Saturday, December 29, 2018

CBSE PORTAL : CBSE Board Exam Class-10 Model Answers 2017 : Mathematics

CBSE PORTAL : CBSE Board Exam Class-10 Model Answers 2017 : Mathematics

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CBSE Board Exam Class-10 Model Answers 2017 : Mathematics

Posted: 29 Dec 2018 03:22 AM PST

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CBSE Board Exam Class-10 Model Answers 2017

 

Exam Name : CBSE Borad Exam Class - 10 Model Answers 2017

Subject : Mathematics (Model Answer)

Year : 2017

Click Here to Download Full Model Answer​

(Download) CBSE Class-10 Sample Paper And Marking Scheme 2018-19 : (Science)

Posted: 29 Dec 2018 02:11 AM PST

(Download) CBSE Class-10 Sample Paper And Marking Scheme 2018-19:

(Science)

SECTION A

1. Name a common nutrient that is absorbed in the small intestine and reabsorbed by the kidney tubules.       1

2. The presence of a particular group of bacteria in water bodies indicates contamination. Identify the group. 1

SECTION B

3. How is Magnesium Chloride formed by the transfer of electrons? Why does the solution of Magnesium chloride
conduct electricity?   2

4. In a flowering plant, summarize the events that take place after fertilization. 2

5. A ray of light enters into benzene from air. If the refractive index of benzene is 1.50, by what percent does the speed of light reduce on entering the benzene? 2

OR

For the same angle of incidence in media A,B and C, the angles of refraction are 200, 300 and 400 respectively. In which medium will the velocity of light be maximum? Give reason in support of your answer.

SECTION C

6. What happens when aqueous solutions of Sodium sulphate and Barium chloride are mixed? Give a balanced equation for the reaction with state symbols. Name and define the type of chemical reaction involved in the above change. 3

7. Identify the compound of calcium which is used for plastering of fractured bones. With the help of chemical equation show how is it prepared and what special precautions should be taken during the preparation of this compound. 3

OR

'Sweet tooth may lead to tooth decay'. Explain why? What is the role of tooth paste in preventing cavities?

8. The electronic configuration of an element 'X' is 2,8,6. To which group and period of the modern periodic table does 'X' belong .State it valency and justify your answer in each case. 3

9. Pertaining to endocrine system, what will you interpret if- 3
i) You observe swollen neck in people living in the hills
ii) Over secretion of Growth Hormone takes place during childhood
iii) Facial hair develops in boys aged 13.

10. A variegated leaf with green and yellow patches in used for an experiment to prove that chlorophyll is required for photosynthesis. Before the experiment the green portions (A), and the pale yellow portions (B), are observed. What will be the colour of 'A' just before and after the starch test? Also write the equation of photosynthesis and mark, as
well as validate from which molecule the by-product is obtained. 3

11. The image of an object formed by a mirror is real, inverted and is of magnification -1. If the image is at the distance of 30 cm from the mirror, where is the object placed? Find the position of the image if the object is now moved 20 cm towards the mirror. What is the nature of the image obtained? Justify your answer with the help of ray diagram. 3

OR

What is meant by power of a lens? You have three lenses L1, L2 and L3 of powers +10D, +5D and -10D respectively. State the nature and focal length of each lens. Explain which of the three lenses will form a virtual and magnified image of an object placed at 15 cm from the lens. Draw the ray diagram in support of your answer.

12. Two lamps, one rated 100 W at 220 V and the other 200 W at 220V are connected (i) in series and (ii) in parallel to electric main supply of 220V. Find the current drawn in each case. 3

13. The figure below shows three cylindrical copper conductors along with their face areas and lengths. Compare the
resistance and the resistivity of the three conductors. Justify your answer.

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CBSE (Class X) Previous Year Papers Printed Books

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(Download) CBSE Class-12 2016-17 Sample Paper (Library & Information Science)

Posted: 29 Dec 2018 01:37 AM PST

(Download) CBSE Class-12 2016-17 Sample Paper (Library & Information Science)

Duration: 3 hours

M.M: 80

General Instructions :

  • There are 28 general questions.

