Write the summary of all the chapters of THE CANTERVILLE GHOST.

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1 CLASS : SUBJECT : ENGLISH Write the summary of all the chapters of THE CANTERVILLE GHOST.

2 Subject : Mathematics Topic: ( Practice Questions) ri Sainath Nagar, Tirupati 5 02 Holiday Assignment Class: XI Answer the following:.prove that (2n )(2n ) n 2n 2. Prove that n( n )( n 2) 3. Prove that 2.7 n n is divisible by Prove that (2n ) n(2n )(2n ) Prove that... 2n n Prove that 0 n is divisible by ( 3n 2) = n 3n 2 = n 2 n 2 3 n a 8. Prove that r a ar ar ar... ar r n n 9. For any natural number n, 7 2 is divisible by 5. Prove it by mathematical Induction. 0. Prove that n(n+) = Evaluate : n n n 2 3..

3 Solve the following:. Evaluate the left hand and right hand limits of the function defined by f ( x ) = 2. If f ( x ) = then show that exists. 3. Find the derivative of x 3 64 from first principle. 4. Find the derivative of sin 2x using first principle Differentiate x sin x using product rule. 6. Differentiate with respect to x, using quotient rule. 7. Differentiate using quotient rule with respect to ' x '.

4 SREE VIDYANIKETHAN INTERNATIONAL SCHOOL TIRUPATI. CLASS XI- BIOLOGY WORKSHEET. Explain two phases of aerobic respiration? 2. How does exchange of gases takes place in the following organisms:- (a) Poriferans, coelenterates & flatworms. (b) Earthworms. (c) Arthropods (d) Fishes, Tadpoles of frog (e) Reptiles, birds & mammals 3. Describe with help of labeled diagram human respiratory system. 4. List the steps involved in pulmonary respiration. 5. How is inspiration & expiration accomplished in human beings? 6. Define the following terms:- (i) Tidal volume (ii) IRV (iii) ERV (iv) Residual volume 7. Name the apparatus by which volume of air involved in breathing can be measured. 8. Explain the pulmonary capacities:- IC, FRC, EC, VC & Total lung capacity. 9. (a) Name the factors that affect the rate of diffusion of gases in the lungs. (b) Mention the components of the diffusion membrane of human respiratory system. 0 (a) What percentage of O2 is transported by RBC s in the blood? What happens to the remaining O2? (b) In what form in O2 carried in the blood? What happens to this form when blood reaches the tissues? (c) Name the factors that affect the binding of O2 to hemoglobin to form oxyhemoglobin in the tissue. (a) What are three forms in which CO2 is transported in blood? Explain. (b) How does CO2 gets released into the alveoli. 2(a) where is respiratory rhythm centre located? (b) How does pneumotaxic centre alter the respiratory rate? Where is it located in human?

5 3(a) What is asthma? Explain. (b) What is emphysema? What are its major causes? 4. What are occupational disorders? Give two examples of such disorders. 5. What is Hill reaction? Explain. 6. Which chlorophyll is termed as universal photosynthetic pigment? 7. Which type of chlorophyll absorbs 680nm wavelength of light and is present in photosystem II? 8. Which is CO2 acceptor in C3 plant? 9. Differentiate between chlorophyll a and chlorophyll b. 20. What is photosystem? Which is the pigment that acts as reaction centre? 2. What is photophosphorylation? Where does it occur in the leaves? 22. What is the significance of photorespiration? 23. Which would happen to the rate of photosynthesis in C3 plants if the CO2 concentration level almost doubles from its present level in atmosphere? 24. Where does cyclic photophosphorylation take place in the leaves? Explain the events in sequence. Why is this process called cyclic? 25. What is the law of limiting factors? Explain this with a suitable example. 26. Describe carbon reactions of the C3 pathway. Does this pathway also operate in C4 plants? 27. What is C4 pathway? Explain its significance. 28. Tabulate the difference between C3 and C4 cycle. 29. What is PAR? Which light is more active in photosynthesis.

Holiday Home Work Class: XI Subject: Physics I. Answer the following questions.. Explain briefly the working principle of a refrigerator and obtain an expression for its coefficient of performance. 2.

