HOLIDAY HOMEWORK FOR CLASS XI BIOLOGY 1. INVESTIGATORY PROJECT  Difference between organic fertilizers and chemical fertilizers  Biofuels  Hydroponics  Phytoremediation  Malnutrition  Natural antibiotics  Superbugs  Global warming  Green house effect  Study of effects of green tea on oral bacteria  Environmental friendly methods to suppress weeds.  Plant growth regulators and their application in agriculture  Mycorrhiza and uses  Natural decomposers  Bioleaching  Growing of plants and animals by cloning  Dominance of brain hemispheres  Toxicity of nicotine  Some important plant secondary metabolites and their uses  Bioplastics  Factors affecting the reaction rates of enzymes  Using Daphnia to Monitor Water Toxicity  Conservation of plants and animals( include modern methods like gene banks)  Components of food.  Drug abuse among youngsters and its harmful effects in body  Diseases in plants  Importance of trees. 2. COMPLETE THE PRACTICAL FAIR RECORDS BIOLOGY

INTEGRATED INDIAN SCHOOL, KUWAIT 2016-17 HOLIDAY ASSIGNMENT CLASS-XI SUBJECT: PHYSICAL EDUCATION (Code No. 048) ASSIGNMENT NO.1 Draw a neat diagram of Badminton court.      

Write its history. Latest rules and regulations. Related sports terminologies. Important Tournaments. Related Venues. Sports personalities.

Joshy Mathew (HOD. Physical education).

HOLIDAY ASSIGNMENT 2016-17 INFORMATICS PRACTICES CLASS XI Worksheet based o previous year’s Sa ple Paper Answer the following questions: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15.

What are the various operations of control unit? Differentiate between serial and parallel port. Give definition and some examples of e-waste disposal. What do you understand by term malware? How can you detect that your system is infected by malwares? Give an appropriate definition of cookies. What are the uses of digital signature? How is a compiler different from interpreter? What do you understand by firewall? Differentiate between worms and Trojans. How is multiuser operating system different from multitasking operating system? What is the main purpose of communication bus? Explain with its types. Define basic functions of OS. Differentiate between OCR and OMR. Distinguish between dot – matrix printer and impact printer.

CHEMISTRY HOLIDAY ASSIGNMENT CLASS XI .WORK

SHEET BASED ON CBSE BOARD PAPERS

1. Write the correct symbol for the nucleus with an a) atomic number 56 and mass Number 138 b) atomic number 26 and mass number 55. 2. Using periodic table, identify a) an element that would tend to gain two electrons b) an element that would tend to lose two electrons. 3. Write the empirical formulas of the compounds having the molecular formulas : a) C6H6 b) C6H12O6 c) H2O2 d) H2O. 4 Although geometries of ammonia and water molecules are distorted tetrahedral, Bond angle in water is less than that of ammonia. Why? 5 Calculate the number of atoms in 4g of He. 6 Which quantum numbers originate from Schrodinger wave equation? 7. Which of the two is bigger in size and why? Cl or Cl8 .Predict the shape of ClF3 and BF3 on the basis of VSEPR theory 9 What is the hybridization of central atom in following? NH3 , C2H2 10 What is the dipole moment of CCl4 molecule? Account for your answer 11 Describe the hybridization in case of PCl5. Why are axial bonds longer 12 How would you justify the presence of 18 elements in the 5th period of the Periodic Table? 13 .Write the general electronic configuration of p-block and f-blockelements. 14 Which of the following will have the most negative electron gain enthalpy and which will have the least negative electron gain enthalpy? P, S, Cl, F. 15 Explain your answer. (ii)Predict the formula of binary compound of (a)Aluminium and iodine (b) Lithium and oxygenmpared to the equatorial bonds? 16 Why is Ga smaller in size than Al? 17 Give reason for the following a) F has lower electron gain enthalpy than Cl. (b) Ionization enthalpy of N is higher than O. 18 Arrange the following in increasing order of size. Give reason for your answer. Mg2+; O2-; Na+; F-; Al3+ 19. The density of 3M solution of NaCl is 1.25g/mL. Calculate the molality of the solution.

20 How many neutrons and protons are there in following nuclei? a) 32 b) 88 c) 38 21 i. Which of the two is more stable +2 H or 2 H- and why? ii. All bonds in PCl5 are not equal. Explain. iii. Which of the two is more ionic - NaCl or NaI and why? 22 Write the formula of the compound Nickel (II) sulphate? 23 Give the values for principal quantum number and magnetic quantum number for 19th electron of K (Potassium). 24. What shapes are associated with sp 3d and sp3d2 hybrid orbital 25 Which of the following has largest size? Mg, Mg2+, Al3+, Al 26.Give IUPAC name and symbol of element with atomic number 110 and 115. 27..Which of the two is more concentrated and why? 1M or 1m aqueous solution of a solute. 28..In the reaction: N2 _ ; O2 _ , Why is there an increase in bond order in going from O2 _ while there is a decrease on going from N2 _ ? 29.Calculate the energy associated with the first orbit of He+. What is the radius of this orbit? 30 The size of isoelectronic species: F-, Ne and Na+ are affectedby___________. 31 Which of the following statements is incorrect in relation to I.E? a) I.E increases for each successive electron. b) The greatest increase in I.E is experienced on removal of electrons from core noblegas configuration C) End of valence electron is marked by a big jump in I.E.(D)Removal of electron from orbitals bearing lower ‘n’ value is easier than from orbital having higher ‘n’ value 32

Define Modern periodic law. 1

33 What are the atomic numbers of elements whose outermost electrons are represented by a) 2p3 b) 3d6 Which has a larger radius i) Mg or Ca ii) S or C? 2.

RECORD COMPLETION CATION AND ANION ANALYSIS

HOLIDAY ASSIGNMENT : 2016 – 2017 CLASS : XI B (SCIENCE STREAM)

MATHEMATICS

P‘EPA‘E THE LESSON INT‘ODUCTION TO TH‘EE DIMENSIONAL GEOMET‘Y USING THE CONCEPT COO‘DINATE GEOMET‘Y [ Make notes and answer the questions in the exercises .]

HOLIDAY ASSIGNMENT 2016-17 COMPUTER SCIENCE (C++) CLASS XI Worksheet based o previous year’s Sa ple Paper Answer the following questions: 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30.

State two differences between data bus and address bus. What is a real time operating system? How many bytes are in a terabyte? Write the names of two popular system software. Explain two functions of ALU Convert ( B2B)16 into Octal Expand the following (i) ASCII (ii) ISCII What is clock speed? Describe the term open source software. Convert (45) 10 into binary using division method. What is the use of infrared port? Differentiate between CISC and RISC. Give two types of main memory. What are the utility programs? Give some examples of them. What is cache?