Wednesday, January 6, 2016

www.CBSEPORTAL.COM - : (Download) CBSE Class-12 Sample Paper (Biology) 2014-15

www.CBSEPORTAL.COM - : (Download) CBSE Class-12 Sample Paper (Biology) 2014-15

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(Download) CBSE Class-12 Sample Paper (Biology) 2014-15

Posted: 05 Jan 2016 01:53 AM PST

(Download) CBSE Class-12 Sample Paper (Biology) 2014-15

Time allowed: 3hrs

 Maximum Marks: 70

General Instructions:

1. There are a total of 26 questions and five sections in the question paper. All questions are compulsory.

2. Section A contains question number 1 to 5, Very Short Answer type questions of one mark each.

3. Section B contains question number 6 to 10, Short Answer type I questions of two marks each.

4. Section C contains question number 11 to 22, Short Answer type II questions of three marks each.

5. Section D contains question number 23, Value Based Question of four marks.

6. Section E contains question number 24 to 26, Long Answer type questions of five marks each.

7. There is no overall choice in the question paper, however, an internal choice is provided in one question of two marks, one question of three marks and all three questions of five marks. An examinee is to attempt any one of the questions out of the two given in the question paper with the same question number.

Section - A

1. A tissue culture experiment has been performed with a plant tissue infected with TMV. Meristematic tissue produces healthy plant. Reason out the possibility of obtaining such result. 1

2. State a method of cellular defence which works in all eukaryotic organisms. 1

3. In case of an infertile couple, the male partner can inseminate normally but the mobility of sperms is below 40 percent. Judge, which kind of ART is suited in this situation to form an embryo in the laboratory, without involving a donor? 1

4. Calculate the length of the DNA of bacteriophage lambda that has 48502 base pairs. 1

5. If two genes are located far apart from each other on a chromosome, how the frequency of recombination will get affected? 1

Section - B

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(Download) CBSE Class-12 Sample Paper (Accountancy) 2015

Posted: 05 Jan 2016 01:28 AM PST

(Download) CBSE Class-12 Sample Paper (Accountancy) 2015

Part A : Accounting for Partnership Firms and Companies 60 Marks 150 Periods

Unit 1: Accounting for Partnership Firms

  •  Partnership: features, Partnership deed.

  •  Provisions of the Indian Partnership Act 1932 in the absence of partnership deed.

  •  Fixed v/s fluctuating capital accounts. Preparation of Profit & Loss Appropriation account- division of Profit among partners, guarantee of profits.

  •  Past adjustments (relating to interest on capital, interest on drawing, salary and profit sharing ratio).

  •  Goodwill: nature, factors affecting and methods of valuation - average profit, super profit and capitalization.

Scope : Interest on partner's loan is to be treated as a charge against profits.

Accounting for Partnership firms - Reconstitution and Dissolution.

  •  Change in the Profit Sharing Ratio among the existing partners - sacrificing ratio, gaining ratio. Accounting for revaluation of assets and re-assessment of liabilities and treatment of reserves and Accumulated profits.

  •  Admission of a partner - effect of admission of a partner on change in the profit sharing ratio, treatment of goodwill (as per AS 26), treatment for revaluation of assets and re - assessment of liabilities, treatment of reserves and accumulated profits, adjustment of capital accounts and preparation of balance sheet.

  •  Retirement and death of a partner: Effect of retirement /death of a partner on change in profit sharing Ratio, treatment of goodwill (as per AS 26), treatment for revaluation of assets and re - assessment of Liabilities, adjustment of accumulated profits and reserves, adjustment of capital accounts and preparation of balance sheet. Preparation of loan account of the retiring partner.
    – Calculation of deceased partner's share of profit till the date of death. Preparation of deceased Partner's capital account, executor's account and preparation of balance sheet.