6 Holiday Home Work Class: XI Subject: Physics I. Answer the following questions.. Explain briefly the working principle of a refrigerator and obtain an expression for its coefficient of performance. 2. Explain briefly the principle of a heat pump. What is meant by coefficient of performance? 3. The temperature T and T 2 of the two heat reservoirs in an ideal Carnot engine be 500 C and 500 C respectively. Which of these increasing T by 00 C or decreasing T 2 by 00 C would result in a greater improvement in the efficiency of the engine? 4. Describe the working of Carnot engine. Obtain expression for its efficiency 5. When 0.45 kg of ice at 0 is mixed with 0.9 kg of water at 55 in a container, the resulting temperature is 0. Calculate the heat of fusion of ice. Specific heat capacity of water = 486 J kg - K Calculate the work done for adiabatic expansion of a gas. 7. What are the values of Cv and Cp for monoatomic, diatomic and polyatomic gas? 8. Derive an expression for the pressure exerted by an ideal gas. 9. What is a kinetic interpretation of temperature? Briefly explain the kinetic interpretation of temperature. 0. Explain why water does not freeze at the bottom of the lakes in winter.. State and derive Newton s law of cooling 2. Derive an expression for mean free path. 3. Explain how land breeze and sea breeze take place 4. State and prove Carnot s theorem 5. What is thermal conductivity? Derive an expression for the same.

7 SREE VIDYANIKETHAN INTERNATIONAL SCHOOL CHEMISTRY-XI WORKSHEET: Hydrocarbons -Mark Questions. Give IUPAC name of 2. Five the IUPAC name of 3. Give the standard formula of 5-sec-butyl, 4-isopropyldecane. 4. Give the standard formula of 4-tert-butyl, 4-ethyl-2, 2, 5, 5-tetra methyl hexane. 5. Obtain isobutane from n-butane. 6. n-hexane 2-Mark Questions 7. Out of 2-Methylpentane and 2, 3-Dimethylpentane which has greater boiling point and Why? 8. Give the structure of alkyl halide which when treated with sodium metal in presence of ether gives (CH 3 CH.CH(CH Complete : (i) (ii) 0. Explain : (i) Staggered form of ethane is more stable than eclipsed form. (ii)wurtz reaction is carried out in dry ether.

8 Alkenes -Mark Questions. Give IUPAC name of 2. Give hybridisation of central carbon in allene (CH 2 =C=CH 2 ) 3. Name the effect which decide the stability of alkenes. 4. Complete the reaction : CH 3 CH=CH 2 + HCl 5. Which gas is produced during addition of HBr in alkenes is presence of peroxides? 6. Name the reagent to convert CH 3 CC CH 3 7. Arrange the alkenes in decreasing order of stability. CH 3 CH = CH(CH 3 ), CH 2 = CH 2, CH 3 CH = CH 2 2-Mark Questions 8. Complete the reaction CH 2 = CH C = CH 2 + O 3 9. Complete the reaction : CH Name the alkene which will yield a mixture of cyclopentanone and propanal on treatment with O 3 followed by reduction with Zn. 22. An alkene on treatment with H Br in presence of peroxide can generate two types of free radicals and Predict the finl product. 23. Explain : (i) Melting point of cis-2-butene is lower than that of trans-2-butene. (ii) Kharasch/peroxide effect is spontaneous with HBr only. 4

9 24. Complete the reactions : (i) (CH 3 C = CH CH 3 + hot KMnO 4 (ii) (CH 3 C = CH.CH 3 + cold dil. KMnO 4 (iii) (CH 3 C = CH.CH 3 + HBr 25. Indicate the reagents used to form the following products : (i) (ii) 3 Mark Questions (iii) 26. (i) Convert: iso-propylbromide n-propyl bromide. (ii) Give IUPAC name of Vinyl chloride. 27. Give IUPAC name of acetylene. Alkynes Mark Questions 28. Which alkyne would you start with to prepare CH 3 CH 2 CH 2 CO CH 3? 29. Name the reagent used in the following changes : 30. Give the alkyne which produce acetic acid and proponoic acid on treatment with alkaline KMnO 4 at 00 C. 3. Convert : Acetylene Propylene. 32. Convert : Ethylene Acetylene. 33. Obtain : 2 Mark Questions 34. Give the product when -methylcyclohexane reacts with : (i) aq. acidic KMnO 4 (ii) O 3 followed by Zn/CH 3 COOH.

