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AMS P OBUL REDDY PUBLIC SCHOOL HOLIDAY HOMEWORK FOR CLASS –XII MATHEMATICS 1 2 3 4 5 6 7 8 9 10 11 12 13 14

AMS P OBUL REDDY PUBLIC SCHOOL HOLIDAY HOMEWORK FOR … · AMS P OBUL REDDY PUBLIC SCHOOL HOLIDAY HOMEWORK FOR CLASS ... A test detection of a particular disease is not fool proof

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AMS P OBUL REDDY PUBLIC SCHOOL

HOLIDAY HOMEWORK FOR CLASS –XII MATHEMATICS

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15. Two cards are drawn successively with replacement from a well-shuffled deck of 52 cards. Find the probability distribution of the number of spades 16. 4 defective apples are accidentally mixed with 16 good ones. Three apples are drawn at random from

the mixed lot. Find the probability distribution of the number of defective apples.

17. On a multiple choice examination with three possible answers(out of which only one is correct) for each of the five questions, what is the probability that a candidate would get four or more correct answers just by guessing ? 18. Two cards are drawn simultaneously (or successively) from a well shuffled pack of 52 cards. Find the mean and variance of the number of red cards. 19. A and B throw a die alternatively till one of them gets a 6 and wins the game. Find their respective probabilities of winning, if a stars first. 20. A test detection of a particular disease is not fool proof. The test will correctly detect the disease 90 % of the time, but will incorrectly detect the disease 1 % of the time. For a large population of which an estimated 0.2 % have the disease, a person is selected at random, given the test, and told that he has the disease. What are the chances that the person actually has the disease.

AMS P, OBUL REDDY PUBLIC SCHOOL

HOLIDAY HOME WORK FOR CLASSES XI AND XII

WORK SHEET CLASS - XII SUB – BIOLOGY

(Write in class work)

Read the chapter 1, 2 and 3 answer the following questions:

Chapter 1

Arrange the following terms in a correct developmental sequence:

Pollen grain, sporogenous tissue , microspore tetrad ,pollen mother cell, male gametes.

What is meant by monosporic development of female gametophyte?

Why do you think the zygote is dominant for some time in a fertilized ovule?

What is apomixes and what is its importance?

Starting with the zygote, draw the diagrams of the different stages of embryo development in a dicot

plant.

Chapter 2

Explain the events that are observed on an artificial hybridization programme.

In case of poly embryony ,if an embryo develops from the synergid and another from nucellus,

which is haploid and which is diploid? Give reason.

What is polyembryony and how can it be commercially exploited?

Why is apple called a false fruit? Which part of the flower forms the fruit?

Chapter 3

Draw and label the following diagrams :

TS of ovary and testis.

Name the functions of the following :

Corpus luteum ,endometrium,acrosome,sperm tail,fimbriae.

(Complete Investigatory Project )

*******************************************************************

AMS P OBUL REDDY PUBLIC SCHOOL

HOLIDAY HOMEWORK FOR CLASS XII ENGLISH (2016-2017)

CLASS XII- WRITE CHAPTER WISE SUMMARY OF THE INVISIBLE MAN (CHAPTERS 1-14)

IN YOUR WRITING TASK NOTE BOOKS

A.M.S. P.OBUL REDDY PUBLIC SCHOOL HOLIDAY HOMEWORK (2016-2017)

WORKSHEET 1

CLASS-XII SUBJECT- BUSINESS STUDIES

Application and case studies on Consumer Protection and Marketing

1. Zoom Udyog a car manufacturing company has started its business with Zoom 800 and slowly launched Zoom 1000,

wagon R etc. and offered various services like after sales service, availability of spare spare parts etc. Identify the

element of marketing mix referred here.

2. Radha found a worm crawling out of a newly opened tetra pack of a juice manufactured by a reputed company Zest

Ltd. She went back to the shop keeper from whom the pack was purchased who directed her to call up the

customer care center. When all her efforts failed she went to a consumer activists group to seek help. The group

decided to help Radha and take measures to impose restrictions on the sale of the firms products of the particular

batch and urge customers to refrain from buying the products of the company. Zest Ltd lost its image in the market.

The CEO gives the responsibility of bring back the lost image of the company to a Manager.

a. Identify the concept of Marketing Management which will help the Manager getting the firm out of the above

crisis.

b. Also explain the role of the above identified concept by stating any two points.

3. Good Living Ltd. manufactures mosquito repellent tablets. These tablets are packed in strips of 12 tablets each.

Each of these strips are packed in a cardboard box, 48 such boxes are then placed in a big corrugated box and

delivered to various retailers for sale. State the purpose of packaging the tablets in a corrugated box.

