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. 

SECTION: ‘A’

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.

Tags: 

 


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

Class 10 Boards Cancelled Class 12 postponed

Looking to the present situation of the pandemic and school closures, and also taking in account the safety and well-being of the students, it is decided as follows:   1. The Board Exams for Class XIIth to be held from May 4th to June, 14th, 2021 are hereby postponed....

SOF Science Olympiad Foundation

SOF~ The most desired name for Olympiads in the Educational World! SOF” refers to the Science Olympiad Foundation. It is an Academic Institution assisting educational based competition and enhancing competitive spirit among the School- Level students. The Science...

CBSE Assessment Framework

The Central Board of Secondary Education (CBSE) today, announced a suggested competency-based assessment framework to strengthen India’s existing school education system for secondary level (classes 6-10) and improve the overall learning outcomes of students across...

Revised Datesheet for Class 10 and 12 Board Exams

Revised date sheet for Class 12 - scroll down for datesheet for class 10 Revised datesheet for Class 10

Latest CBSE Syllabus for 2021 2022 PDF Download

Latest Syllabus for Class 12 for 2021 2022 Latest Syllabus for Class 11 for 2021 2022 Latest Syllabus for Class 10 for 2021 2022 Latest Syllabus for Class 9 for 2021 2022 CBSE has issued the latest syllabus for the academic year 2021 2022 which is applicable for all...

ICSE Board Exams Cancelled

The ICSE (Class X) 2021 Examination: Given the present worsening situation of the Covid- 19 Pandemic in the country, the CISCE has decided to CANCEL the ICSE (Class X) 2021 Examination. The options given in the earlier Circular dated 16th April 2021, now stands...

×
Studies Today