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Transcript of MS_Class-X - 2011-Booka

MARKING SCHEME

2011

CLASS X

CENTRAL BOARD OF SECONDARY EDUCATION DELHI

CBSE, Delhi-110301

November, 2011

500 Copies

Price : Rs.

Manuscript as such highlights the main value points and does not represent a complete ideal answer. Manuscript may vary from time to time and year to year.

Published by Secretary, C.B.S.E. 'Shiksha Kendra', 2, Community Centre, Preet Vihar, Delhi - 110301. Laser typesetting and Printed by Akashdeep Printers, Daryaganj, New Delhi - 110002

(ii)

PREFACECBSE as a pace setting national Board has constantly been striving to design its evaluation process in a manner that it is used as a powerful means of influencing the quality of teaching and learning in the classroom situation. Also, it has to be so designed that it provides constant feedback regarding the effectiveness of the course content, classroom processes and the growth of individual learners besides the appropriateness of evaluation procedures. As a move in this direction, CBSE started the practice of publishing the Marking Schemes with twin objectives in mind-(i) making the system more transparent and at the same time, (ii) ensuring high degree of reliability in scoring procedure. Who are the markers of answer scripts? How do they mark the answer scripts? How can it be ensured that marking is fair, objective and reliable? Questions of these types naturally arise in the minds of candidates appearing in the public examination. These questions are equally pertinent to the teachers who are not adequately exposed to the CBSE system of marking. Answer Scripts marking is a specialised job. It is assigned to teachers-PGTs for Class XII and TGTs for Class X who are in direct touch with the subject and have a minimum of 3 years experience of teaching the subject at that level. Appointment of examiners is made in accordance with the welldefined norms. Markers examine scripts with the help of datailed guidelines called the 'Marking Schemes'. It is this tool (Marking Scheme) alongwith the extensive supervisory checks and counter-checks through which CBSE tries to ensure objective and fair marking. The present publication is being brought out with a view to serving the following objectives : (i) To give an opportunity to the teachers and students to look into the Marking Schemes that were developed by the Board and supplied to the evaluators in 2011 main examination in some selected main subjects.

(ii) To receive feedback and suggestions from institutions/subject teachers on the utility and further improvement of Marking Schemes. (iii) To encourage institutions to undertake similar exercise of developing marking schemes for classes other than those covered by the Board's examination with a view to increasing teachers' responsiveness to them as the essential tools of evaluation.

(iii)

HOW TO USE Teachers and the students preparing for Class X examination of the Board constitute the primary interest-group of this publication. Marking Schemes of Question Papers in the subjects of English (Communicative), English (Language and Literature), Hindi Course A, Hindi Course B, Mathematics, Science (Theory), Social Science, Foundation of Information Technology, Communicative Sanskrit, French, Urdu Course A, Urdu Course B and Bengali administered in Delhi and Outside Delhi during the 2011 main examination have been included in this document. Some tips on their usage are given below : (a) To Teachers : ----Go through the syllabus and the weightage distribution for the subject carefully. Read the question paper to find out how far the question paper set subscribes to the prescribed design. Grade every question by difficulty level for students who have taken the main Board examination. Consult the 'Marking Scheme' for each question, with reference to steps into which answers and awards have been divided. Work out concrete suggestions for the Board.

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--(b)

To Students : --Study each question carefully, comprehend them and write down the main points of the answer and note down their difficulties for clarification. Examine a question in conjunction with the Marking Scheme and find out the proximity of the answer to that suggested in the Marking Scheme. We will feel motivated if this publication is commented upon by practitioners in the context of its impact on their teaching learning strategies. Contribution of the experts and the officials of the Board in bringing out this document is gratefully acknowledged.

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We urge the teachers to encourage their students to make use of this publication and at the same time to enrich us with their free and frank reactions. M.C. SHARMA CONTROLLER OF EXAMINATIONS

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CONTENTSSecondary School Examination (X) Marking SchemePage No. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. English Communicative ............................................................................................. English Language and Literature ................................................................................. Hindi Course A ....................................................................................................... 1- 39 40-80 81-123

Hindi Course B ....................................................................................................... 124-170 Mathematics .............................................................................................................. 171-202 Science ...................................................................................................................... 203-252 Social Science ........................................................................................................... 253-292 Foundation of Information Technology ........................................................................ 293-339 Communicative Sanskrit ............................................................................................. 340-376 French ....................................................................................................................... 377-406 Urdu Course A ........................................................................................................ 407-436 Urdu Course B ........................................................................................................ 437-466 Bengali ...................................................................................................................... 467-489

