S.B.O.A SCHOOL AND JUNIOR COLLEGE, CHENNAI 101 STD - XI all sec ENGLISH Assignment 1 1.Why does Nani Palkhivala call the Earth, The Ailing Planet? How

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1 S.B.O.A SCHOOL AND JUNIOR COLLEGE, CHENNAI 101 STD - XI all sec ENGLISH Assignment 1 1.Why does Nani Palkhivala call the Earth, The Ailing Planet? How can the ailing planet survive? 2. What do you think is responsible for the distance between father and son in the poem Father to Son? 3. Heavy rains and floods hit the coastal areas causing a lot of devastation in terms of life and property. Helping the sufferers requires a lot of assistance from private and public sources. Write an article in words on how the victims of flood can be helped. Assignment 2 1.What plans did Einstein device to stay away from school for 6 months? How far did he succeed? 2. Childhood is an essential state in the process of growing up,but it can t go on forever. According to the poem what is involved in the process of growing up? 3. As Physical Education teacher, Spring Blossoms School, Chennai, place an order for cricket kits for your school. Write a letter to M/S Chennai Sports Equipments. Assignment 3 1.Frank lacks those qualities that make a great teacher.compare Frank with his colleague Crocker Harris. 2.How does the story We re not afraid to die. bring out the optimism in the adults and children? 3.Your school is celebrating its 35 th Sports Day. Draft an invitation for the same.

2 STD. XI MATHEMATICS ASSIGNMENT 1 PERMUTATIONS 1. Find the number of ways in which 5 boys and 5 girls be seated in a row so that i) No two girls may sit together ii) All the girls sit together and all the boys sit together. iii) All the girls are never together. 2. How many numbers greater than a million can be formed with the digits 2, 3, 0, 3, 4, 2, 3? 3. How many arrangements can be made with the letters of the word MATHEMATICS. In how many of them vowels are together? COMBINATIONS 1. From a class of 12 boys and 10 girls, 10 students are to be chosen for a competition; atleast including 4 boys and 4 girls.the 2 girls who won the prizes last year should be included. In how many ways can the selection be made. 2. If 2nC 3 : nc 3 = 11 : 1 find n. 3. Determine the number of 5 card combinations out of a deck of 52 cards. If atleast one of the 5 cards has to be a king. &&&&&&&&&&&&&&&&

3 STD. XI SBOA SCHOOL& JUNIOR COLLEGE, CHENNAI MATHEMATICS ASSIGNMENT 2 BINOMIAL THEOREM 1. Find the co-efficient of i) x 10 in the expansion of 2x 2 1 x ii) x 7 in the expansion of x 1 x Find the 4 th term in the expansion of 3. Find the middle term in the expansion of i) ii) 2 3 x 3 2x 3x x x 5 5 2x 4. Find the term independent of x in the expansion of 9. i) 2 3 x2 1 3x 9. ii) 2x 2 3 x Find a if the co-efficient of x 2 and x 3 in the expansion of 3 + ax 9 are equal. 6. The co-efficients of ( r- 1 ) th, r th and ( r +1 ) th terms in the expansion of ( x + 1) n are in the ratio 1 : 3 : 5. find n and r. &&&&&&&&&

4 STD. XI SBOA SCHOOL& JUNIOR COLLEGE, CHENNAI MATHEMATICS ASSIGNMENT 3 Sequences and series 1. Between 1 and 31 m numbers have been inserted in such a way that the resulting sequence is an A.P and the ratio of 7 th and (m-1) th numbers is 5 : 9. Find the value of m. 2. Insert 5 nos. between 8 and 26 such that the resulting sequence is an A.P. 3. Find the sum of sequence 8, 88, 888,.. to n terms. 4. Find the value of n so that an+1 +b n+1 a n +b n may be the geometric mean between a and b. 5. Find the sum of the following series up to n terms Show that 1x x n (n+1) x x 3+ + n 2 n+1 = 3n+5 3n+1. எஸ.ப.ஓ.ஏ.பள ள.இளந லலக கல ல ர ச ன ல.10௦1

