CLASS – 12
TH
principal
(Royal public school )
Happy holidays !!!
ENGLISH
1. Reading and writing worksheet of ‘Bravia ‘
2. Make a scrap file of advertisements from news paper .
3. Learn whole syllabus done till May .
HINDI
अधिन्यास :प्र . १ निम्िलिखित प्रश्िो के उत्तर दीजिए :
1. भजतति की पारवाररक पष्ृ टभलू ि का पररचय दीजिए ?
2. भारतीय ग्रािीण सिाि िें िड़के - िड़ककयों िें ककए िािे वािे भेद – भ|व का उल्िेि कीजिए ?
3. 'भजतति ' के आधारपर बताइए की हिारा सिाि ववधवा के साथ कैसा व्यव्हार करता है ?
4. भजतति भोिि के संबध
ं िें कैसा व्यव्हार करती थी ?
5. िेिक िे ककस बािार को िािवता के लिए ववडंबिा कहा है और तयों ?
6.
7.
8.
पैसे की व्यंग्य शजतत पर टटप्पणी कीजिए ?
भजतति ' और िहादे वी विाा के िािो िें तया ववरोधाभास था ?
िेिक िे बािार को ' िाद ू ' तयों कहा है ?
9. पािी की बव
ु ाई ककसे कहा गया है ? आप इसे ककतिा सच िािते है ?
10. िट्
ु टि लसंह को पहिवाि बििे की प्रेरणा कैसे लििी ?
11. िट्
ु टि लसंह को रािपहिवाि बिािे पर राि पंडडत और िैिेिर िे उसका ववरोध तयों ककया ?
12.
िट्
ु टि पहिवाि िे सवााधधक टहम्ित कब टदिाई ?
13.
चािी की किल्िो के सारभौलिक होिे का तया कारि था ?
14.
चािी का चररत्र दशाको को ' िैं ' की िहीं ' हि ' की प्रतीनत करता था कैसे ?
15.
'ििक ' कहािी िें ििक की पडु ड़या इतिी िहत्वपण
ू ा तयों हो गई है ? कस्टि अधधकारी उसे िौटते हुए भावत
ु क तयों हो उठा ?
16.
िेिक िे गांधी और लशरीष की ति
ु िा तयों की है ?
17.
िेिक िे दे श के परु ािे राि िेताओं पर तया टटप्पणी की है ?
18.
लशरीष वक्ष
ृ िंबे सिय तक् तयों िुिा रहता है ?
19.
िेिक का िोककतंत्र से तया आशय है ?
20.
िन्ििात धंधो िें िगे श्रलिक कायाकुशि तयों िहीं बि पाते ?
21.
आधुनिक तकिीकी और ववकास ककस प्रकार िात - प्रथा के साििे चिानतया िड़ी करते है ?
प्र .२
1. चड्डा कौि है ? वह यशोधर से कैसा व्यवहार करता है और तयों ?
2.
यशोधर बाबू अपिे घर की िुशहािी िें भी उदास और निराश तयों थे ?
3.
यशोधर बाबू िे अपिे िीवि िें िकाि तयों िहीं बिाया ?
4.
िड़की की ड्रेस के िाििे िें यशोधर और उिकी पत्िी की राय तया थी ?
5.
पाठशािा पहुंचकर िेिक को ककि परे शानियों का साििा करिा पड़ा ?
6.
िेिक प्रनतभाशािी और बद्
ु धधिाि बािक है - लसद्ध कीजिए ?
7.
वसंत पाटीि को था ? उसकी िेिक से दोस्ती कैसी और तयों बािी ?
8.
िंत्री
9.
िेिक पढ़िा तयों चाहता था ?
10.
िहाकंु ड को पववत्र रििे के लिए तया - तया प्रयत्ि ककए गए थे ?
11.
िोआिोदड़ो की सभ्यता का सबसे अिग सभ्यता कहिे का तया औधचत्य है ?
12.
िोआिोदड़ो िें रं गरे ि का कारिािा , भी था - प्रिाखणत कीजिए ?
13.
टहटिर और सैनिक की बातचीत का िख्
ु य ववषय तया होता था ?
14.
िोग यहूटदयों को ककस प्रकार पहचािते थे ?
15.
अज्ञातवास िें रहते हुए अं फ्रैंक और उसके पररििों का सािटू हक िीवि कैसा हो गया था ?
