DASHMESH PUBLIC SCHOOL
HOLIDAY HOME WORK
SUBJECT: CHEMISTRY
CLASS: XII
General Instructions:
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Tasks under this activity should be done in related Subject Notebooks.
Attempt this task neatly & decorate it beautifully.
This activity carries weightage in Internal Assessment sent to CBSE.
1. Research and Projects:
Make a Power Point Presentation on the following topics: (According to the Roll No’s).
a. Close packed structures of crystalline solids (Roll No. 1-6).
b. Imperfections in solids (Roll No. 7-12).
c. Electrical and Magnetic properties of solids (Roll No. 13-18).
d. Solubility (Roll No. 19-24).
e. Vapour pressure of liquid solutions (Roll No. 25-30).
f. Ideal and Non Ideal solutions (Roll No. 31-36).
g. Osmosis and osmotic pressure (Roll No. 37-43).
h. Electrochemical cell (Roll No. 44-48).
i. Batteries (Roll No. 49-54).
2. Investigatory Projects: (According to the Roll No’s)
a. Study of oxalate ion content in Guava fruit. (Roll No-1,9,17,25,33,41,49)
b. Study of quantity of casein present in different sample of milk. (Roll No-2,10,18,26,34,42,50)
c. Preparation of soyabean milk and its comparison with the natural. (Roll No3,11,19,27,35,43,51)
d. Study of the effect of potassium bisulphate as food preservative under various conditions
(Temperature, Concentration, Time, etc). (Roll No-4,12,20,28,36,44,52)
e. Study of digestion of starch by salivary cemylase and effect of PH and temperature on it.
(Roll No-5,13,21,29,37,45,53).
f. Comparative study of the rate of formation of following material (Wheat flour, gram, flour,
potato juice, carrot juice, etc). (Roll No-6,14,22,30,38,46,54).
g. Extraction of essential oils present in saunf (aniseed), Ajwain, Illaichi (Roll No7,15,23,31,39,47)
h. Study of common food adulterants in Fat, oil, butter, suger, turmeric powder, chilli powder
and pepper. (Roll No-8,16,24,32,40,48)
Note:
 Do the assignment in your Chemistry Notebook.
 Read Chapter 4 & 5 attempt the questions based on these chapters.
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SUBJECT: BIOLOGY
Search the internet and find out how tissue culture is used to conserve the rare and
endangered plants. Prepare a report on it.
Observe few flowers in a grand and compare and contrast the structure and function of the
flower parts studied. What are the structured similarities among the flowers? What functions
do they have on common.
Search the internet and find out how evolution has occurred in stages. Make a PPT on the
subject.
Make a poster for display in public place to create “Aware on River Pollution”
Visit a center where AIDS patients or their children are living. Collect information about.
a. How they acquired the disease?
b. Their symptoms/suffering.
c. Any medicine they are given etc.
PHYSICS
(1) Show the working by making slides on the following topics-:
Roll No 1-10- Capacitors
11-20- Capacitors with dielectric slab
21-30- Van de Graff generator
31-40- Meter bridge
41-53- Verify Kir choff’s laws by taking different examples of circuits.
(2) Complete your project $ practical file
(3) Revision of completed syllabus.
ENGLISH
Business Studies
Make a hand written two project reports.
1. Project 1
By carry out survey by visiting the business units related to any topic from the book (except Marketing
Management) selected for he project, collect information, analysis & record important data.
A. Stages in project work are:1. Selection of topic – The student will select a suitable topic for the purpose.
2. Planning the project – After selecting the topic, student must plan the data he/ she will require the
information & specify questions which is to be asked from various officials of business unit.
3. Execution of the project- The student will visit the business unit & collect the data or information planned to
collect.
4. Analyses of data – The student will analyses & systematically arrange all the data & information which is
being collected.
5. Preparation of project report of 25-30 pages – In project report present the analyzed information in a
systematic manner & write the conclusion drawn.
2. On the topic – Marketing Management Guidelines.
A. You will introduce your own product and follow all the aspects of topic ‘Marketing Management’. On
completion of your research, prepare a project report & submit at after vacation.
Procedure
1. Topic – to be decided with the objective whose marketing may be most profitable?
2. File Cover – Creative attractive and according to the topic.
3. Cover Page with title of the project, Name, Board Roll no; Class, School Name, year.
4. Index (List of contents)
5. Acknowledgement
6. Certificate
7. Introduction of the Topic / Product
8. Aim
9. Work plan & Methodology
10. Observation & Data Analysis , Photographer (if any)
11. Questionnaire
12. Conclusion (summarized suggestions or findings
13. Reference & Bibliography
Note: The total length of the project should be of 30 – 35 pages.
ACCOUNTANCY (B+C)
Q1. Frame any Comprehensive problem for your project and prepare-:
(a) Journal
(b) Ledger Accounts
(c) Cash Book
(d) Trial Balance
(e) Trading $ Profit and Loss Account
(f) Balance sheet for the same
Q2. Do all practical questions of Chapter 1 and 4 from NCERT book
Q3. Revise all syllabus.
