Subject
English
Subject:
English
Core(301)
Maths
Physics
Chemistry
D.A.V. Public School, Bhagalpur
Holiday Homework
Std. –XII
Contents
1. In all big cities road rage has become a serious problem. A minor
scratch, a little push, or a small burning past can lead to a scuffle.
Sometimes resulting even in murder. Write a letter in 120-150 words to
the police commissioner giving your views on the problem and its
solutions. you are Karuna / Karan M114, Mall Road, Delhi.
2. Write the questions and answer from chapter 1 ( The last lesson) and
chapter 2 (The lost Spring)
3. Read the novel 'The invisible man' chapter 1to 5 and write its review.
Textual questions
Relation & Functions (NCERT)
Ex– 1.1, 1.2……up to Miscellaneous Exercise.
Inverse Trigonometric Function
Ex– 2.1 to Miscellaneous Exercise.
Matrices
Ex– 3.1 to Miscellaneous Exercise. To be solved in a separate copy.
Electrostatics – 11 questions carry 3 marks and 5 marks.
Numerical – 18 NCERT Chapter end questions.
Electric Potential and Capacitor -21 questions carry 2 marks, 3 marks and 5 marks.
Numerical – 10 NCERT Chapter end questions.
Current Electricity -12 questions carry 3 marks and 5 marks.
A. Write Short Notes On The Following1.Finkestein Reaction
2.Swart's Reaction
3. Nucleophiic Substitution Reaction With Its Types
4.Marckownikov's Rules
5.Kharash Effect/Peroxide Effect
6.B Elimination Reaction/Dehydro Halogenations
7.Wurtz Reaction
8.HaloloalkanesAndHaloarenes
9.Diarotisation Reaction
10.Sandmayer's Reaction
11.Gattermann's Synthesis
12.Dow's Process
13.Saytreff's Rule
14.Wurtz fitting Reaction
15.Fitting’s Reaction
16.Ulmann’s Reaction
17.Friedel Craft’s Reaction
18.Reasonof Resonance Effect
19.Hunsdicker’s Reaction
Explain the following term
1. Retention of configuration
2. Racemization
3. Immersion of configuration
4. Diastereomers
5. Asymmetric Carbon
6. Symmetric Carbon
7. Asymmetric or chiral molecule
8. Symmetric or achiral molecule
9. Enantiomers
10. Optical activity
11. Dextero and laevo rotator
12. Racemic mixture
13. Resolution of racemic mixture
14. SN1 and SN2 mechanism.
Write all the intext question answers of Unit-2 (Solution) and
Unit(10) haloalkanes and haloarenes.
Do practice for all the numerical of solution (Unit-2)done in the
classroom during teaching.
Biology
A) Learn and write the answer of the following questions.
1. which is a better mode of reproduction sexual or asexual ? why.
2. Differentiate between a zoospore and a zygote.
3. Identify eacg part in a flowering plant and write whether it is haploid (n)
or Diploid (2n).
a) ovary b)Egg c)Male gamete d)Anther e) pollen f) Zygote
4. Describe the post fertilization changes in a flower.
5. What is meant by emasculation ? When and why does a plant breeder
employ this technique.
6. With a neat labeled diagrame of the following.
a) typical angiosperm ovule b) L. S. of an embryo of grass c) Male
reproductive system d) female reproductive system e) sectional view of a
seminiferous tubule f) structure of a sperm.
7. Differentiate between Monocot seed and Dicot seed.
8. Describe the functions of the following.
a) Epididymis b) Vas deferens c) Seminiferous tubules d) Vagina e)
Trophoblast
9. Distinguish between spermatogenesis and oogenesis.
10. What is menstruation ? What are the specific action of FSH, LH
estrogen and progesterone in the menstrual cycle ?
B) INVESTIGATORY PROJECTS
TOPICS- Preparation and Maintenance of Aquarium
Or
Effect of antibiotics on microorganisms
Or
Competition between Weeds and crop.
Or
Effect of fertilizers on rate of germination.