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LIST OF COORDINATORS/SUBJECT EXPERTS/REPRESENTATIVES OF THE REGIONS FOR UPDATION/FINALISATION OF THE MARKING SCHEME FOR THE SECONDARY SCHOOL EXAMINATION, 2011S.No. Name of the Coordinator/Subject Experts ENGLISH COMMUNICATIVE 1. Mrs. Rachna Pant Principal Ramjas Pulic School Sector-4, R.K. Puram New Delhi Mrs. Onika Mehrotra Kalka Public School Alaknanda Kalkaji, New Delhi Mrs. M Iyenger Prakash Senior Sec. School Near Sandesh Press Bodakdev Ahmedabad, Gujarat Mr. Meera Bhardwaj Ramjas School Sector-4, R.K. Puram New Delhi Smt. Abha Verma DAV Public School Sector - 8, Panchkula (Haryana) Sh. G.K. Trivedi Kendriya Vidyalaya Bailey Road, Patna (Bihar) S.No. Name of the Coordinator/Subject Experts 7. Smt. Rashmi Dwivedia Delhi Public School Meerut Road, Ghaziabad (U.P.) Ms. Manvinder Kaur Delhi Public School Site No. 3, Meerut Road, Ghaziabad (Uttar Pradesh) Mrs. Maya Mohan Principal Cinmays Vidyalays Kochi Sh. Opkar Singh 121, Sehyog Apptts Mayur Vihar, Phase-I, Delhi Mrs. Jay Shree Das Basu Director (Acad) Don Basco School Guwahati (Assam)

8.

2.

9.

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10.

4.

11.

5.

ENGLISH LANGUAGE AND LITERATURE 1. Mr. Ramesh Chand Principal Govt. Boys Sr. Sec. School MB Road Pushp Vihar Phase-I New Delhi

6.

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S.No. Name of the Coordinator/Subject Experts 2. Shri P.N. Thakural C4C-4/256 Janak Puri New Delhi Dr. B.D. Jain Retd. Principal F.131 Pandav Nagar Delhi Mr. Rajinder Singh Govt. Boys Sr. Sec. School No.2 Kalkaji New Delhi

S.No. Name of the Coordinator/Subject Experts 9. Dr. Deepak Kumar PGT Jawahar Navodaya Vidyalaya Paota Distt. Jaipur-303106 (Rajasthan) HINDI COURSE A 1. Dr. Anuradha HOD Sardar Patel Vidyalaya Lodhi Estate, New Delhi 2. Dr. Suresh Pant 10 C/4 C, Janakpuri New Delhi 3. Ms. Kamlesh Sarvodaya Kanya Vidyalaya Avantika, Sector-I, Rohini Delhi 4. Mrs. Kalpana Saxena MGD Girls School Swai Ram Singh Road Ajmere Gali, Jaipur-302007 5. Mrs. Manju Verma Kendriya Vidyalaya Malleswaram Bangalore 6. Smt Roopali Sinha 71, Unique Apptts, Sector - 13, Rohini Delhi - 110085

3.

4.

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Mrs. Anupama PGT Govt. Sr. Sec. School Sector-19, Chandigarh Mr. G.R. Sharma Govt. Boys Sr. Sec. School No.2 Kalkaji New Delhi Mr. P.G. Rajendran Vice Principal Jawahar Navodaya Vidyalaya Dodaaballapur, Bashettihalli Post, Bangalore Rural Distt. Karnataka Mrs. Neelima Sharma Rtd. Deputy Education Officer Directorate of Education District South Defence Colony New Delhi

6.

7.

8.

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S.No. Name of the Coordinator/Subject Experts 7. Dr. Lalima Verma Principal Kendriya Vidyalaya FRI, PO New Forest, Dehradun, Uttarakhand 8. Mr. Manish Agarwal Montfort School Phase-I, Ashok Vihar Delhi 9. Dr. Sabya Sachin Lecturer Govt. Boy, Sr. Sec. School Tagore Garden New Delhi 10. Dr. Davinder Tyagi H-25, West Jyoti Nagar Shahadara Delhi-32 11. Mrs. Kusam Agarwal Sarvodaya Bal Vidyalaya Ramesh Nagar New Delhi HINDI COURSE B 1. Dr. Anuradha HOD Sardar Patel Vidyalaya Lodhi Estate, New Delhi-3

S.No. Name of the Coordinator/Subject Experts 2. Ms. Renu Pushkarna (HOD) PGT DAV Public School Sector-14, Gurgaon, Haryana Ms. Monika Marwah Sanskriti School Dr. Radhakrishan Marg Chanakaya Puri, New Delhi Dr.. A. Rengaswamy PGT SBOA School & Jr. College, 18 Sch. Road Anna Nagar, Western Ex