5 பத ன ர ம வக ப ப பய ற ச -1 தம ழ அ.. எலவன ன ம ஐந த சத டர கள ல உள ள ப லழகலளத த ர த த க ர ம ப ஊ கல ல ம த பம 2. ண ர கர ல உர வ ழ வ ன பத இரலன க தக ல த னத 3. ல ய ர ம ஓர க ரம ; ல ய ர ம ஓர இணம. 4. ஆம ல ய ஊற க க அறக ப ல. 5. ல ல பரனர ல ட தபன பரன லர ர னத. 6. ன ன ம ள த த ம கண தப ன மத. 7. க ரர ல ந வ டன பட ப ப ப ன ப கன வ ர ம நல ய ப ட ட.. ஆ. எலவன ன ம ஐந த சத டர கலளக க ற வ ற ச ய க ன பள ர ந ய ல ரர ட ட ப தப ட ட ர நடத த [ச ப ப ட ட ல ரன ச ட க க க] 2. ர க க மர ல இல ய கர த த க கதர இல ரய. [சப ர ள ம ல உடன ப ட ட த ச ட க க க] 3. கண ணன ப ல ச ர ண ட பட த ன. [ ப மல ரனத ச ட க க க ] 4. ற ந ள ன த ர ச ல ல க நன மன க ம ன ன. [தநர க ற ம க க க] 5. ந ல ன நன க ழ ல ஆ ர ல ப ட டப பட ட ன. [ச டர ல க க க க க] 6. அன ரன ச ல ன த ரலர அரனலர ம தப ற ம னர [சப ர ள ம த ர ரமத ச ட க க க] 7. சக ரடக க னல ஒப பற ம அறக உரடத.. [ல ப ப ல க க க க ] இ. எலவன ன ம ஐந த சத டர கள ல வல ல சமய ட ட ப லழகலளத த ர த த க 5 1. ப யலர கரர தப ற ம சப ர ள லறங க ப ல யர கள ம ப ல உண ட. 2. ந ட ட பற ற ம ச ற பற ற ம ஒன தம சட ன ற ப ன ன ப ப ரணந ரல. 3. ஆ ர ர த பக க கண ண ட ர கறற ம த ரடத ர. 4. இம ர பன ம ற ர பன ம ர லத கல ல. 5. ண ண ல ப மக ரக ல ந க றந ர பம நல ய க றந ர ன. 6. த த ரண சபர ல னம ண ண ப ர உன ரனபம ந த. 7. பர ங க சப ர ர ல ஒர ஊட ர வ ம ன ரர த ன ர கண ட ர.

6 Exercise -2 அ.. எலவன ன ம ஐந த சத டர கள ல உள ள ப லழகலளத த ர த த க. 1.உவ ன சம ர ச ள இர ந ல ப ர வ ன சம ர த ர இர க க ம. 1. ம யல சக ண ட ல அண ணன ரகர ம ப தப ம ன ம ன ல ன. 2. பமந உள ரம உன ரன உற த கம ச ட ரலக க ம. 3. ச ன னர ச ச ல ல ம க ய ப ப ள ரர ன பத பரச ற 4. சக ள ர ரய ல லல ல ல ஓம ன ம ன னன ல ழ ந ன. 5. க ர சக ல ல ன ம ண த ர ல ர ம ப த ன ன ம. 6. பல ய ச ச லர ல ஊர ந த ச ல க மத பள ர. ஆ. எலவன ன ம ஐந த சத டர கள ல வல ல சமய ட ட த த ர த த க சல ய தப ன ல ற மலர க க தகட க த அண ண தபச தலக க. 2. சலள ர பன ரய த ய வ தல ம ;தரய கடல பழ த ம கப பல ல ட தல ம 3. நம ப ன ர சகட ல ல ரய ந ன க ரம ர ப ப 4. ண ண ர ப ம ரப ப ர த த நல ய ப ம ப ன ற ந ரனத த ல ட தடன. 5. ப ட த ன க கள ப ல ற உயல ச ன மல கண டத ண தட? 6. யர த ட டத ன அர தக ர க டம ட த த ச ன ம ள யர ல ற. 7. ட ட க ல ப ச ர ப ர த த பத த ரய இ லணன பப பட ட ட ன. இ.எலவன ன ம ஐந த சத டர கலளக க ற வ ற ச ய க சப ம ரர ல ய க க றந ர கள ம ல ர ம ப ம [சப ர ள ம ல ர ரமத ச ட க க க] 2. ர த த லர தந ர டம, ந ள த ற ம க ய கம க ர பறங கள உண ட ல ன ம ர. [அற க ற ம க க க] 3. ணலர கள ல ட ற கரய ல ழ ம ப ல தலண ட ம. [ப ம ல ரன க ற ற க] 4. ந ட பன தனம தலண ட ன ல ந ட ட க கள ஒற ற ரபடன இர க க தலண ட ம. [ ச டர ல க க க ற ற ] 5. க ந ட கள ந ட ட த ந ர ன ற க கர ல தப ற மப பட க ன ம ர [ ச ய ல ரன ல க க க ற ற க ] 6. அன தம அவ தலரயக க ச ச ல ல க பர கன ப ம ச ய ன [தநர க க ற ம க க க ] 7. சக ம ப த த ன கவ ம ச ரலபரடத ; க றந ர கள கவ ம ல ர ம ப ம. [ கயரல ல க க க ற ற க]

