CBSE Class 10 Science Competency Based Questions

Practise original CBSE Class 10 Science competency based questions across all 13 chapters, with MCQs, assertion-reason, case studies, answers and worked solutions for Physics, Chemistry and Biology.

ChapterTopic

Question 1MCQ · Analyse · 1 mark

Magnetic Effects of Electric Current · Magnetic field lines

A compass near a straight current-carrying wire deflects. The current is reversed while the setup remains fixed. What happens to the wire’s magnetic field direction?

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Question 2MCQ · Analyse · 1 mark

Magnetic Effects of Electric Current · Fields of coils and solenoids

For the same solenoid and safe operating conditions, which change generally strengthens its magnetic field?

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Question 3MCQ · Analyse · 1 mark

Magnetic Effects of Electric Current · Force on a current-carrying conductor

A wire carrying current perpendicular to a magnetic field experiences a force. If only the current is reversed, what happens to the force direction?

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Question 4MCQ · Analyse · 1 mark

Magnetic Effects of Electric Current · Domestic electric circuits

Where should a suitable fuse be connected in a domestic appliance circuit?

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Chapter-wise Science competency questions

Open a chapter for all its questions, answers and worked solutions.

Chemical Reactions and Equations Acids, Bases and Salts Metals and Non-metals Carbon Compounds Life Processes Control and Coordination How do Organisms Reproduce?Heredity Light: Reflection and Refraction The Human Eye and the Colourful World Electricity Magnetic Effects of Electric Current Our Environment