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Computer
On line learning cum Test through Google forms. (Computer Networks)
https://drive.google.com/open?id=18pnORRBJdzRdNVWQIodLf0FmfS4VtPZLqcEmelrxLOQ
Economics
1.
2.
a)
b)
c)
d)
3.
4.
5.
1.
2.
3.
4.
Accountancy
Section A
Answer the following questions :Distinguish between Stock and flow ? How income is flow and
how flow of income is circular ?
Classify the following into intermediate goods and final goods
and give reason for answer :Milk purchased by householders.
Purchase of rice by retailer from whole seller .
Purchase of AC for personal used .
Cloth used for making Sofa set by carpenter.
Describe the economic value of distinguish between gross
investment and net investment.
Explain Circular flow of money in four sector economy . With
help of diagram.
Solve 30 problems related to GDP, NDP, NNP, at Market Price
and Factor Cost.
Section B
Explain the problem of What to produce with the help of
Production Possibility curve ?
Why does PPC looks Concave to origin ? In which case PPC is
straight line ? Explain with help of diagram .
a)Explain
the concept of Marginal Rate of Substitution .
b) Budget line equation with help of numerical example . c)
Explain the reaction of consumer when MRS is higher than ratio
prices .
Solve fifty problems related to Elasticity of Demand.
Solve at least 5 questions out of the following topics: (Descriptive questions)
Prescribed book: NCERT
Reference book: T.S.GREWAL
1.ACCOUNTING FOR PARTNERSHIP FITMS:FUNDAMENTALS:
(i) Rules Applicable in the absence of partnership Deed.
(ii) Ascertainment and Distribution of profits among partners(through
profit and loss appropriation Account)
(iii) Capital Accounts of partners:
(a) Fixed
(b) Fluctuating
(iv) Calculation of interest on partners’ Drawings
(v) Interest on partners’ capital
(vi) Calculation of capital ratio
(vii)
Partners’ salary or commission
(viii) Managers’ commission
(ix) Interest on partners’ loan
(x) Past adjustments: Detection and correction of errors
(xi) Guarantee of minimum profit to a new partner.
2.GOODWILL-Nature and Valuation
(i) Methods for valuation of Goodwill
(a) Average profit method
(b) Super profit method
(c) Capitalization of super profit method
(ii) Treatment of Goodwill.
3. RECONSTITUTION OF A PARTNERSHIP FIRM
BST
*change in the profit sharing Ratio
(a) Adjustments in profit-sharing ratio
(c) Treatment of existing Goodwill
(d) Adjustment of reserves and accumulated profit or loss
(e) Accounting for revaluation of assets and re-assessment of liabilities
(f) Preparation of Balance sheet of the Reconstitute firm.
4. Admission of a New Partner
(i) Calculation of New Profit Sharing Ratio and Sacrificing Ratio.
(ii) Accounting treatment of specific Reserves and Deferred Expenditures.
(iii) Adjustment of old partners’ capital accounts on the basis of
capital brought in by the new partners and his share.
Prescribed Book: NCERT
Reference Book: Poonam Gandhi/ V.Wason
(A) Make notes on the following chapters:
1. Nature and significance of management
2. Principles of Management.
(B) Solve with question at least 2 Evaluation and Multi-Disciplinary
question
Based on Case Studies out of the following topics:
Topics:
(i)
Efficiency and Effectiveness.
(ii) Objectives
(iii) Levels of management
(iv) Coordination
(v) Science, not rule of thumb
(vi) Harmony, not discord
(vii) Cooperation, not individualism
(viii) Development of workers to their greatest efficiency and prosoerity.
(ix) Functional foremanship
(x) Standardization and simplification of work
(xi) Method study
(xii) Motion study
(xiii) Time study
(xiv) Fatigue study
(xv) Principle of division of work
(xvi) Authority and Responsibility
(xvii) Principle of Discipline
(xviii) Unity of command
(xix) Subordination of individual interest to general interest
(xx) Centralization and Decentralization
(xxi) Scalar chain.