Download CBSE Class 10 Science Question Papers
Review targeted exam resources with the CBSE Class 10 Science Question Paper 2019 Set 15 Solved. Built according to official CBSE standards for the 2026-27 academic year, these downloadable Class 10 Science question papers support effective revision and performance tracking.
Access CBSE Question Papers and Solutions
Navigate directly to the solved Science question papers using the digital viewer below. Each practice set includes detailed solutions, allowing students to instantly cross-check their work and identify areas requiring further revision.
CBSE Class 10 Science Question Paper Solved 2019 Set O. Students can download the last year board exams question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations.
SECTION A
1. If the potential difference across the two ends of a conductor is 5 V and the current through it is 0·2 A, then what is the resistance of the conductor ?
2. Write the major hazard of nuclear power generation.
SECTION B
3. Draw a labelled ray diagram to show the path of the reflected ray corresponding to the ray which is incident obliquely to the principal axis, towards the pole of a convex mirror. Mark the angle of incidence and angle of reflection on it.
4. What is the principle of an electric motor ? State the rule which is applied to determine the direction of force experienced by a current carrying conductor when kept in a magnetic field.
5. Name the acid present in ant sting and give its chemical formula. Also give the common method to get relief from the discomfort caused by the ant sting.
OR
A student prepared solutions of (i) an acid and (ii) a base in two separate beakers but forgot to label the solutions and litmus paper is not available in the laboratory. Since both the solutions are colourless, how will he distinguish between the two using (a) phenolphthalein and (b) methyl orange ?
SECTION C
6. What is a food chain ? Why is the flow of energy in an ecosystem unidirectional ? Explain briefly.
OR
(a) Why should National Parks be allowed to remain in their pristine form ?
(b) Why is reuse of materials better than recycling ?
7. What is a dam ? List two main advantages and two ill effects of constructing a big dam.
8. (a) Write two water conducting tissues present in plants. How does water enter continuously into the root xylem ?
(b) Explain why plants have low energy needs as compared to animals.
Please click the link below to download pdf file of CBSE Class 10 Science Question Paper Solved 2019 Set O.
Free study material for Science
CBSE Class 10 Science Question Paper 2019 Set 15 Solved & Previous Year Question Papers for Class 10 Science
Previous Year Question Papers: Class 10 Science
Access structured past examination sets for Class 10 Science. Solving the CBSE Class 10 Science Question Paper 2019 Set 15 Solved provided above helps students understand actual exam difficulty levels, question formats, and topic distributions for both descriptive and objective sections.
Boost Your Exam Score with Past Papers
Regular simulation of exam environments using past question documents builds crucial pacing abilities and eliminates last-minute test anxiety during Class 10 Science assessments.
Enhance Practice with Sample Papers & Solutions
Download digital copies of these papers for convenient offline revision anywhere. Cross-check your completed steps against our expert solution guides to ensure complete accuracy.
FAQs
The CBSE Class 10 Science Question Paper 2019 Set 15 Solved is available for download on StudiesToday.com. It includes complete set with all sections so that Class 10 students can practice with the exact same paper that came in the CBSE exams.
Yes, the solutions for CBSE Class 10 Science Question Paper 2019 Set 15 Solved are prepared by subject matter experts as per official marking scheme. Class 10 students will understand the structure of answers and 'step-marks' methodology Science.
Solving previous year papers like CBSE Class 10 Science Question Paper 2019 Set 15 Solved is important to understand repeat themes and question difficulty levels of Science. It helps Class 10 students to test their time management skills too.
Yes, where applicable, CBSE Class 10 Science Question Paper 2019 Set 15 Solved is available in both English and Hindi mediums. All students from Class 10 can access Science study material in their preferred language.
No, all previous year question papers on StudiesToday, including CBSE Class 10 Science Question Paper 2019 Set 15 Solved, are provided free of charge in mobile-friendly PDF.