NCERT Class 7 English Poorvi: Chapter 3 — My Brother's Great Invention
This chapter, "My Brother's Great Invention," from NCERT Class 7 English Poorvi, introduces Anita, a fourteen-year-old, and her younger brother Anand, who fancies himself a scientist. Anand's penchant for tinkering with electrical gadgets and creating 'inventions' often leads to trouble, as seen when he sets up a 'burglar alarm' that douses their father in water. The story highlights Anand's experimental nature and Anita's reluctant involvement in his schemes. The chapter begins with introductory activities prompting students to guess inventions like the number zero and yoga, and to consider the impact of inventions on the world. It also includes a word puzzle to identify qualities of an inventor, such as creativity and curiosity. The narrative sets the stage for Anand's latest 'invention' amidst a local spate of thefts, promising further exploration of his inventive, albeit chaotic, endeavors.
Quick info
| Board | CBSE / NCERT |
|---|---|
| Class | Class 7 |
| Subject | English |
| Book | Poorvi |
| Chapter | Chapter 3 — My Brother's Great Invention |
| Language | English |
| PDF type | NCERT Textbook |
| Session | CBSE 2026 |
| Reading time | 3 minutes |
| Word count | 479 |
Learning outcomes
- Identify qualities of an inventor.
- Understand the concept of an invention and its impact.
- Engage with vocabulary related to inventions and problem-solving.
- Discuss the importance of creativity and curiosity.
- Analyze character interactions and motivations.
Vocabulary
| Word | Meaning |
|---|---|
| racket | a loud and disturbing noise |
| sopping | soaking |
| scowling | having an angry or frowning expression |
| rigged up | assembled something temporarily |
| tinkering | experimenting or fiddling |
| dynamos | electric generator |
| hoo-ha | fuss or commotion |
| blueprint | a detailed plan or design |
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Practice questions
- What was Anand's latest 'invention' that caused a commotion? Answer: Anand's latest invention was a burglar alarm.
- Who is the narrator of the story? Answer: The narrator is Anita, Anand's older sister.
- What qualities of an inventor are mentioned in the word grid? Answer: The word grid mentions creativity, curiosity, and thinking.
- Why did Anand decide to build a burglar alarm? Answer: Anand decided to build a burglar alarm because there had been a rush of thefts in the colony.
Frequently asked questions
What is the main theme of the introductory activities in Chapter 1?
The introductory activities focus on identifying inventions (like the number zero and yoga) and discussing the qualities of inventors, such as creativity and curiosity.
Who are the main characters introduced in Chapter 1?
The main characters introduced are Anita, the narrator, and her younger brother Anand, who is portrayed as an aspiring scientist.
What incident triggers the start of the story?
The story begins with their father getting drenched by a 'burglar alarm' that Anand had rigged up.
What is Anand's hobby?
Anand's hobby is tinkering with electrical gadgets and tools to create 'inventions'.
Why is Anita hesitant about Anand's inventions?
Anita is hesitant because Anand's inventions often don't work as intended and cause trouble, and she warns him not to involve her if he gets into trouble.
What real-world problem inspired Anand's latest invention?
A recent rush of thefts in the colony inspired Anand to create a burglar alarm.
Related resources
Important topics
Topics covered
NCERT Class 7 English — Poorvi — Chapter 3 — My Brother's Great Invention. Verified by NCERT Help Editorial Team. Reviewed on 29 Jul 2026. Last updated 10 Aug 2026.