INFORMATICS PRACTICES
Design an E-Learning application that asks quiz in the shown format, where questions and their
possible answers are shown (In multiple choice format). If the user selects/ clicks the correct answer,
his/her score should be updated otherwise, a clue or a correct answer should be displayed to help the
user. (Put at least 10 questions). Decide about the interface design, its controls and features on your
own.
Question
Name the tallest and the fastest bird in the world. Its egg is also the largest of any other
bird.
A. Eagle
B. Ostrich .
C. Flamingo
Score
D. Penguin
HINDI
Hindi Assignment Sheets
PYSICAL EDUCATION
(1)Complete the Practical File
(2) Athletic- History of Athletic
-Make a standard track of 400 meter
- Running, Jumping and Throwing events
(3) Game- Any one of your choices
- History of the game
- Diagram of field court
- Terminology (Any four)
- Skills (Any four)
- Rules (Any four)
(4) Yogasana- Elements of yoga
- Asana (Three of sitting position and three in standing position)
(5) Photo Gallery
SOCIOLOGY
Q1. Prepare a power presentation on the topic given below-:
Topic-: Pls see the roll no wise allotted topic list attached along with the Homework
Instructions-(a) Conduct interviews, Surveys, pen down your observation and then make slides
(b) With the help of your presentation prepare a beautifully decorated project file. (This should be hand
written. Typed or printed sheets will not be considered)
(c) Project file should be made in the given sequence(1) Cover page with title
(2)Index
(3)Introduction
(4) Rationale
(5) Acknowledgement
(6) Certificate
(7) Methodology
(8) Observation $ Data Analysis
(9)Practical Applicability or Future aspects
(10) Limitations
(11) Conclusion/ Suggestions
(12) Bibliography
(13) Biography of Social Reformers
Q2. Upload your presentation on you tube (Prior to upload get it sanctioned by emailing it at pavi_narang@yahoo.com)
Q3. Read and practice lesson 2, 3$ 4 from textbook ‘Indian Society’ and lesson 1 $ 2 from ‘Structural
Changes’ with the help of notes and worksheets uploaded on your I Guardian account. Solve these
worksheets and paste them in your sociology notebook.
Note-: Class Test based on these lessons will be conducted after vacations.
Topics for Project Work ( allotted Roll No. wise)
(1) Problem of Dowry in India
Roll No 1,40
(2) Rising Corruption
Roll No 2,41
(3) Problem of Rash Driving Among Teenagers
Roll No 3,42
(4) Social Networking Sites $ their impact on society Roll No 4,43
(5) Peer Pressure
Roll No 5,44
(6) Female Foeticide
Roll No 6,45
(7) Slums in east Delhi
Roll No 7,46
(8) Women Safety
Roll No 8,47
(9) Role of Communication Media in Social life-: Newspaper $ Magazines Roll No 9,48
(10) Role of Communication Media in Social life-: Television
Roll No 10,49
(11) Role of Communication Media in Social life-: Internet
Roll No 11,50
(12) Role of Communication Media in Social life-: Telephone and Mobiles Roll No 12
(13) Is Use of Public Spaces Justified
Roll No 13
(14) Peer Pressure
Roll No 14
(15) Development of Tourism in India
Roll No 15
(16) Status of Women in Indian Society
Roll No 16
(17) Political Instability in India
Roll No 17
(18) Women Co-operatives and Power Re-distribution in Rural India
Roll No 18
(19) Child Health care and Infant Mortality in India.
Roll No 19
(20) Begging-: A thriving Occupation
Roll No 20
(21) Child Labour
Roll No 21
(22) Alcoholism among Indian Men-: Prevalence $ Effects
(23) Public Transport-: Metro
(24) Changing aspirations of school children
(25) Are co-educational Institutions better
(26) Relationship between parents and children
(27) Attitude towards Adoption
(28) Impact of Advertisements on Teenagers.
(29) Smoking among Teenagers
(30)Health Development challenges in India
(31) Sexual Abuse and Violence in India
(32) Conditions of roads in rural areas and their impact on Employment,
Productivity and Welfare activities
(33) Rising Divorce Rates in India
(34) Gender Discrimination
(35) Road Rage among Teenagers
(36) Politicizations of Religion in Modern India
(37) TV serials and children
(38) RISING POPULATION-: It’s Impact on Economic Growth
(39) Rising cost of Food Prices and Food Adulteration
Roll No 22
Roll No 23
Roll No 24
Roll No 25
Roll No 26
Roll No 27
Roll No 28
Roll No 29
Roll No 30
Roll No 31
Roll No 32
Roll No 33
Roll No 34
Roll No 35
Roll No 36
Roll No 37
Roll No 38
Roll No 39
SUB : SOCIOLOGY ( Assignment 1)
Complete the following statements in about 30-40 words1.
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Two structural changes brought about by Colonialism are ……………..
Endogamy can be defined as………………………..
Hundi played an important role in traditional trading system because…………………….
Modernization refers to…………………………..
The ‘Invisible Hand’ according to Adam Smith is…………………..
Dominant caste is the term used to refer to …………………………..
An ‘Absentee Landlord’ is………………………….
Two reasons for decline in Sex Ratio in some of the prosperous areas are………………….
