CBSE Class 10 Science (086) Sample Question Paper 2024-25 with Marking Scheme / Solution - PDF Download
SCIENCE (Code 086) - SQP and Marking Scheme
(Session 2024-25)
Time allowed : 3 hours
Maximum Marks : 80
General Instructions :
1. All questions would be compulsory. However, an internal choice of approximately 33% would be provided. 50% marks are to be allotted to competency-based questions.
2. Section A would have 16 simple/complex MCQs and 04 Assertion-Reasoning type questions carrying 1 mark each.
3. Section B would have 6 Short Answer (SA) type questions carrying 02 marks each.
4. Section C would have 7 Short Answer (SA) type questions carrying 03 marks each.
5. Section D would have 3 Long Answer (LA) type questions carrying 05 marks each.
6. Section E would have 3 source based/case based/passage based/integrated units of assessment (04 marks each) with sub-parts of the values of 1/2/3 marks.
SECTION - A
Question 1 to 16 are multiple choice questions. Only one of the choices is correct. Select and write the correct choice as well as the answer to these questions.
1. Identify ‘p’, ‘q’ and ‘r’ in the following balanced reaction
p Pb (NO3)2(s) ------> q PbO(s) + r NO2(g) + O2(g)