  • Question nos. 1-11 are very short answer questions carrying 1 mark each. Answer to these questions should not exceed 40 words.

  • Question nos. 12-22 are short answer questions carrying 3 marks each. Answer to these questions should be between 80-100 words.

  • Question nos. 23-28 are long answer questions carrying 6 marks each. Answer to these questions should not exceed 200 words.

  • All questions are compulsory. However, an internal choice has been provided in two questions of six marks. You have to attempt only one of the choices in such questions.

Q.1. What is Performance Appraisal?

Q.2. State the purpose of stock verification.

Q.3. What is the objective of stack maintenance?

Q.4. What do you understand by Energy Facet?

Q.5. Why are some class numbers of DDC kept in square bracket?

Q.6. What is the purpose of 'Due Date Slip'?

Q.7. What do you understand by "Value Added Information Services"?

Q.8. What is the objective of Inter Library Loan?

Q.9. Which software is needed to read an e-book in pdf form?

Q.10. What do you mean by Electronic Books (e-books)?

Q.11. Why do we need Unicode Compatible Library Automation Software?

Q.12. What is meant by user education? List four objectives of user education.

Q.13. What do you understand by Library Consortia?

Q.14. Briefly describe the 'personality', the fundamental category of colon classification.

Q.15. Write the schematic illustration of 2nd level of description described in AACR-2.

Q.16. Why is technical processing of a book essential?

Q.17. What is Current Awareness Service? Briefly describes its categories?

Q.18. Describe the process of providing Selective Dissemination of Information Service (SDI).

Q.19. How is ICT application in Libraries beneficial?

Q.20. Write three advantages of Library Automation.

Q.21. Write three merits and three demerits of Open Source Software.

Q.22. Explain the Boolean operators and their impact while connecting two keywords 'India' and 'Sri Lanka'.

Q.23. Describe different methods of stock verification.

Or

Describe various preventive measures adopted by libraries for preservation of documents against environmental factors. (any six)

Q.24. Briefly describe different functions of Circulation Section.

Or

Briefly describe different functions of Periodical Section?

Q.25. Explain the role of tables in the DDC.

Q.26. Enumerate and explain different data formats of MARC-21.

Q.27. What kind of skills and competencies should a Library and Information professional possess?

Q.28. How does the Administrator manage SOUL Library Automation Software using its Administration module?

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(Download) CBSE Class-10 2016-17 Sample Paper (Telugu Telangana)

Posted: 29 Dec 2018 01:37 AM PST

(Download) CBSE: Class XII Entrepreneurship Question Paper - 2018

Posted: 29 Dec 2018 01:34 AM PST

Question Papers For Board Examinations 2018

Class – XII

Subject – Entrepreneurship

Subject : Entrepreneurship

Class : XII

Year : 2018

General Instructions :

(i)   All questions are compulsory.
(ii)  There are 24 questions in all.
(iii)  Marks for each question are indicated against it.
(iv)  Questions No. 1 to 5 are Very Short Answer type questions, carrying 1 mark each.
(v)  Questions No. 6 to 10 are Short Answer type questions, carrying 2 marks each.
(vi)  Questions No. 11 to 17 are Long Answer – I type questions, carrying 3 marks each.
(vii)  Questions No. 18 to 21 are Long Answer – II type questions, carrying 4 marks each.
(viii) Questions No. 22 to 24 are Essay Answer type questions, carrying 6 marks each.
(ix)  Answers should be brief and to the point.

Questions :

1. Give the meaning of an entrepreneur.

2. State the liability of a partner.

3. What is meant by ‘integrative negotiations’ ?

4. Differentiate between ‘Sales Budget’ and ‘Marketing Budget’.

5. Deepak Industries is a sugar manufacturing unit in U.P. Due to various reasons it started running into losses and was declared a sick unit by the State Confederation of Industries. It had assets and probability to revive if financial assistance could be made available.Name the financial organisation that can help Deepak Industries in this situation knowing well that it cannot furnish any collateral security against the loan sanctioned.

