Thursday, January 7, 2016

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

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

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(Download) CBSE Class-12 Sample Paper (Business Studies) 2014-15

Posted: 06 Jan 2016 01:19 AM PST

(Download) CBSE Class-12 Sample Paper (Business Studies) 2014-15

1. What is meant by 'Effectiveness in Management'? 1

2. How does coordination ensure unity of action in Management 1

3. Define 'Planning premises' 1

4. National Vritech Ltd. has grown in size. It was a market leader but with changes in business environment and with the entry of MNCs its market share is declining. To cope up with the situation CEO starts delegating some of his authority to the General Manager, who also felt himself overburdened and with the approval of CEO disperses some of his authority to various levels throughout the organization. Identify the concept of management discussed above. 1

5. Which component of capital structure determines the overall financial risk? 1

6. Amit is running an 'Advertising agency' and earning a lot by providing this service to big industries. State whether the working capital requirement of the firm will be 'less' or 'more'. Give reason in support of your answer 1

7. Zoom Udyog, a car manufacturing Co., has started its business with Zoom 800 and slowly launched Zoom-1000, Wagon-Z, Swy-fy etc. and offered various services like after sale service, availability of spare parts etc. Identify the element of marketing mix referred here.1

8. Himesh after completing his graduation started working with a multinational company in Delhi. But due to ill health of his parents he had to go back to his village. There he noticed that the villagers were literate but ignorant about their rights. Many vegetable vendors were using stones as weights to sell their vegetables. Some shopkeepers were selling food items without having 'FPO mark'. Villagers did not find anything wrong with these practices. So to create awareness among villagers Himesh decided to publish a weekly Journal 'Jan Jagriti'. State the 'Right' whichHimesh has exercised by doing so. 1

9. State any three advantages that a functional structure offers to an organization. 3

10. 'Choice of an appropriate channel of distribution is very important marketing decision which affects the performance of an organization'. Explain any two factors on which the choice of an appropriate channel depends. 3

11. Zenith Ltd. is a highly reputed company and many people wanted to join this company. The employees of this organization are very happy and they discussed how they came in contact with this organization.

Aman said that he was introduced by the present Sales manager, Mr. John. Benu said that he had applied through the newspaper and was appointed as H.R Manager.

Vaibhav said that he was neither related to any of the employee of the organization nor there was any advertisement in the newspaper even then he was directly called from IIM Ahmedabad from where he was about to complete his MBA.

a) The above discussion is indicating an important function of management. Name the function of management
b) The management function identified in part (a) follows a particular process. Explain the step of this process which is being discussed in the above para. 1+2

12. Supriya's grandmother who was unwell, called her and gave her a gift packet. Supriya opened the packet and saw many crumpled share certificates inside. Her grandmother told her that they had been left behind by her late grandfather. As no trading is now done in physical form, Supriya wants to know the process by adopting which she is in a position to deal with these certificates.

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

Posted: 06 Jan 2016 01:02 AM PST

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

Time Allowed: 3 hr

Maximum marks: 70

1. The following figure shows the variation of adsorption of N2 on charcoal with pressure at different constant temperatures:



Arrange the temperatures T1, T2 and T3 in the increasing order.

2. Give the formula of a noble gas species which is isostructural with IBr2 -
.
3. What is the effect of synergic bonding interactions in a metal carbonyl complex?

4. PCl5 acts as an oxidizing agent. Justify.

5. Write the name of the product formed when benzenediazonium chloride solution is treated with potassium iodide.

6. Name the crystal defect which reduces the density of an ionic solid? What type of ionic substances show this defect?

7. The molar conductivity ( λm ) of KCl solutions at different concentrations at 298 K is plotted as shown in the figure given below:

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(Download) CBSE Class-12 Sample Paper (Computer Science) 2014-15

Posted: 06 Jan 2016 12:06 AM PST

(Download) CBSE Class-12 Sample Paper (Computer Science) 2014-15

SECTION A

Time allowed : 3 hours

Maximum Marks: 70

Section A (C++)

Q1. a. Differentiate between ordinary function and member functions in C++.

Explain with an example. [2]

b. Write the related library function name based upon the given information in C++.
(i) Get single character using keyboard. This function is available in stdio.h file.
(ii) To check whether given character is alpha numeric character or not. This function is available in ctype.h file. [1]

c. Rewrite the following C++ program after removing all the syntactical errors (if any), underlining each correction. : [2]

include<iostream.h>
#define PI=3.14
void main( )
{ float r;a;
cout<<'enter any radius';
cin>>r;
a=PI*pow(r,2);
cout<<"Area="<<a
}

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

Posted: 05 Jan 2016 11:30 PM PST

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

SECTION A

1. "Golden rice is nutritionally superior to normal rice". Justify. 1

2. Write the complementary sequence of the following sequence

5' ATMKGCSWNB 3' 1

3. What is the specific role of baffles in large scale fermentation process? 1

4. A,B and C are type I, type II and type III enzymes respectively. Which of these is mostly used in recombinant DNA technology and why? 1

5. Curd is used as a pro-biotic. Give reason 1

6. Give the commercial importance of flavr savr variety of tomatoes. 1

SECTION B

7. Both Hind III and Pvu I are unique restriction sites in insert and host DNA. Why is Hind III still a preferred restriction enzyme? 2

8. Detergent manufacturers supplement their products with a protease. Indicate why the enzyme is inactivated by bleach and how can this probelm be overcome? 2

OR

American scientists have developed a formulation based on whey proteins for reducing the viral load in Hepatitis patients. What could be the possible scientific explanation = for this therapeutic effect?

9. Indicate two techniques which can be used for amplifying DNA. 2

10. An interesting property of restriction enzymes is to precisely cut DNA. Restriction enzymes typically recognize a symmetrical sequence of DNA. 2



A. What is this symmetrical sequence of DNA known as?
B. What is the advantage of these overhanging chains?

11. What are data retrieval tools? Which tool would be useful for obtaining comprehensive information on a biological question? 2

12. How can microbes producing novel products be identified using metagenomics?. 2

13. E.coli is not the preferred host for the expression of a protein produced in papaya.Justify. 2

14. (i) Mention the number of primers required in each cycle of polymerase chain 2 reaction (PCR).
(ii) Give the characteristic feature and source organism of the DNA polymerase used in PCR.

SECTION C

15. Protoplasts from two different sources are isolated and allowed to randomly fuse with each other. Name this process and indicate how this fusion can be done and give its agricultural importance? 3

16. Discuss two important medical applications of tissue engineering. 3

17. Study the following enzyme purification table and answer the questions that follow:  3

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