  •  Dissolution of a partnership firm: types of dissolution of a firm. Settlement of accounts - preparation of

Realization account, and other related accounts: Capital accounts of partners and Cash/Bank A/c (Excluding piecemeal distribution, sale to a company and insolvency of partner(s)).

Note:

(i) If value of asset is not given, its realized value should be taken as nil.
(ii) In case, the realization expenses are borne by a partner, clear indication should be given regarding the payment thereof.

Unit 2: Accounting for Companies

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(Download) CBSE Class-10 Sample Paper (Social Science) 2016

Posted: 04 Jan 2016 11:57 PM PST

(Download) CBSE Class-10 Sample Paper (Social Science) 2016

Very short answers -VSA (1 mark)

1. What did the inland Emigrating Act of 1859 declare?
2. Name any one fossil fuel used to generate thermal electricity.
3. Give one special feature that distinguishes a pressure group from a political party.
4. Give one reason why multi party system has evolved in India.
5. With the help of an example each compare a single issue movement and a long term movement.
6. What is meant by 'Fair Globalisation'?
7. Why do banks ask for collateral while giving credit to the borrower?
8. How will you justify that you are an alert consumer while buying a commodity from the market. Give two example/ situations to support you.

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(Download) CBSE Class-10 Sample Paper (Science) 2016

Posted: 04 Jan 2016 11:40 PM PST

(Download) CBSE Class-10 Sample Paper (Science) 2016

VSA: (1 marks each)

1. State one reason for placing Mg and Ca in the same group of the periodic table 1
2. State two roles of testes in male reproductive system 1
3. Why is re-use of materials better than recycling in saving the environment? 1

SA: (2 marks each)

1. What is a homologous series? Write the name and draw the structure of the second member of the alkene series. 2
2. Give one example of eacha)
a) Metal having valency 2.
b) Non metal having valency 2.
c) Element with completely filled outermost shell.
d) d) Element with three shells, having 4 electrons in the outermost shell.
2
3. To protect the food plants from insects, an insecticide was sprayed in small amounts but it was detected in high concentration in human beings. How did it happen? 2

 SA: II (3 marks each)

1. How do the following traits change in a period from left to right in the periodic table –
a) Atomic size
b) Valency
c) Metallic character.
3
2. What are isomers? Draw all possible isomers of C4 H10 and name them 3
3. Two elements ‗X' and ‗Y' belong to the second group of the periodic table. ‗X' has 2 shells and ‗Y' has 3 shells in it –
a) Which of these is more metallic in nature and why?
b) What is the formula of the chloride of ‗X' and sulphide of ‗Y'?
c) Is the valency of ‗X' same as that of ‗Y' or different? Why?
3
4. a) Why do we see different variety of organisms around us?
b) In which type of reproduction –
i) Off springs are identical?
ii) Exact similar offspring's are not produced?
3
5. How do species of two isolated subpopulations become two different species? 3
6. Define –
a) Spore formation
b) Regeneration
c) Multiple fission
3
7. ―Variation is useful for the survival of species overtime but the variants have unequal chances of survival.''
Explain the statement.
3
8. What is ‗Placenta'? State its function in human female. 3
9. a) State the law of refraction of light that defines the refractive index of one medium with respect to the other.
b) Express it mathematically also.
c) Write the expression relating the refractive index of medium ‗A' with respect to the medium ‗B' to the speed of light in the two media ‗A' & ‗B'. Name the constant when medium ‗B' is vacuum.
3
10. Why does the sky appear blue to an observer from the surface of earth? What will be the colour of the sky for an astronaut in a apace station? Give reason for your answer. 3
11. Name the device (type of lens / mirror) used in the following cases and draw ray diagrams to show the image formation in each case –
a) Object is placed between the device and its focus, the enlarged image is formed behind it
b) The object is placed between infinity and the device, the image is formed behind the device between its pole and focus.
3
11. An object of height 2 cm is placed at a distance of 30 cm from a convex lens of focal length 10 cm. Find the position, nature and height of the objec 3

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