CBSE Class 10 Science Question Paper SA 2 2012 Set 13

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Access comprehensive previous year question papers for Class 10 Science using the CBSE Class 10 Science Question Paper SA 2 2012 Set 13. 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 SA 2 2012 (13). Students can download the last year 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.      A person is advised to wear spectacles with convex lenses.  State the defect of vision he  is suffering from.

2.      Complete the following chemical  reaction  -  CH3CH20H + Na 

3.      List  two man made ecosystem. 

4.      If a lake  is  contaminated  with  pesticides,  which  one of the following organisms  will contain in its  body the maximum concentration  of pesticides  and why ? Small  fish, Pelicans,  Zooplanktons, Phytoplanktons, Big  fish.

5.      Which  component of white  light deviates  (i) the least  and (ii) the most while  passing through a glass prism ?  State the reason of this difference in deviation.

6.      An object is  kept at a distance  of 12 cm in front of a concave mirror.  It forms a real  image  four times  larger  than the object. Calculate the distance  of the image  from the mirror.

7.      The sky appear dark instead  of blue  to an astronaut.  Why ?                               

8.      What are fossil fuels ?  The excessive use of fossil fuels is discouraged.  Why ?           

9.      (a)    How does the tendency of an element to loose electrons change in a 'group' ?         

10.   (a)    State  Modern Periodic  Law ?                                                          

11.   List four changes you would like to incorporate in your life style which would facilitate the more towards a sustainable  use of available  resources in our country.

12.   In tobacco plant, the male gametes have 24 chromosomes.  State  the number of  chromosomes in

(i) egg nucleus,

(ii) zygote,

(iii) endosperm and

(iv) leaf cell.

13.   The organisms formed by asexual reproduction are considered as clones.  Why ?  State the advantage of sexual reproduction over asexual reproduction.

Please click the link below to download pdf file of CBSE Class 10 Science Question Paper SA 2 2012 (13).

Past Exam Papers & Solutions for Class 10 Science

Class 10 Science Past Exam Papers & Resources

Review authentic examination papers for Class 10 Science. Working through the CBSE Class 10 Science Question Paper SA 2 2012 Set 13 allows learners to decode recurring question trends and familiarize themselves with official CBSE evaluation standards.

Importance of Solving CBSE Class 10 Science Question Paper SA 2 2012 Set 13

Practicing past question sets under timed home conditions helps refine pacing and time management skills, ensuring you complete your Science examination comfortably within the official duration.

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FAQs

Where can I download the official PDF for CBSE Class 10 Science Question Paper SA 2 2012 Set 13?

The CBSE Class 10 Science Question Paper SA 2 2012 Set 13 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.

Are the solutions for CBSE Class 10 Science Question Paper SA 2 2012 Set 13 based on the official CBSE marking scheme?

Yes, the solutions for CBSE Class 10 Science Question Paper SA 2 2012 Set 13 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.

How does solving CBSE Class 10 Science Question Paper SA 2 2012 Set 13 help in preparing for the 2026 exams?

Solving previous year papers like CBSE Class 10 Science Question Paper SA 2 2012 Set 13 is important to understand repeat themes and question difficulty levels of Science. It helps Class 10 students to test their time management skills too.

Can I access CBSE Class 10 Science Question Paper SA 2 2012 Set 13 in different languages?

Yes, where applicable, CBSE Class 10 Science Question Paper SA 2 2012 Set 13 is available in both English and Hindi mediums. All students from Class 10 can access Science study material in their preferred language.

Is there a charge to download the CBSE Class 10 Science solved papers?

No, all previous year question papers on StudiesToday, including CBSE Class 10 Science Question Paper SA 2 2012 Set 13, are provided free of charge in mobile-friendly PDF.