Reviewing the Poorvi Book Class 7 Solutions Unit 3 Dreams and Discoveries Chapter 7 My Brother’s Great Invention Questions and Answers before exams can boost your confidence.
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
Let us discuss (NCERT PAGE 94-95)
I. Complete the cause-and-effect table given below.
Answer:
II. Do you think Anand was able to keep his promise regarding the time machine? If yes, why? If no, why not?
Answer:
No, Anand was not able to keep his promise. Although he agreed not to test the time machine while their parents were away. He ended up using it during an emergency when a burglar broke into the house. The situation forced the machine into action, and the events that followed were beyond their control.
Let us discuss (NCERT 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 Anad 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:
4, 1, 5, 3, 2
Let us think and reflect (NCERT PAGE 99-101)
I. Read the extracts given below and answer the questions that follow.
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, tools, 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
(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:
(b) creative and experimental
(iv) Based on the extract, compare what Anita thinks of her brother Anand with what he thinks of himself.
Answer:
Anita finds Anand bothersome and careless, as his inventions oiten cause trouble. Anand, however, sees himself as a brilliant young scientist and takes pride in all his imaginative projects.
2. 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:
he had misled the burglar into his own room, risking their safety.
(ii) Which action of Anand shows his presence of mind?
Answer:
Anand quickly diverted the burglar into his own room to buy time and prevent harm to the rest of the house.
(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 and E – tense and suspenseful
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 examples has been done for you.
Answer:
Anand
2. creative
3. confident
Anita
1. responsible
2. careful
3. curious
Answer the following questions.
Question 1.
What prompted Anand to create the burglar alarm?
Answer:
Anand felt a burglar alarm was necessary to protect the house as there was a series of thefts in the colony.
Question 2.
How did Anand’s father become the target of the burglar alarm?
Answer:
Anand’s father became the target of the burglar alarm as the alarm was set to go off when someone opened the door softly. He opened the door gently. and got soaked by the water bag trap.
Question 3.
How did Anand’s parents and sister react to his ideas?
Answer:
Papa was often angry and skeptical, Ma was patient but cautious and Anita tried to stay out of trouble though she remained curious.
Question 4.
How did Anand behave during his ‘inventing binges’?
Answer:
During his ‘inventing binges’ Anand became completely absorbed into his work. He ignored grooming, took over the house with his tools and refused to let anyone enter his room.
Question 5.
Why did Mr. Sharma not believe Anand when he spoke about his time machine?
Answer:
Mr. Sharma did not believe Anand when he spoke about his time machine, found Anand’s story unbelievable and assumed the burglar must have escaped, dismissing the machine as imagination.
Question 6.
Give an ending to the story explaining what might have happened to Boppa.
Answer:
Boppa may have escaped quickly through an open backdoor while the neighbours were arriving. However, Anand still believes the machine worked, keeping the mystery alive.
Let us learn (NCERT PAGE 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-tock’ of a clock are all examples of onomatopoeia.
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.
whispered angrily
constant and loud construction noises
sudden loud sound of breaking
a continuous low and soothing sound
Answer:
(ii) a continuous low and soothing sound
(iii) whispered angrily
(iv) constant and loud construction noises
II. Read the highlighted phrase in the following sentence from the text.
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.
1. Match the words in Column 1 with the correct pairs in Column 2 to make binomials.
Answer:
(i) safe and sound
(ii) odds and ends
(iii) make or break
(iv) pros and cons
(v) now or never
(vi) give and take
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 the ______ carefully.
(vi) This is our final chance to perform on stage, it is ______
Answer:
(i) make or break
(ii) safe and sound
(iii) give and take
(iv) odds and ends
(v) pros and cons
(vi) now or never
3. Complete the paragraph by using the phrasal verbs given in the box below.
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 bonfire. 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
(ii) rigged up
(iii) tripped off
(iv) let up
(v) turned out
III. Read the highlighted expressions in the following sentence from the text.
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 the literal meaning of the 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 flower vase.
Answer: get a shelling
2. We ______ trying to help the injured dog and get it to the vet as quickly as possible.
Answer: fell over ourselves
3. Faizy distracted Kanchan, ______ for us to get inside the room to prepare the birthday surprise.
Answer: leaving the coast clear
4. The constant power fluctuations during meetings can ______.
Answer: get on our nerves
5. When I am alone at home, any unexpected loud noise in the night can ______ .
Answer: frighten me half to death
IV. Read the highlighted words in the given sentence.
It was indeed the fellow who had recently begun sweeping out the compounds in our row of houses.
Here we refer to two complete actions-the recent past (new action) and the later past (old action).
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.
Answer:
Past perfect: had rushed
Simple past: found, was standing, scowling
(ii) Anand had vanished by this time and reappeared only after dinner when Papa had cooled down.
Answer:
Past perfect: had vanished, had cooled
Simple past: reappeared
2. Fill in the blanks with the simple past or past perfect form of the verbs given in brackets.
(i) After Rohan A. ______ (finish) his homework, he B. ______ (decide) to go for a walk. He C. ______ (leave) the house and D. ______ (realise) he E. ______ (forget) his keys inside.
Answer:
A. had finished
B. decided
C. left
D. realised
E. forgot.
(ii) By the time we A. ______ (reach) the station, the train B . ______ (already/leave). We C. ______ (wait) for the next one to arrive.
Answer:
A. reached
B. had already left
C. waited
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:
(i) Rohan had packed his suitcase before he left for the airport.
(ii) We had started work when he arrived in the morning.
(iii) They had set up the tents before 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.
Let us write (NCERT PAGE 106-107)
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 co-workers be
highlight the importance of teamwork
how you would deal with the customers
how you plan to pursue it with a sense of pride
Answer:
Topic: I Want to Become an Astronomer
I want to become an astronomer because I am fascinated by stars, planets and the mysteries of space.
Astronomers study the universe, track celestial events, and even help in discovering new planets. To pursue this vocation, I will need strong knowledge in Physics and Mathematics and will study space science in university. Tools like telescopes, space simulation software and satellite data are used in this field. Astronomers often work with scientists and engineers, so teamwork is important. I will listen carefully to people’s questions and try to explain space facts clearly. I hope to explore the universe and contribute to exciting discoveries with pride.
Let us explore (NCERT PAGE 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 for 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.
Answer:
Gopalaswamy Doraiswamy Naidu – The Edison of India
G.D. Naidu, often called the Edison of India, was a remarkable Indian inventor and industrialist from Tamil Nadu. He invented machines for a variety of industries, including agriculture, printing and transport. One of his most popular innovations was India’s first electric motor in the 1930s. Despite limited resources, he built new devices that improved everyday life. G.D. Naidu believed in using science to help people and was passionate about education and innovation. His life reminds us that with creativity and determination, we can build a better world.