarm is tripped off and makes a clanging sound. Such sound words are called onomatopoeic words.
Onomatopoeia is the use of words that imitate actual sounds of the thing they describe. The ‘boom’ of a firework exploding, the ’ding-dong’ of a bell, the ‘pitter-patter’ of rain drops, the ’tick-tack’ of a clock are all examples of onomatopoeia.
Question 1.
Read the sound words used in the story in Column 1. Complete Column 2 by matching expressions from the box given below. An example has been done for you.

Answer:
| Column 1 | Column 2 |
| (i) Crash | sudden loud sound of breaking |
| (ii) Humming | a continuous low and soothing sound |
| (iii) Hissed | whispered angrily |
| (iv) Hammering, sawing, clattering | constant and loud construction noises |
II. Read the highlighted phrase in the following sentence from the text. (Page 102)
Well, that was the end of peace and quiet in the house.
The highlighted phrase displays a combination of two words generally used together in a fixed order. Such phrases are called binomials.
Binomials are expressions consisting of two words, usually linked by a conjunction such as ‘and’ or ‘or’ that are commonly used together in a fixed order. The two words convey a single meaning or an opposite.
Question 1.
Match the words in Column 1 with the correct pairs in Column 2 to make binomials.
Question 2.
Complete the following sentences with suitable binomials from 1.
(i) This project will be a moment for our team’s success.
(ii) After a long journey, we were relieved to arrive home
(iii) Every friendship works well when there is a balance of
(iv) She organised all the ____________ in the cupboard, to make space for new’clothes.
(v) Before making a decision, it is important to weigh carefully.
(vi) This is our final chance to perform on stage, it is ____________
Answer:
(i) make or break
(ii) safe and sound
(iii) pros and cons
(iv) odds and ends
(v) pros and cons
(vi) now or never
Question 3.
Complete the paragraph by using the phrasal verbs given in the box below.
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It had been raining and we (i) ___________ time to set up for the function, so we quickly (ii) ___________ some decorations using whatever materials we had. We accidentally (iii) ___________ the fire alarm because of the smoke from the bonfie. Thankfully, the rain (iv) ___________ just as the guests were arriving, and despite all the chaos, the function (v) ___________ to be a huge success.
Answer:
(i) ran out of time
(ii) rigged up
(iii) tripped off
(iv) let up
(v) turned out
III. Read the highlighted expressions in the following sentence from the text. (Page 103) And this is not the first time he’s got on Papa’s nerves or frightened someone half to death in the house.
The highlighted expressions are called idioms.
An idiom is a phrase or expression that has a meaning different from literal meaning of that individual words. It is like a special saying that people understand in a specific way. For example, ‘It is raining cats and dogs’ means it’s raining very heavily.
Complete the following sentences by filling in the blanks with suitable idioms from the text given in the box below.

1. Shekhar knew he would _______________________ for breaking his mother’s favourite flwer vase.
2. We _______________________ trying to help the injured dog and get it to the vet as quickly as possible.
3. Faizy distracted Kanchan, _______________________ for us to get inside the room to prepare the birthday surprise.
4. The constant power flctuations during meetings can _______________________.
5. When I am alone at home, any unexpected loud noise in the night can _______________________.
Answer:
1. get a shelling
2. fell over our ourselves
3. leaving the coast clear
4. get on our nerves
5. frighten me half to death
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IV. Read the highlighted words in the given sentence. (Page 103)
It was indeed the fellow who had recently begun sweeping out the compounds in our row of houses.
Here we refer to two completed actions- the recent past (new action) and the later past (old action).
Question 1.
Underline the verbs in simple past and past perfect tense for the following sentences from the text.
(i) Ma had rushed in to see what the racket was all about and found Papa standing there, sopping wet and scowling.
(ii) Anand had vanished by this time and reappeared only after dinner when Papa had cooled down.
Answer:
(i) Ma had rushed in to see what the racket was all about and found Papa standing there, sopping wet and scowling.
(ii) Anand had vanished by this time and reappeared only’ after dinner when Papa had cooled down .
Question 2.
Fill in the blanks with the simple past or past perfect form of the verbs given in brackets.
(i) After Rohan A. __________ (fiish) his homework, he B. __________ (decide) to go for a walk. He C. __________ (leave) the house and D. __________ (realise) he E. __________ (forget) his keys inside.
(ii) By the time we A. __________ (reach) the station, the train B. __________ (already/leave). We C. __________ (wait) for the next one to arrive.
Answer:
(i) A. finished, B. decided, C. left, D. realized, E. forgot
(ii) A. reached, B. had already left, C. waited
Question 3.
Combine the pairs of sentences using the time expressions in the boxes given below and rewrite them using the past perfect tenses. An example has been done for you. Example: Rohan had packed his suitcase before he left for the airport.