4. Shreemaya Hotel in Indore was facing a problem of low demand for its rooms due to off season. The Managing

Director (MD) of the hotel, Mrs. Sakina was very worried. She called upon the Marketing Manager, Mr.Kapoor for

his advice. He suggested, that the hotel should announce an offer of ‘3 Days and 2 Nights hotel stay packaged with

free breakfast and one day religious visit to Omkarehswar and Mahakaleshwar Temples’. The MD liked the

suggestion very much. Identify the promotional tool, which can be used by the hotel, through which large number

of prospective pilgrimage tourists, all over the country and also abroad, can be reached, informed and persuaded to

use the incentive.

5. “Every time I travelled, people asked me to bring them chips, khakra and pickles from all over the country,” says

Anoushka. Finally, she and her colleague, Sumeet, decided to make a business out of it. They launched a facebook

page, asked people what they wanted, and they came up with a list of about 100 places and tied up with two dozen

vendors to begin with. They were servicing people from Jaipur who wanted spices from Kerala, people from Panipat

who wanted halwa from Jammu and people from Delhi who ordered for fresh tea leaves from Darjeeling. Through

their business they wished to bridge the gap between sellers and buyers. The business is now worth millions.

Explain any two important activities that Anoushka and Sumeet will have to be involved in for making the goods

available to the customers at the right place, in the right quantity and at the right time.

6. Aman a degree holder in Entrepreneurship came to know about Piplantri Village located in Rajasthan, where in

2006 an initiative was started, in which 111 trees are planted every time a girl child is born. To keep termites away

from the trees the villagers have planted 2.5 million Aloe Vera plants around the trees. This has turned the village

into an oasis, as the planting of trees led to higher water levels. Aman decided to visit the village to start a business

unit, for the processing and marketing of Aloe Vera into juices, gels and other products. However, on visiting the

village Aman found that the villagers were A 6 suffering exploitation at the hands of local merchants who were

engaged in unscrupulous, exploitative trade practices like hoarding and black marketing of food products and also

selling unsafe, adulterated products to the villagers. After looking at their plight instead of a business organisation

he decided to set up an organisation for the protection and promotion of the consumer interest of the villagers.

State the functions that the organisation established by Aman will be performing. (Any six points)

7. 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

8. It is necessary that goods and services must be made available to the customers at the right place, in the right

quantity and at right time. 6 a) Name and explain the concerned element of Marketing Mix given above. b) Explain

the components of this element

9. A tea producer uses such packets/things for packing tea, which can be used even after consuming the tea inside for

other purposes. In this which values are being affected by him?

10. A cosmetics manufacturing co. claims in advertisement that its face cream improves the face complexion. On using

it was found incorrect. Here which values are being ignored?

11. A commercial unit uses rocks, trees, electric poles, historical movements and walls to advertise its products. This

advertising policy shows which faults of the company?

12. A soft drink manufacturing co. uses dangerous stunts in the advertisements claiming that its drinks make the user

fearless and stronger. In your view what could be the bad effects of this? How it can be stopped?

13. One manufacturer of electronic product produces such products which need special care while using it. But the co.

has not given the instructions to consumers. If you are the manager of that co. what steps you would take?

14. A company uses same promotional schemes like buy one get one free, free samples, free gifts and so on to boost

the sales of its products and to earn higher profits. This results in unnecessary hike in the prices of the products. In

your opinion, is this policy in the interest of society

15. Mr. X is a sweet maker (Halwai), who collects milk from village to village and prepares sweet on Deepawali. due to

increased demands, he purchased khoya from other shopkeeper which was adult rated, because it was not possible

to meet the demand from collected milk. For meeting the demand quickly he has not maintained cleanliness while

preparation of sweets. He kept two children for packing the sweet and one female at cash counter. Which social

values he is affecting and how?

16. A company engaged in selling spice, claims about purity in its advertisement but in laboratories after examination,

the spices were found adult rated. Which values are being violated here?

17. A Pharmacy Co. doesn’t provide information for the expiry date on the packet of his drug. This manufacture violates

which value?

18. A manufacture of food products uses bad quality material for packing the product resulting in spoiling goods the

reaching the consumers. Which value is being ignored here?

19. A toy manufacturing co. uses low quality plastics and harmful colors which affects the health the children. Which

value is being ignored here?

20. Mohan purchased a press for Rs.1000/-. On using it he found it defective. The seller did not respond to the

complaint. In your view what should be done by seller as well as Mohan

21. A patient didn’t read carefully the instructions on the pack of the drug. On using it his health deteriorated further

instead of improvement. If you are in his place than what you would do

22. The Manager of Impact of the four promotional measures that he can undertake to improve the sales. Also name

the factors of affecting their choice.