6.‘Safe Wheelers’ is an upcoming cab service. The promoters knew that they are entering a highly competitive market. They gathered information on existing cab services and changing customer preferences and incorporated those observations into their operations. In order to reach the customers promptly, they developed an ‘App’ to book, track and trace the cabs 24x7. To create an environment of trust all drivers were grouped into two shifts : 6 a.m. – 6 p.m. for female drivers and 6 p.m. – 6 a.m. for male drivers. GPS systems were installed in all cabs to monitor their movements. The fare payment could be either by an e-wallet or through the ‘Safe Wheelers Smart Card’. As soon as the services were launched, they were a grand success. Identify and explain the concept that helped the company to succeed. 

7.Give any two points of distinction between ‘Basic Idea’ and ‘Post Scanning Idea’.

8.Rajiv and Ramesh entered into a verbal agreement to form a firm. They agreed to share its profits. Their business was running smoothly. One day a dispute arose between Rajiv and Ramesh regarding the profit sharing ratio. Rajiv decided to move the court and enforce his rights against the firm and Ramesh. Will Rajiv succeed ? Give reasons in support of your answer.  

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Courtesy: CBSE

CBSE Class-10 Exam 2018 : All India Scheme Question Paper-Elements of Book Keeping and Accountancy

Posted: 29 Dec 2018 01:33 AM PST

CBSE Class-10 Exam 2018 : All India Scheme
Question Paper-Elements of Book Keeping and Accountancy

Subject :Elements of Book Keeping and Accountancy

Time allowed : 3 hours

Maximum Marks : 80

  • Please check that this question paper contains 8 printed pages. 
  • Code number given on the right hand side of the question paper should be written on the title page of the answer-book by the candidates. 
  • Please check that this question paper contains 34 questions. 
  • Please write down the Serial Number of the question before attempting it. 
  • 15 minutes time has been allotted to read this question paper. The question paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the question paper only and will not write any answer on the answer-book during this period.  

General Instructions :

(i) All questions are compulsory.
(ii) Questions from serial number 1 to 10 are Multiple Choice Questions carrying one mark each. You have to write the correct option in your answer-book.
(iii) Marks allotted to other questions are indicated against each of them. 

1.This one of the following is not a capital receipt :
 (a) raising of bank loan
 (b) capital contribution by the owner
 (c) rent received
 (d) money received from the sale of a fixed asset 

2.A payment made for acquiring a fixed asset is
 (a) a capital expenditure
 (b) a revenue expenditure
 (c) a deferred revenue expenditure
 (d) None of the above 

3.Out of the following assets depreciation will not be charged on
 (a) Machine
 (b) Furniture
 (c) Stock
 (d) Utensils 

4. This does not affect the calculation of the amount of depreciation of an asset :
 (a) cost of asset
 (b) life of asset
 (c) market value of the asset
 (d) residual value of the asset

5. A bank reconciliation statement is prepared with the help of entries made in –
 (a) Bank pass-book and Bank column of the cash book
 (b) Bank pass-book and Cash column of the cash book
 (c) Cash column and Bank column of the cash book
 (d) Only bank pass-book 


6.The number of parties in a bill of exchange is :
 (a) 2
 (b) 3
 (c) 4
 (d) 5 

7. This one of the following is an example of business asset
 (a) Creditors
 (b) Debtors
 (c) Drawings
 (d) Bank Overdraft
 
8. Profit and loss A/c shows :
 (a) Net profit
 (b) Gross profit
 (c) Liability
 (d) Gross loss 

9.In this of the following there is greater possibility of maintenance of incomplete accounting records.
 (a) Public Ltd. Co.
 (b) Private Ltd. Co.
 (c) Small Shop 
 (d) Departmental Store  

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Courtesy: CBSE