प्र .३
पोस्टर बिाओ : राििीनत के बदिते चहरे पर
िािक अध्यापक की ववशेषताए बताते हुए बताइए की उन्होंिे िेिक को ककस प्रकार बढ़ावा टदया ?
घ निम्ि ववषय पर अपिे ववचार लिखिए :
1. बेटी बचाओ , बेटी पढ़ाओ
ड
2. लशक्षा का बदिता रूप
पोस्टर बिाओ : बढ़ती िहं गाई
3. प्रकृनत आपदा
4. ककसाि की जस्थनत पर
CHEMISTRY
Revise and learn 5 units , also do the last 10 years questions of CBSE Board of these 5 units .
 Solid state
 Solution
 Electrochemistry
 Chemical kinetics
 Surface chemistry
PHYSICS
 Revision of 1st and 2nd units .
 Numerical of 1st and 2nd units from NCERT solved + unsolved .
 Revision of given assignment .
MATHS
 Do the given assignment .
 Revise the syllabus done in class .
 Draw a chart on comparing the integration and derivation .
BIOLOGY
1. Prepare the investigatory project on any good topic .
2. Prepare yourself for the seminar of any topic of your choice.
3. Revise the covered syllabus UNIT I , UNIT 5, HUMAN HEALTH & DISEASE & MICROBES IN HUMAN
WELFARE.
5 Practice & learn the given assignments before holidays.
6 Complete the experiments in lab manual.
Answer the questions (BIOLOGY NOTEBOOK)
1. Name the type of cells that produce antibodies? [1]
2. Give the scientific name of causative germ of elephantiasis? [1]
3. Name the fish that help in eradication of mosquito larvae. [1]
4. Enumerate the two properties of cancer cells that distinguish them from normal cell.[2]
5. What are allergens? How do they cause inflammatory response inside human body?[2]
6. What are autoimmune diseases? Give two examples? [2]
7. What are carcinogens? What are the different types of carcinogens? Also mention the different methods of
treatment of cancer?[3]
8. Describe the ill – effects of drug abuse in males & females. Also mention the preventive measures that is to
be taken to reduce such effects.[3]
9. With the help of a well – labelled diagram, Describe the life cycle of malarial parasite.[5]
1. Name any two fungus which are used in production of antibiotics? [1]
2. Expand LAB? [1]
3. Name any two free – living nitrogen fixing bacteria. [1]
4. Name the organism used in the dough for making bread. [1]
5. Name the fungus used as a biocontrol of plant diseases. [1]
6. Name any two gases produced during secondary treatment of Sewage? [1]
7. A farmer adds Azotobacter to the soil before sowing maize. How does it increase the yield of maize?[2]
8. Mention the dual functions of LAB that are useful to man? [2]
9. What are methanogens? Give an example. [2]
10. What is the key difference between primary & secondary sewage treatment. [2]
11. Microbes can be used to decrease the use of chemical fertilizers & pesticides. Explain how can this be
accomplished?[3]
12. How do Biofertilisers enrich the fertility of soil? How does cyanobacteria acts as biofertiliser?[3]
1. Name two most biodiversity rich zones of India? [1]
2. Expand : i) – WWF
ii) - IBWL[1]
3. What is cryopreservation? [1]
4. Sometimes introduction of an exotic species upsets native species of the ecosystem. Substantiate the
statement with the help of an example?[2]
5. What do you mean lay species diversity? Name two measures of species diversity?[2]
6. What are sacred grooves? What is their role in conservation? [2]
7. What do you mean by IPR. What are the drawbacks of IPR. [2]
8. Why is it necessary to conserve biodiversity? [3]
9. What is the relation between species richness & area? What is the
significance of slope of regression?[3]
10. What are the different approaches for biodiversity conservation in India? [3]
1. What is the ecological principle behind biological control method of managing pest insects.[1]
2. Write the equation for verhulst – poarl logistic growth of population. [1]
3. Name the mechanism employed by ophrys to get its flowers pollinated? [1]
4. List any two factors which determine the nature of soil? [1]
5. What role do predators play in an ecosystem? [2]
6. Most living organisms cannot survive at temperature above 450c. How are some microbes able to live in
habitat with temperature exceeding 1000c.[2]
7. Give below is a graph depicting organismic response to changing external condition. Name the type of
organisms which will show:i) pattern A
ii) pattern B[2]
8. Mention any two ways in which organisms tide over unfavourable
conditions by suspending their activities.[2]
9. Why are predators “prudent in nature? [2]
10. Study the three representative figures of age of pyramid relating to human
population & answer the following question.
i) Mention the given to the three binds of age profile (a), (b) and (c)
ii) Which one of them is ideal for a population & why.
iii) How do such age – profile helps policy making concerned about
our growing population & prepare for future generation.
