Class 7 English Chapter 7 My Brother’s Great Invention Worksheet | Poorvi

Class 7 English Chapter 7 My Brother’s Great Invention Worksheet based on NCERT Poorvi. Practice comprehension, vocabulary, grammar, textbook-based and extra questions for CBSE Class 7 English.

Class 6 English Poorvi Unit 3 – My Brother’s Great Invention Worksheet

Name: Class:

Date: Marks:

About the Chapter

This worksheet is based on the story “My Brother’s Great Invention”. Anand is a young boy who loves inventions and experiments. He creates a burglar alarm and later tries to make a time machine. His curiosity, creativity and confidence lead to an exciting and mysterious adventure.

Section B – Fill in the Blanks

1. Anand thought he was a __________.

2. Anand created a __________ alarm.

3. The alarm made a __________ sound.

4. Anand wanted to make a __________ machine.

5. Boppa wore a __________ scarf.

6. Anand’s father eventually __________ the time machine.

Section C – True or False

1. Anand was interested in inventions.

2. Anand’s burglar alarm worked perfectly every time.

3. Papa got soaked when he opened the door softly.

4. Anand decided to make a time machine after watching Back to the Future.

5. Anita was completely uninterested in Anand’s inventions.

6. Boppa was found inside the house after the incident.

Section D – Answer in One or Two Sentences

1. What prompted Anand to create the burglar alarm?

2. How did Anand’s father become the target of the burglar alarm?

3. Why did Anand want to make a time machine?

4. Why did Papa not allow Anand to use the time machine?

5. How did Anand show presence of mind when Boppa entered the house?

6. Why did Mr Sharma not believe Anand’s story about the time machine?

Section E – Arrange the Events

Write the correct order of the following events.

1. Door swings open and Anita sees Boppa.

2. Boppa is nowhere to be found and the green scarf is near the machine.

3. Mrs Sharma, Mr Sharma and Dr Mohan help unlock the door.

4. Anita wakes Anand and says someone is trying to get in.

5. Anand misleads Boppa into entering the room with the time machine.

Correct order:
_____ → _____ → _____ → _____ → _____

Section F – Vocabulary

Word	Meaning
racket	________________________________
scowling	________________________________
tinkering	________________________________
stealthily	________________________________
sceptical	________________________________
frantic	________________________________
crestfallen	________________________________
groggily	________________________________
muffled	________________________________
dismantled	________________________________

Section G – Match the Words with Their Meanings

Word	Meaning
1. clanging	A. taken apart
2. peering	B. looking carefully
3. hastily	C. quickly
4. dismantled	D. loud ringing sound
5. intruders	E. people entering without permission

Answers: 1. _____ 2. _____ 3. _____ 4. _____ 5. _____

Section H – Cause and Effect

Cause	Effect
Anand rigged the burglar alarm to work when the door opened softly.	________________________________________
They watched Back to the Future.	________________________________________
Papa firmly said NO to trying the time machine.	________________________________________
Anand activated the time machine when his parents were away.	________________________________________

Section I – Character Traits

Choose suitable traits for Anand and Anita.

Character	Trait	Evidence from the story
Anand	________________	He keeps creating inventions.
Anand	________________	He believes his inventions will work.
Anand	________________	His inventions often get on Papa’s nerves.
Anita	________________	She wants to understand how the alarm works.
Anita	________________	She helps look after herself and Anand.
Anita	________________	She notices things and tells Anand what to do.

Section J – Onomatopoeic Words

Onomatopoeic words are words that imitate or suggest the sound they describe.

Match the sound word with its meaning.

Sound Word	Meaning
1. Crash	A. Continuous low sound
2. Humming	B. Sudden loud sound
3. Hissed	C. Whispered angrily
4. Clattering	D. Continuous loud noise

Answers: 1. _____ 2. _____ 3. _____ 4. _____

Section K – Binomials

Match the words to form common binomial expressions.

Column A	Column B
1. safe	A. break
2. odds	B. cons
3. make	C. never
4. pros	D. take
5. now	E. sound
6. give	F. ends

Answers: 1. _____ 2. _____ 3. _____ 4. _____ 5. _____ 6. _____

Complete the sentences.

