HOLIDAY HOMEWORK CLASS-XII

SUB:- ENGLISH CORE

  1. You want to sell your house at 15 Rajendra Nagar, New Delhi. Draft an advertisement in not more than 50 words, giving the necessary details, to be published in the classified columns of ‘The New India Express.’ You are Krishna/Alka.
  2. Environmental Degradation has become a grave problem for all the citizens of India. You are living in the capital of the nation. Encourage the residents of your city to plant more and more trees and keep the environment clean. Draft a suitable poster for it.
  3. G L Institute recently organized ‘No Tobacco’ workshop. Write a report on the same to be published in the newspaper in 150-200 words.
  4. Spurt of violence previously unknown in Indian Schools makes it incumbent on the educationists to introduce value education effectively in schools. Write an article in 150-200 words expressing your views on the need of value education. You are Anu/Aditya.
  5. ‘Brain-Drain is not a bane for a country like India’. Write a debate in 150-200 words either for or against the motion.
  6. Solve two reading comprehension passages of 200-350 words each.
  7. Draw a pen portrait of Dr. Kemp and contrast him with Griffin.(The Invisible Man)
  8. ‘Science is a threat to humanity’. Comment on the statement in context of The Invisible Man.

SUB:HINDI

1 ‘आत्म परिचय’ तथा ‘दिन जल्दी-जल्दी ढलता है” कविता का भावार्थ लिखिए |

2 भक्तिन पाठ का सारांश अपने शब्दों मे लिखिए |

3 निम्नलिखित विषयों पर निबंध लिखिए ---

1 भारत मेँ बढ़ती बेरोजगारी की समस्या

2 परहित सरिस धर्म नहि भाई

SUB:MATHS

S.No. / Base of Concept / Practice of examples / Practice of exercise
1 / Equivalence Relation
(Reflexive, Symmetric and Transitive relation) / 3,5,6 / (1.1): 5,11,12,13,14,
2 / Bijective function
(One-one and Onto function) / 12 / (1.2): 9.10
3 / Composition of function
(fog,gof fof,gog,),Invertible function / 17,22,23,25 / (1.3): 3,4,9
4 / Binary Operation
F:AXAA , commutative,associative,Identity and Inverse property / - / (1.4): 6,9,11

SUB: CHEMISTRY

  • Prepare project on given topics( individually project assigned)
  • >prepare a science model on any topic of your interest
  • >Learn all the name reactions of organic chemistry(given in NCERT book part II)
  • Learn all the distinduihing test of functional groups of organic compounds.
  • >Revise all the chapters taught to you in class.

SUB:BIOLOGY

1. Complete homework of chapters 1 to 4 and 13.

2. Complete practical notebook.

3. Learn chapters 1 to 4 and 13.

4. Prepare ppt of each chapters.

5. Complete investigatory project.

SUB:PHYSICS

1.Project work

2.Assignment in the form of Questions and Answers

(1) Magnetic effect of current and Magnetism.

(2) Electromagnetic induction and alternating current.

(3) Unit –test Question paper.

SUB:COMPUTER SCIENCE

Solve monthly test Question Paper

(1) What are the major differences between Object Oriented Programming and Procedural Programming?

(2) Define Abstraction, Inheritance, Polymorphism and Encapsulation giving examples.

(3) Differentiate between Call-by-value & call-by-reference, giving suitable example of each.

(4) What is the significance of access labels in a class?

(5) Differentiate between a run-time error & syntax error. Give an example of each.

(6) What do you understand by function overloading? Give an example illustrating its use in a C++ program.

(7) What is the similarity between a typedef name and a reference name? What is it?

(8) Define a class worker with the following specification:

Private members of class worker

wname25 characters

hrwrk, wgrate float(hours worked and wagerate per hour)

totwagefloat(hwrk * wgrate)

calcwg( )A function to find hrwrk * wgrate with float return type

Public members of class worker

in_data( )a function to accept values for wno, wname, hrwrk, wgrate and invoke

calcwg( ) to calculate totpay.

out_data( )a function to display all the data members on the screen you should

give definitions of functions.

(9) Define a class Clothing in C++ with the following descriptions:

Private Members:
Code of type string
Type of type string
Size of type integer
Material of type string
Price of type float
A function Calc_Price() which calculates and assigns the value of Price as follows:
For the value of Material as “COTTON” / Type Price (Rs.)
TROUSER 1500
SHIRT 1200
For Material other than “COTTON” the above mentioned Price gets reduced by 25%.
Public Members:
A function Enter () to input the values of the data members Code, Type, Size and Material and invoke the CalcPrice() function.
A function Show () which displays the content of all the data members for Clothing.