NCERT Solutions Poorvi Chapter 3 (Onomatopoeia)My Brother's Great Invention — Let us learn

Book page 101 Updated on2026-09-05

Q1.
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. 1. Read the sound words used in the story in Column 1. Complete Column 2 by matching expressions from the box given below (whispered angrily / constant and loud construction noises / sudden loud sound of breaking / a continuous low and soothing sound). An example has been done for you.
Answer
Column 1Column 2Where it appears in the story
(i) Crashsudden loud sound of breaking (given)'All of a sudden there was a crash followed by a loud scream.'
(ii) Humminga continuous low and soothing sound'a low, humming sound'; 'The time machine was still humming softly.'
(iii) Hissedwhispered angrily'"Your burglar alarm," I hissed to my brother Anand.'
(iv) Hammering, sawing, clatteringconstant and loud construction noises'You can't imagine the noise that was going on—hammering and sawing and clattering.'
Why it happens: An onomatopoeic word imitates the sound it names, so you can hear the meaning inside the word itself. Say them aloud: crash ends in a hard burst, hum can be held on one breath, hiss is all sibilant /s/, and clatter keeps repeating a hard /t/. That is why Anita chooses them — the reader hears the house instead of merely being told about it.
Try This: Find five more sound words in the story — roared, clanging, racket, rattle, click, thumps, whine, howl, squeak, groggily — and write a sentence of your own with any three, for example: The rattle of the tin roof and the whine of the wind kept me awake all night.
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