1. Arrive home __________.

2. We must consider the __________ before making a decision.

3. It was a __________ situation for the team.

4. The box contained many __________.

5. Success requires a balance of __________.

6. This is our last chance. It is __________.

Section L – Idioms

Word Bank:
leaving the coast clear | get on our nerves | fell over ourselves | frighten me half to death | get a shelling

1. Shekhar knew he would __________ for breaking the vase.

2. We __________ trying to help the injured dog.

3. Faizy distracted Kanchan, __________ for us to get inside.

4. Power fluctuations can __________.

5. A loud noise at night can __________.

Section M – Simple Past and Past Perfect

1. Fill in the blanks with the correct form of the verbs.

(i) After Rohan __________ (finish) his homework, he __________ (decide) to go for a walk. He __________ (leave) the house and __________ (realise) that he __________ (forget) his keys.

(ii) By the time we __________ (reach) the station, the train __________ (already/leave). We __________ (wait) for the next train.

2. Combine the sentences using the Past Perfect where needed.

(i) Rohan packed his suitcase. He left the airport.

(ii) We started work. He arrived in the morning.

(iii) They set up tents. Others brought food and medicine.

(iv) Students became quiet. They heard the teacher coming.

(v) Villagers left the village. The flood submerged the area.

Section N – Reading Comprehension

Read the chapter carefully and answer the following questions.

1. Who was Anita?

2. How old was Anand in relation to Anita?

3. Why did Anita sometimes find Anand bothersome?

4. What was special about Anand’s room?

5. What happened when the time machine was activated?

6. What clue was left behind after Boppa disappeared?

7. What did Anand start working on after the time-machine incident?

Section O – Think and Answer

1. Do you think Anand was able to keep his promise regarding the time machine? Why?

2. Compare Anita and Anand’s personalities.

3. What does the story teach us about curiosity and creativity?

4. Do you think inventions can sometimes be risky? Give a reason.

Section P – Vocabulary in Context

Choose the correct word.

1. Anand was __________ with electrical gadgets.
a) tinkering b) sleeping c) shouting

2. The thief entered the house __________.
a) noisily b) stealthily c) happily

3. Mr Sharma was __________ about the time machine.
a) sceptical b) excited c) certain

4. The room was full of wires, springs, levers and __________.
a) bulbs b) flowers c) books

Section Q – Writing

Choose one vocation and write a short paragraph about it.

You may choose:

Electrician
Mechanic
Chef
Nurse
Graphic Designer
Scientist
Teacher

Include:

Why you like this vocation
What training is needed
What tools and equipment are required
Who your co-workers would be
Why teamwork is important
How you would deal with customers
How you would pursue it with pride

Section R – Creativity Challenge

Imagine you are an inventor.

Design a useful invention for your school.

Name of my invention:

What problem does it solve?

How does it work?

Draw your invention below:

Answer Key

Section A

1. Tinkering with gadgets
2. There were recent thefts in the colony.
3. He got soaked with water.
4. Back to the Future
5. A thief
6. He disappeared mysteriously.

Section B

1. scientist
2. burglar
3. clanging
4. time
5. green
6. dismantled

Section C

1. True
2. False
3. True
4. True
5. False
6. False

Section E

4 → 1 → 5 → 3 → 2

Section G

1. D
2. B
3. C
4. A
5. E

Section J

1. B
2. A
3. C
4. D

Section K

1. E – safe and sound
2. F – odds and ends
3. A – make or break
4. B – pros and cons
5. C – now or never
6. D – give and take

Section L

1. get a shelling
2. fell over ourselves
3. leaving the coast clear
4. get on our nerves
5. frighten me half to death

Section M

1.
(i) had finished, decided, left, realised, had forgotten

(ii) reached, had already left, waited

2. Sample answers:
(i) Rohan had packed his suitcase before he left the airport.
(ii) We had started work before he arrived in the morning.
(iii) They had set up tents before the others brought food and medicine.
(iv) The students had become quiet before they heard the teacher coming.
(v) The villagers had left the village before the flood submerged the area.

Section P

1. tinkering
2. stealthily
3. sceptical
4. bulbs

Short Answer Hints

1. Recent thefts in the colony prompted Anand to make the burglar alarm.

2. Papa opened the door softly, which activated the alarm and caused the water bag to fall on him.

3. Anand became interested in time travel after watching Back to the Future.

4. Papa thought the time machine was unsafe and did not want Anand to use it.

5. Anand used his presence of mind and misled Boppa towards the room containing the time machine.

6. Mr Sharma thought Anand had imagined the incident because he did not believe that a time machine could work.

7. Anand later started a project to contact creatures in outer space.

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