Answer:
| Old Actions | Time Expressions | New Actions |
| (i) Rohan had packed his suitcase | before | he left for the airport. |
| (ii) We started work | after | he had arrived in the morning. |
| (iii) They had set up the tents | by the time | the others brought food and medicine. |
| (iv) The students had become quiet | when | they heard the teacher coming. |
| (v) The villagers had left the village | before | the flood submerged the entire area. |
Class 7 English Chapter 7 Question Answer – Let us listen (Page 105)
I. You will listen to a conversation between Anita and Toby. Toby is a Martian and is stranded on Earth. He has become Anita’s friend. As you listen, choose the true statements from 1-5 given below. (Refer to the NCERT textbook page-136 for transcript)
1. Toby misses his school.
2. Anita accepts Toby as her friend.
3. Anita asks Toby about one of his facial features.
4. Toby tells Anita that she had a banana for breakfast.
5. Toby shares that he can see much clearer with a closed eye.
Answer:
1. False
2. True
3. True
4. False
5. False
II. Listen to the conversation again and fill in the blanks with the exact words you hear.
1. Toby: I miss my _______ and home.
2. Toby: Well, we ____ don’t need to eat anything. We get our from the Sun.
3. Anita: Oh! Don’t you ever feel like having ice creams and ________?
4. Anita: Okay, tell me one thing. How are you able to see with only ______ eye?
5. Toby: I can see beyond mountains and ______ woods and even ______.
Answer:
1. people
2. Martians, energy
3. chocolates
4. one
5. clouds, metal
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NCERT Class 7 English Poorvi Chapter 7 Question Answer – Let us speak (Pages 105-106)
I. Read the following sentences from the text.
As usual, I had to be involved, though I’d have preferred to finish my novel.
“We’re old enough to look after ourselves, Ma, ” I said.
The word ’though’ is pronounced to rhyme with the word ’low’.
The word ’enough’ is pronounced to rhyme with the word ‘puff .
In English there are many words ending with -ough, which are pronounced very differently. Listen to the teacher say these words aloud and notice how they are pronounced.

Now, work in pairs. Pronounce these words out loud and put them in the correct boxes given below.

Answer:

II. Read the story given below aloud. Check the correct pronunciation with the teacher.
In spite of a nagging cough, the woman continued working in her farm, right through the rough weather. She filled up the trough with water for her cows and ploughed the fields to plant the seeds. She then plucked some raw mangoes from a low bough of a mango tree to make a spicy chutney. Though the day had been tough, she smiled peacefully as she had already prepared dough to make enough rotis for dinner.
Answer:
Do it yourself
III, Now try saying this tongue twister fast as many times as you can clearly.
The boy with the tough dough on the rose bough fell in the trough and caught a cough.
Answer:
Do it yourself
Class 7th English Chapter 7 My Brother’s Great Invention Question Answer – Let us write (Pages 106-107)
Think about different vocations that you see around or you are currently studying.
For example: electrician, mechanic, chef, nurse, graphic designer. You may add more vocations to the list given here. Now, choose a vocation and write a paragraph.

You may use the hints given below.
- why you like this vocation
- what training is needed
- what tools and equipment are required
- who would your coworkers be
- highlight the importance of team work
- how you would deal with the customers
- how you plan to pursue it with a sense of pride
Answer:
I would like to choose being a doctor as my vocation.
Doctor as a vocation
I would like to become a doctor because I love the role a doctor plays in society. If you are a doctor, you can serve society. It is a very noble profession. One has to study for 5 years in a medical college to get a medical degree. Apart from the study of books, you also have to do practical training to become a good doctor. You must have patience and sympathy to be a good doctor. You must treat your patients with kindness. A doctor’s job involves teamwork. He must have good relations with his fellow doctors and nurses who assist him. Every body respects a doctor in the society So, I would like to become a doctor.
My Brother’s Great Invention Class 7 NCERT Solutions – Let us explore (Pages 107-108)
Creativity is ‘thinking new things’; innovation is ‘doing new things’ and an invention is ‘bringing ideas or objects together in a novel way to create something that did not exist before’. All it takes is a simple idea.
Human beings are naturally very curious and creative, and this has led to many scientific and technological inventions. You must have heard about many famous inventions. Some of them are mentioned below. You may look or the names of more such Indian inventors and their inventions.
Sushruta (sixth century B.C.), was a pioneer figure in medical science. His innovations in surgery paved the way for modern surgery.

Dr. Janaki Ammal (Padma Shri) was a brilliant woman scientist of India who made a significant contribution to the field of cytogenetics.

Under the directorship of Dr. A.P.J. Abdul Kalam (Bharat Ratna), Indian Space Research Organisation (ISRO) launched the satellite Rohini in near-earth orbit with India’s first Satellite Launch Vehicle in 1980 (the project was named ‘SLV-III’.

Dr. Narinder Singh Kapany (Padma Vibhushan) is known as Father of Fibre Optics. He played a pivotal role in inventing fibre optics. He was named one of the seven ‘Unsung Heroes of the Twentieth Century’ for his invention.
