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

The Human Eye and the Colourful World · Defects of vision

A student sees a nearby book clearly but distant writing is blurred. Which defect and correcting lens are most consistent with this description?

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Question 2MCQ · Analyse · 1 mark

The Human Eye and the Colourful World · Dispersion of light

A narrow beam of white light passes through a glass prism and forms a spectrum. Which colour usually deviates the most?

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Question 3MCQ · Analyse · 1 mark

The Human Eye and the Colourful World · Human eye and accommodation

A normal eye changes focus from a distant tree to a nearby book. What usually happens to the eye lens?

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Question 4MCQ · Analyse · 1 mark

The Human Eye and the Colourful World · Scattering of light

One reason red is suitable for a distant warning light is that, compared with blue light, it is generally:

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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