Panchsheel Park (South), New Delhi - 110017
SUMMER VACATION ASSIGNMENT 2012 CLASS – XII ENGLISH
1. Revise the lessons and poems done in the textbook ‘Flamingo’ and ‘Vistas’ and complete the written assignments. 2. Advanced writing skills: (a) Write an article of about 200 words on ‘The future of Information Technology’. (b) Draft creative posters on ‘Your New School Canteen’ and ‘Advantage of the Summer Season’. (c) Read the newspaper daily and gather information on current affairs. Paste some important articles related to corruption, environment, teenage problems, and evolution of Indian cinema (that is completing 100 years) in a scrapbook for reference.
PHYSICS
1. Make a rough draft of the investigatory project allotted/ chosen by you. 2. Complete the worksheets given to you
CHEMISTRY
1. Make an investigatory project on the topic assigned to you. 2. Solve chemistry assignments given for the chapters taught in the class.
BIOLOGY
1. Make an investigatory project allotted to you. 2. In an experiment on sweet pea (lathyrusodoratus) a cross was made between two plants one having purple flower and the other having white flowers. In f1 generation all the plants had purple flowers and in f2 generation, it was a modified mendelian ratio. Work out the cross using a punnet square. Give the phenotype ratio and explain the inheritance to the same. 3. Prepare a chart showing topic related to UNIT reproduction in animals. 4. Prepare for your forthcoming examination.
MATHEMATICS
1. Differentiate w.r.t x √ √ 2. If ( ) = log √ =
Prove that 3. Diff. w.r.t x
} } 4. If y√ Prove that 5. If Prove that 6. Find if = 7. Differentiate 8. If y = Sinx = w.r.t , show that = = log√ ) + xy+1 = 0
9. If y = - ( 10. If x= a( Find
prove that )- =0 , y = a(1+cos
11. Verify Rolle’s Theorems for the functions f(x) = + 16x – 12 in [2,3].
12. Verify Rolle’s theorem for the functions f(x) = ( ( in [-1,2].
13. Verify