Electricity: Circuits and their Components MCQ: Class 7 Science Chapter 3

Boost your CBSE exam preparation with our Class 7 Science Chapter 3 – Electricity: Circuits and their Components MCQ Test. This free online quiz is designed from NCERT textbooks, CBSE syllabus, educational videos, and Vidyalite’s Flashcards to help you strengthen concepts and improve retention.

Attempt Electricity: Circuits and their Components MCQ

Time: 10 Minutes for 10 Question.

7th Science: Electricity: Circuits and their Components

1 / 10

1. Why are electrical wires covered with plastic or rubber?

To make wires heavy

To reduce cost

For decoration

For insulation

2 / 10

2. What glows inside an incandescent lamp when current passes?

Glass bulb

Thick support wire

Filament

Base metal

3 / 10

3. What type of materials prevent the flow of electric current?

Conductors

Semi-conductors

Insulators

Metals

4 / 10

4. An LED will glow only if:

Connected in any direction

Positive terminal of LED connects to positive of battery

Connected in parallel

Connected without a battery

5 / 10

5. What is the positive terminal of an electric cell marked with?

Minus sign

Plus sign

Arrow symbol

Letter P

6 / 10

6. Which type of electricity is supplied by batteries?

AC (Alternating Current)

DC (Direct Current)

Both AC and DC

Static electricity

7 / 10

7. Which materials are good conductors of electricity?

Wood, plastic, rubber

Glass, cork, paper

Copper, silver, aluminium

Wool, cotton, wax

8 / 10

8. In a battery, how are cells connected?

Positive to positive

Positive to negative

Negative to negative

Randomly

9 / 10

9. What type of energy source is used in Bhakra Nangal Dam to generate electricity?

Solar energy

Wind energy

Water energy

Coal energy

10 / 10

10. What device is used to open or close an electrical circuit?

Lamp

Switch

Battery

Conductor

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You’ll get 10 multiple-choice questions to answer within 10 minutes, perfect for self-study, revision, and knowledge check. The quiz is completely free with no registration required, and results are provided instantly — though correct answers are not shown, encouraging you to think critically and revisit your notes. For a bigger challenge, take part in our Monthly Quiz Challenge to earn your digital self-assessment certificate.

FAQ’s Electricity: Circuits and their Components MCQ

Q1. How should I prepare for Class 7 Science Chapter 3 – Electricity: Circuits and their Components MCQ test?

To prepare effectively for the Class 7 Science Chapter 3 – Electricity: Circuits and their Components MCQ test, begin with a careful reading of the NCERT Class 7 Science textbook, focusing on definitions, symbols of electrical components, circuit diagrams, and the working of series and parallel circuits. Practice CBSE sample questions, revise with Vidyalite’s Flashcards, and watch educational videos to understand the flow of electric current, safety precautions, and real-life applications. Regularly attempting chapter-wise quizzes will boost your accuracy, speed, and conceptual clarity.

Q2. Is the Class 7 Science Chapter 3 – Electricity: Circuits and their Components MCQ quiz suitable for CBSE exam preparation?

Yes, this free online MCQ quiz is created according to the NCERT Class 7 Science syllabus and matches the CBSE exam pattern. It tests students’ understanding of circuit concepts, electrical components, current flow, and safety rules, helping them prepare for school exams, Olympiads, and competitive assessments. The quiz encourages concept application rather than rote memorization, improving exam readiness.

Q3. How many questions are included in the Class 7 Science Chapter 3 – Electricity: Circuits and their Components MCQ test?

The quiz contains 10 important multiple-choice questions from NCERT Class 7 Science Chapter 3 – Electricity: Circuits and their Components. Students have 10 minutes to attempt the test, which helps them practice time management under exam-like conditions. Results are shown instantly but correct answers remain hidden to promote critical thinking, independent learning, and long-term retention of concepts.

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