Sanskritization refers to ………………………………
De-Sanskritization refers to ………………………….
According to M.N. Srinivas Westernization means…………………..
Two basic features of Capitalism are ……………………
Globalization of culture refers to ………………………
Purity & Pollution refer to …………………….
Proprietary Caste Group refers to…………….
Steps taken by Colonial rulers for smooth functioning of their rule were…………………..
Colonial rule shaped and strengthened the institution of Caste in India by ………………
Key features of a social movement are …………………………………
Caste means……………………
Social Structure refers to………………………
Key features of ‘Ascriptive Identity’ are………………….
Support prices mean……………….
Globalization of Finance means………………….
Home based industry refers to……………………….
Globalization refers to …………………………..
Jajmani system refers to ………………..
Developed country is a country…………………..
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Developing Nation means……………
3 examples of Tribal political institutions are………………………..
Tribal Political Institution means……………………….
Nuclear Family means………………….
Extended family refers to…………………
Tribes have been classified on the basis of …………………..
Globalization affects us all but it affects us differently because……………..
Laissez Faire refers to…………………..
Two examples of Dalit Social Movement are …………….
The changes that have taken place in the Indian Industry as a result of Globalization are……………………..
SUB : SOCIOLOGY ( Assignment 2)
Answer the following questions in about 80 words:
1. Explain commodification with the help of suitable examples.
2. What do you understand by term ‘Status Symbol?’ Who coined this term? Explain the term with the help of
suitable examples.
3. How is Globalization a threat to indigenous craft and knowledge system? Explain with the help of examples.
4. Do you agree with the statement that ‘With Globalization there emerged a new international division of labor.’
5. ‘National Development has benefitted the mainstream at the expense of the tribal population.’ Comment.
6. Explain Commoditization with help of examples.
7. What changes has Westernization brought about in Indian Society?
8. How can tribes be classified on their permanent traits?
9. How can tribes be classified on their acquired traits?
10. How do markets work in the modern capitalist economy? Explain in context of what Adam Smith has said.
11. How can the families be divided on the basis of ‘residence’ & ‘inheritance’?
12. How did Colonialism affect the Indian Economy?
13. In what ways did capital rule strengthen and shape the institution of caste in India?
14. In what ways can change into social structure lead to change in family structure?
15. Describe some of state initiatives addressing caste and tribe discrimination?
16. How is Colonialism different from other forms of conquests?
17. Define Westernization. Describe some of its forms.
18. Highlight the role of colonialism in the emergence of new business communities with the help of any one example.
19. Compare and contrast the socio economic conditions of tribals before & after Independence.
20. A) What are the main arguments made for and against Liberalization.
B) Explain the economic policy of Liberalization.
21. A) Write a note on Tribal Movement with special reference to Jharkhand.
B) What were the issues against which the leaders of the movement of Jharkhand agitated?
22. The institution of caste underwent major changes from colonial times to the present day. Explain.
23. What are the major issues of concern of adivasis today?
24. ‘Nation states became the dominant political form during Colnialism.’ Explain.
25. How does sociological perspective on market differ from an economic one?
SUB : SOCIOLOGY ( Assignment 3)
Answer the following questions in about 200 words1.
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Explain the structural changes seen during Colonial Period.
Explain the most commonly cited defining features of a caste system
How do caste and kin networks contribute to the success of a business. Explain through illustrations
What are the changes Globalization has brought about in International Political Environment?
Write three different ways in which the Indian Economy changed after the advent of Colonialism.
State and discuss the different aspects of modern change in Colonial India.
How has Sanskritization as a concept been criticized?
Highlight the source of conflict between National Development & Tribal Development.
In agrarian societies, periodic markets are a central feature of social and economic organizations. Explain.
How many caste and kin networks contribute to the success of a business?
What are some of he rules that caste system imposes?
A) What are the factors behind the assertion of Tribal Identities today?
B) Explain the main factors influencing the formation of Tribal Identity today.
FINE ARTS
Practice Makes Man Perfect- Practice daily in your sketch file-:
(a) Human figure (Full form, Male, Female $ kids)
(b) Features in different position (Front Face, Profile $ 1/3 Position) (Eyes, Nose, Lips $ Ears)
(c) Hand $ Leg movements
(d) Human figures in different movements- Running, Sitting, Walking, Talking, Playing and
Reading
(e) You should practice daily at least two pages.
2. (a) Complete five colorful Pictorial Composition in half imperial size.
(b) Draw minimum two human figures in composition.
Topics- National and Religious Festivals, Daily life any sports, Natural Scene and others.
Home Science
1. Spend a day with aged person and observe the needs and problems of him/her write a
report on it.
2. Write the names of adulterants present in cereals, pulses, milk, fats and oils, sugar, honey,
spices and write down the effects of adulterants present in food like kesari dal, metanil
yellow, argemone seeds.
3. Prepare and practice two dishes each based on Nutritive value i.e. high protine, high iron and
write down the importance of fiber in diet.
4. Visit any two places (home/restaurant/business center etc) and evaluate its water portability
and hygiene.
5. Practice sample of Hemming, Running stich, Button, Hooks etc
MATHS