Science Mock Test 1 – Free Online Practice…

🏆 Scholarship test ✓ Free Class 10 Science

About this test

This is CBSE Class 10 Science Mock Test 1, covering the complete board syllabus across Chemistry, Biology, and Physics. It's designed to give students a real feel of board-exam-style questions and help them spot exactly where their preparation is weak before the actual exam. Perfect for students starting their revision — set a timer, attempt it like a real paper, then check your answers. Teachers can also use this as a quick class test or homework assignment to track how well a topic has been understood. A great first step for anyone preparing for CBSE Class 10 Science board exams 2026.

39Questions

180Minutes

80Marks

What this test covers

Chemical reactions and equations
Acids, bases and salts
Metals and non-metals
Carbon and its compounds
Life processes (nutrition, respiration, transportation)
Control and coordination
Heredity and evolution
Light — reflection and refraction
Human eye and colourful world
Electricity and its effects

Questions students ask

What does the law of conservation of mass state in a chemical reaction?

Mass can neither be created nor destroyed in a chemical reaction — it only changes from one form to another.

In which part of a plant cell does photosynthesis take place?

In the chloroplast, where chlorophyll converts sunlight into chemical energy.

What is the main difference between metallic and non-metallic oxides?

Metallic oxides are basic in nature, while non-metallic oxides are acidic.

What is the key difference between a concave and a convex lens?

A concave lens diverges light rays, while a convex lens converges them to a point.

What did Mendel's experiments teach us about heredity?

That traits are passed from parents to offspring through combinations of dominant and recessive genes.

What is the SI unit of electric current, and which device measures it?

The SI unit is the Ampere, and it is measured using an ammeter.

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