Class 10 Science Solved Question Papers: CBSE Class 10 Science Question Paper 2019 Set 12 Solved
Access comprehensive previous year question papers for Class 10 Science using the CBSE Class 10 Science Question Paper 2019 Set 12 Solved. Designed to align with the 2026-27 CBSE academic guidelines, these solved papers help students assess their exam readiness and understand official marking schemes.
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CBSE Class 10 Science Question Paper Solved 2019 Set L. 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. Mention the condition under which a current can flow in a conductor.
2. List two merits of solar cells.
SECTION B
3. List four characteristics of the image formed by a convex lens of focal length 20 cm when the object is placed in front of it at a distance of 10 cm from its optical centre.
OR
Define refractive index of a transparent medium. The speed of light in a medium of absolute refractive index 1·5 is 2 ×108 ms–1. What is the speed of light in vacuum ?
4. It is established that an electric current through a conductor produces a magnetic field around it. Is there a similar magnetic field produced around a thin beam of moving (i) alpha particles, (ii) neutrons ? Justify your answer in each case.
5. ‘‘Conversion of ethanol to ethanoic acid is an oxidation reaction.’’ Justify this statement giving the relevant equation for the chemical reaction involved.
SECTION C
6. List three roles of forests in conserving the environment. How do the forests get depleted ? State two consequences of deforestation on the environment.
7. (a) Natural water bodies are not regularly cleaned whereas an aquarium needs regular cleaning. Why ?
(b) What are decomposers ? What will be the consequence if the decomposers are completely eradicated from an ecosystem ? Give justification in support of your answer.
OR
How is ozone formed in the upper atmosphere ? State its importance. What is responsible for its depletion ? Write one harmful effect of ozone depletion.
8. State right-hand thumb rule to determine the direction of magnetic field around a current carrying conductor. Apply this rule to find the direction of magnetic field inside and outside a circular loop of wire lying in the plane of a table and current is flowing through it clockwise.
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Download CBSE Class 10 Science Question Paper 2019 Set 12 Solved for Class 10 Science
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FAQs
The CBSE Class 10 Science Question Paper 2019 Set 12 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 12 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 12 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 12 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 12 Solved, are provided free of charge in mobile-friendly PDF.