23. Jasbir read in the newspaper that there is a special offer on the purchase of LCD T.V. He went to Vikram Electronics.

He purchased goods according to his need and satisfaction. He is not forced by any sales person to purchase any

product.

(i) Name the promotional tool which has bought him to the shop.

(ii) State any two qualities of a good salesman.

(ii) Name and explain the consumer rights highlighted in the above para.

A.M.S. P.OBUL REDDY PUBLIC SCHOOL HOLIDAY HOMEWORK (2016-2017)

Class XII:

Accountancy :

1. Complete evaluation questions from page no.3.41 to 3.47 and from page no.4.104 to 4.116(New Book)

EVM1 to EVM 18( Old Book).

2. Project Work: Down load financial statements of any manufacturing or trading companies with segment wise

break up along with cash flow statement.

AMS P. Obul Reddy Public School

Holiday Homework class-XII (2016-17)

Economics - Consumer Equilibrium

1. Why is the consumer in equilibrium when he buys only that combination of the two goods that is

shown at the point of tangency of the budget line with an indifference curve? Explain.

Or

For a consumer to be in equilibrium why must marginal rate of substitution be equal to the ratio of

prices of the two goods?

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2. Explain the concept of MRS with the help of suitable numerical analysis. 4

3. Define an Indifference map. Explain why an Indifference curve to the right shows higher utility

level.

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4. Can a consumer go beyond the budget line? 1

5. How is total utility derived from marginal utility. 1

6. Give the assumptions of consumer equilibrium in case of one commodity. 3

7. What is budget line? Give an example. 3

8. The marginal utility schedule of an individual “B” is given. Derive his total utility schedule.

Amount consumed 0 1 2 3 4 5 6 7

Marginal Utility 0 7 10 8 6 3 0 -2

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10. State the relationship between MU and TU on the basis of a utility schedule.

Units of

Commodity

Marinal Utility for

Commodity

Marinal Utility for

Commodity

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11. What happen to budget set when both prices as well as income is doubled? 1

12. If the MU derived from the commodity is greater than the price of the commodity then how it will

affect the consumption behaviour of the consumer?

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13. “With increase in consumption of the commodity, the additional satisfaction or marginal utility

decreases.” Give reasons.

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Complete the given work in your class work

A.M.S. P.OBUL REDDY PUBLIC SCHOOL HOLIDAY HOMEWORK (2016-2017)

CLASS-XII SUBJECT- ENTREPRENEURSHIP

SUBMIT CONSUMER PROJECT WORK DONE IN XI, FAIR IT AND FINAL COPY OF CONSUMER SURVEY WITH GRAPH AND PIE

CHARTS TO BE SUBMITTED ON THE RE-OPENING DAY.

GRADE XII

Practical Work: (Refer Home Science Text Book)

Unit 1: Experiment no-1 OR 2 (page no-270-271, 272)

Unit 3: Experiment No-1, 2,3,4,5 and 6 (page no-308-317)

Unit 5: Experiment No-1 (page no-330)

AMS, P.OBUL REDDY PUBLIC SCHOOL

CLASS-XII HOLIDAY HOMEWORK (2016-2017) SUBJECT-LEGAL STUDIES

1. Give the meaning of the term Bench.

2. Write a short note on District and subordinate courts.

3. Write a short note on tribunals and explain in brief how they are helpful in the administration of justice?

4. Write the differences between inquisitorial and adversarial systems of adjudication.

5. “The judiciary is regarded as an important pillar of Indian democracy”. What do you think is the major role of

judiciary in view of the above statement.

6. Illustrate with examples the various principles that are applied in the process of judicial review to decide

fairness of executive action.

7. Define movable and immovable property according to Transfer of Property Act.

8. Describe the method of transferring Property.

9. Mention the conditions to be satisfied for a valid transfer.

10. Mention with examples the doctrines that guide the transfer of property.

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AMS P OBUL REDDY PUBLIC SCHOOL

CLASS XII COMPUTER SCIENCE

Ethical hacking and ethical hacker are terms used to describe hacking performed by a company or individual to

help identify potential threats on a computer or network. An ethical hacker attempts to bypass system security

and search for any weak points that could be exploited by malicious hackers. This information is then used by the

organization to improve the system security, in an effort to minimize or eliminate any potential attacks.

Explain the impact of Ethical Hacking for Network Security in our daily life: Black Hat, Gray Hat, White Hat, Keylogger (Paper Presentation)