CBSE Class 10 Science Sample Paper SA2 2015

CBSE Class 10 Science Sample Paper SA2 2015. CBSE issues sample papers every year for students for class 10 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 10 board exams this year. The sample papers have been provided with marking scheme. It’s always recommended to practice as many CBSE sample papers as possible before the board examinations. Sample papers should be always practiced in examination condition at home or school and the student should show the answers to teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers. 


1. Write the atomic number of any two of the following elements. 

(a) Ar (b) Si (c) Ca (d) Al

2. Name any two bacterial sexually transmitted diseases. 

3. Write any one example of biotic and abiotic component of our ecosystem. 

4. Consider a geographical area containing organisms like snake, grasshopper, peacock, grass and frog. Pesticides are sprayed to kill insects in this area. Which organism will contain the maximum amount of pesticides and why? What is this phenomenon known as? 

5. (a) For what purpose is the “Khadin” technique used in Rajasthan?

(b) Mention at least two advantages of this technique. 

6. “Stars seem higher than they actually are” Explain, why? 

7. (a) What happens to the pollen when it is transferred on the stigma?

(b) What happens to ovary and ovule after fertilization? 

8. Draw all the possible isomers of pentane and name them. 

9. The elements of a period of the periodic table are given below in order from left to right with one of its element missing: 

Li      Be      B     C    O    F  Ne

Please click the link below to download full pdf file for CBSE Class 10 Science Sample Paper SA2 2015.



Click to View or Download pdf file
Click for more Science Study Material

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

NEP Transforming India Quiz

As a part of Shikshak Parv celebration, an online quiz competition on National Education Policy 2020 will be organized by the Ministry of Education, Govt. of India, from 5 th September to 25th September 2020 in order to create awareness about NEP among all stakeholders...

Online Teacher Training Course on Competency based Education in DIKSHA

Competency is a set of skills, abilities, knowledge that helps an individual perform a given task in real life. Every learning should go into the imbibing of these skills to lead a productive and joyful life. The NATIONAL EDUCATION POLICY-2020 calls for shift towards...

National Online Painting Championship

The National Mission for Clean Ganga, Ministry of Jal Shakti in collaboration with Kalantar Art Trust is organizing KALANTAR-2020: National Online Painting Championship with the aim to provide a platform to youth and school children to demonstrate their artistic skills...

TERI Green Olympiad 2020

Green Olympiad is a value driven project conducted by TERI (The Energy and Resources Institute) for school students annually since 1999. This Olympiad assesses the environment quotient of students and also enhances their understanding on issues related to sustainable...

Training of CBSE School Teachers on Olabs

Training of CBSE School Teachers on Olabs in collaboration with C-DAC Mumbai: OLabs is a platform jointly developed by the Ministry of Electronics and Telecommunications, Government of India, CDAC, and Amrita University to facilitate a virtual experience of CBSE...

Mathematical Literacy Free Practice Book for Students

With a larger goal to promote 21st century skills such as critical thinking and problem solving, the Central Board of Secondary Education has shared a Mathematical Literacy: Practice Book for Students. This Work Book is designed to allow learners of classes 7th to 10th...

Studies Today