11. In the adjacent population growth curve :i) What is the name given to curve (a) & (b).
ii) What is the status of food & space in the curve (a) & (b).
iii) In absence of predators, which curve “a” or “b” would appropriately depict the prey population?
iv) When does curve ‘b’ changes into curve ‘a’.
1. Name two climatic factors that regulate decomposition? [1]
2. What is sere? [1]
3. Name the primary consumers in aquatic ecosystem? [1]
4. Name the pioneer species in the primary succession on rock? [1]
5. List the factors on which pioneer species depend during secondary
succession? [2]
6. The productivity of ecosystem increases from polar regions towards
tropics. Why? [2]
7. Mention some of the ecological services provided by forests? [2]
8. Differentiate between food chain & food web? [2]
9. What is pyramid of biomass? Represent the pyramid of biomass in
i) grassland ecosystem
ii) aquatic ecosystem.[3]
10. Represent schematically & describe carbon cycle in ecosystem?[5]
1. Which types of uv-radiations are lethal to organisms? [1]
2. What is meant by snow blindness? [1]
3. Why should unleaded petrol be used in automobiles with catalytic
converter?[1]
4. Name the most widely used method of removing particulate matter? [1]
5. What is the expected rise din the global temperature by the year 2010? [1]
6. What is photochemical smog composed of? How does this affect the
plants?[2]
7. What can be the effect of discharging hot water into water body on the organism in it?[2]
8. How defunct ships do contributes to solid wastes? [2]
9. What is Eutrophication? Explain its consequences on the life of plants & animals living in such water?[3]
10. Describe the different components that compose solid wastes? [3]
11. Discuss the various effects of Deforestation? [3]
POLITICAL SCIENCE
 Do the given 5 assignments .
 Fill map of India .
 Learn chapter – 5 , 6, 7 , 8 for unit test –II
ACCOUNTANCY
 Chapter – 1 (Fundamentals) : Do question no . 72 , 78 , 89 , 98 , 41(a) , 6 .
 Chapter -2 (Change in profit sharing ratio ) : Do question no – 6 , 12 , 13 , 17 , 18
 Chapter no – 3 (Admission of a partner ) : Do ques. No – 16 , 23 , 64 , 74 , 59
 Chapter no -4 (Retirement of a partner ) : Do ques. No – 38 , 42 , 45 , 288 , 31 .
 Do the given assignment .
BUSINESS STUDIES
Learn unit – 1 to 7 complete and write the answer of all question given below.
1. Which quality of employee is restricted by the act of planning?
2. After change the govt. policies, foreign companies like coca-cola prohibited working In India.
These steps of the govt. heave boosted which values?
3. Tobacco manufacturer is planning to sell its products outside the school and colleges. Which
values are violated here from your point of view?
4. In an organization top level management has not distributed work among the subordinate
according to their abilities and skill but has been distributed on the basis of caste and religious.
Which values are neglected here?
5. In an organization formal organization is followed strictly where the employees have to work as
per the directions only. The employees are performing under pressure. In your view, what changes
are required in this company?
6. A personnel manager while selecting new employees appoints only those persons who fulfill his
personal requirement directly or indirectly. Which values are violated here?
7. Explain the process of motivation with the help of diagram?
8. Explain the steps in the process of selection of employees?
9. “Some learning opportunities are designed and delivered to improve skills and abilities of
employees whereas some others are designed to help in the growth of the individual in all
respects” Identify and explain the two concepts explained above.
10. What is meant by internal sources of Recruitment? Why do organizations prefer recruitment
through internal sources? Explain.
ECONOMICS
 Learn all the units of Microeconomics done in class .
 Do the given assignment based on chapter – 3 , 4 , 5 , 6 , 7
HISTORY
 Do the given assignments .
 Fill map of India .
 Learn UT-II syllabus lesson – 3 , 4 , 5
 Prepare a report on historical places and also paste or draw the pictures .
 Make a project file on the given topics according to roll no .
 Roll no . 1 – 6
: bhakti soofi paranparaein
 Roll no . 7 – 12
yogiyon ke nazarie or samaaj ke bare me unki samajh .
 Roll no. 13 – 18
mahaatma Gandhi or rashtreeya aandolan