7 SUB : HINDI SUB : HINDI

8 SUB : FRENCH

9 SBOA SCHOOL AND JUNIOR COLLEGE BIOLOGY Std : XI ASSIGNMENT 1 1. Draw and label the following diagrams : a) Structure of Human Heart b) LS of kidney c) Structure of Actin and Myosin 2. Describe the mechanism of muscle contraction with diagram. 3. Explain the steps in Urine formation in detail. ************************** ASSIGNMENT 2 1. Explain the role of enzymes in the digestive tract in the form of equation. 2. Draw the following and label the parts. a) TS of Gut b) Diffusion membrane of Alveoli c) Structure of Sarcomere. 3. How is O 2 and CO 2 transported in human body? ************************** ASSIGNMENT 3 Write short notes on the following : a) Mycoplasma b) Sexual cycle in fungi c) Venation Briefly describe the structure of dicot root and dorsi-ventral leaf. Draw and label a) Digestive system of Cockroach b) Four types of chromosomes c) Cell Cycle

10 COMPUTERSCIENCE ASSIGNMENT 1 1. Find the output for the following code segment. void main() { char n[]="day is Beautiful"; for(int i=0;i<strlen(n);i++) if(isupper(n[i])) n[i]=tolower(n[i]); else if(islower(n[i])) if(i%2==0) n[i]=toupper(n[i+1]); else n[i]--; cout<<n; } 2. void main() { char n[]="beautiful"; for(int i=0;i<strlen(n);i++) if(islower(n[i])) n[i]=toupper(n[i]); else if(isupper(n[i])) if(i%2==0) n[i]=tolower(n[i+1]); else n[i]--; cout<<n;} 3.Write a function program to swap two characters and print the swapped characters in calling program. 4.Write a function program to arrange the array elements in descending order. ASSIGNMENT 2 1.Write a c++ program to find the sum of the following series (1 2 )+( )+( )+...+( n 2 ) 2. Write a C++ program to accept an integer and check the sum of all digits is an even or odd. [Eg. If the integer is 349, then sum of all digits is = 16 which is an even number.] 3. Differentiate between exit controlled and entry controlled loop with an example. 4.Write a function sumfun( ) to find the sum of following series. The function should accept two arguments long n and int x and return a double type result. 1 + x/2! + x 2 /3! + x 3 /4! x n /(n+1)! 5. Write a program using function to display the multiplication values of column elements of a two-dimensional array R[7][7] containing integers. ASSIGNMENT 3 1.Write the differences between call by value and call by reference with example. 2) Write the differences between default and constant arguments.

11 3) Write a function program to pass a string and a characters as parameters and return the no. of times the character is present in the string. 4. Write the output of the following program. #include <iostream.h> void main() { int x = 5; if(x++ = = 5) cout<< five <<endl; else if(++x = = 6) cout<< Six <<endl; } ASSIGNMENT -1 BUSINESS STUDIES XI H 1. Finance is the main problem of Small Industries. Do you agree? 2. Name any three schemes run by the government to support development of small industries. 3. Name the institution which looks after the implementation of government schemes at State level. ASSIGNMENT Give the differences between a wholesaler and a retailer. 2. How can a retailer use wholesalers expertise to sell better? Explain with the help of an example. 3. Retailers are the real promoters of goods produced by a manufacturer. Do you agree?

12 ASSIGNMENT Name the source of finance which allows business to use fixed assets without buying them. 2. Explain the concept of bank overdraft as a short term source of finance. 3. Debentures are a secured investment. Explain. ACCOUNTANCY XI H ASSINGNMENT-1 CHAPTER PAGE Q PAGE Q What is meant by Grouping and Marshalling of Assets and Liabilities? ASSIGNMENT-2 - Chapter-21 PAGE Q- 1,14,16 ASSIGNMEN T -3 CHAPTER -16 PAGE Q -28,28,29