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Practise Class 7 English Chapter 3 Dreams and Discoveries with 5 original NCERT-based MCQs, detailed explanations, vocabulary and grammar revision.
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Chapter Information
| Category | Details |
| Class | 7 |
| Subject | English |
| Book | NCERT Poorvi |
| Chapter | Unit 3 – Dreams and Discoveries |
| Focus Text | My Brother’s Great Invention |
| Practice Set | Set 2 of 10 |
| Difficulty Level | Moderate |
Introduction
This practice set focuses on the humorous story My Brother’s Great Invention. It encourages students to think about inventions, experimentation, problem-solving and the importance of learning from unexpected results.
What You Will Learn
- Understand the role of invention in the story.
- Identify qualities associated with creative thinkers.
- Practise vocabulary related to science and experimentation.
- Revise past-tense verbs.
Why This Text Is Important
The story combines humour with the idea of experimentation. It encourages readers to remain curious while recognising that inventions may not always work as expected.
Key Vocabulary
| Word | Meaning |
| Experiment | A test carried out to investigate an idea |
| Device | A piece of equipment made for a purpose |
| Inventor | A person who creates something new |
| Mechanism | The working arrangement of parts |
| Unexpected | Not anticipated or predicted |
5 MCQs with Answer Explanations
Q1. What quality is most important for someone who wants to invent something?
A. Curiosity and willingness to experiment
B. Refusal to ask questions
C. Avoiding every challenge
D. Ignoring observations
Answer: Curiosity and willingness to experiment
Answer Explanation: Inventors investigate problems, test ideas and observe results.
Q2. Why can an experiment be useful even when it fails?
A. It always proves the original idea correct
B. It provides information that can improve future attempts
C. It removes the need for learning
D. It guarantees immediate success
Answer: It provides information that can improve future attempts
Answer Explanation: An unsuccessful experiment can reveal what needs to be changed.
Q3. Which word means a piece of equipment designed for a particular purpose?
A. Device
B. Journey
C. Valley
D. Imagination
Answer: Device
Answer Explanation: A device is an object or piece of equipment designed to perform a function.
Q4. Which response shows a responsible attitude towards an invention that does not work?
A. Give up learning permanently
B. Blame everyone else
C. Examine the problem and improve the design
D. Hide all the results
Answer: Examine the problem and improve the design
Answer Explanation: Reviewing results and making improvements are important parts of problem-solving.
Q5. What is one benefit of humour in a story?
A. It can make events entertaining and memorable
B. It always removes the main idea
C. It prevents readers from understanding characters
D. It replaces the need for a plot
Answer: It can make events entertaining and memorable
Answer Explanation: Humour can engage readers while helping them remember events and character behaviour.
Grammar Focus – Simple Past Tense
The simple past tense describes completed actions in the past.
Examples:
- The student tested the device.
- The inventor examined the design.
- They discussed the results.
- She learned a new skill.
Practice Activities
- Describe a useful invention in five sentences.
- Write three regular and three irregular past-tense verbs.
- Explain why inventors test their ideas.
- Create an imaginary device and describe its purpose.
Quick English Challenge
Choose the correct past-tense sentence.
A. The inventor test the device yesterday.
B. The inventor tests the device yesterday.
C. The inventor tested the device yesterday.
D. The inventor testing the device yesterday.
Answer: The inventor tested the device yesterday.
Exam Tips
- Remember the sequence of events in a story.
- Distinguish characters’ actions from the story’s message.
- Revise regular and irregular verbs.
- Support comprehension answers with relevant ideas.
Quick Revision Notes
- Invention begins with an idea.
- Experiments help test ideas.
- Unexpected results can provide useful information.
- Humour can make a story engaging.
- The simple past describes completed actions.
Common English Mistakes
- Using present-tense verbs for completed past actions.
- Assuming every experiment must succeed.
- Confusing a device with the process of discovery.
- Ignoring the humorous elements of a narrative.
Key Takeaways
- Curiosity supports invention.
- Experimentation encourages learning.
- Problems can inspire improvements.
- Grammar accuracy strengthens writing.
FAQs
Q1. What is the focus of this set?
The themes of invention, experimentation and problem-solving.
Q2. Are the MCQs copied from the textbook?
No. They are newly written practice questions.
Q3. Which grammar topic is covered?
Simple past tense.
Q4. Is this set suitable for revision?
Yes. It provides supplementary practice for the story’s main themes.
Conclusion
develops students’ understanding of creative thinking and experimentation. Revise the vocabulary and past-tense examples before moving to the next set.
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