3 Mark Questions 35. Pent--yne (A) (B) (C) Catalyst Identity A, B and C compounds and give their reactions. 36. Who discovered benzene? Benzene Mark Questions 37.

HNO 3 + conc. H 2 SO 4? 42. (i) Convert Acetylene Benzene (ii) 2 Mark Questions 43. Distinguish chemically butyne and but-2-yne. 44.

10 3 Mark Questions 35. Pent--yne (A) (B) (C) Catalyst Identity A, B and C compounds and give their reactions. 36. Who discovered benzene? Benzene Mark Questions 37. Give reason whether is aromatic or not. 38. Is pyrrole an aromatic compound or not? Give reason Give major product only 4. Give major product only + conc. HNO 3 + conc. H 2 SO 4? 42. (i) Convert Acetylene Benzene (ii) 2 Mark Questions 43. Distinguish chemically butyne and but-2-yne. 44. (i) Planar, cyclic, conjugated compounds with (4n + 2) e are knows as.... (ii) Planar, cyclic, conjugated compounds with (4n) e are knows as Mark Questions 45. Convert: Ethylene Nitrobenzene. 43

CH 3 + HBr (v) + H 2 O (vi) (CH 3 C==CH 2 + cold dil. KMnO 4 (vii) (CH 3 C==CH.CH 3 + hot KMnO 4 (viii) (CH 3 C==CH.CH 3 + O 3 (ix) + 2 alc.

11 46. Give chemical tests to distinguish the following : (i) Pent--yne and pent-2-yne (ii) Ethylene and Acetylene (iii) Ethane and Ethylene 47. Complete the following reactions : (i) CH 3 COONa + NaOH (ii) iso-butyl bromide + alc. KOH (iii) iso-butyl alcohol + conc. H 2 SO 4 (iv) (CH 3 C = CH.CH 3 + HBr (v) + H 2 O (vi) (CH 3 C==CH 2 + cold dil. KMnO 4 (vii) (CH 3 C==CH.CH 3 + hot KMnO 4 (viii) (CH 3 C==CH.CH 3 + O 3 (ix) + 2 alc. KOH (x) CaC 2 + H 2 O (xi) CHCl 3 + Ag (xii) CH CCH + H O H+ 3 2 Hg2+ (xiii) CH 3 CCH 2 CH 3 + O 3 (xiv) CH 3 CCH + alc. KMnO 4 (xv) C 6 H 6 + H Conversions : (i) Ethane Ethyne (ii) Acetylene But-2-yne (iii) Propene Propanol

12 (iv) Acetic acid Methane (v) Acetylene Acetone (CH 3 COCH 3 ) (vi) Acetylene Cyclohexane 49. A hydrocarbon (X) on treatment with ammonical AgNO 3 gave white precipitate. On treatment with water in dil. H 2 SO 4 and HgSO 4, it gave CH 3 CHO. When (X) is treated with mol of NaNH 2 /NH 3, along with n-propyl bromide, gave compound (Y), which on treatment with Lindlar s catalyst gave (Z) compound (Z) on treatment with O 3 along with Zn gave HCHO and butanol. Identify X, Y, Z and givel all the reactions. 50. An alkyl halide C 5 H Br(A) reacts with alc. KOH to give on alkene (B) which reacts with Br 2 to give compound (C), which on dehydrobromination gives an alkyne (D). On treatment with sodium metal in liquid ammonia, one mole of (D) Give one mole of sodium salt of (D) and half mole of H 2 (g). Complete hydrogenation of (D) yields a straight chain alkane. Identify A, B, C and D. Give the reaction involved. 5. The sex attractant pheromme of codling moth has the molecular formula C 3 H 24 O. On catalytic reaction this compound gives 3-Ethyl-7-methyl-- decanol having molecular formula C 3 H 28 O. On reduction ozonolysis the pheromme produces 2-pentane, 4-ketohexanal and 2-Hydroxyethanal. On the basis of these information, Write the structure of this pheromme ml of a hydrocarbon (A) having 87.80% C and 2.9% H weights 3.28 g at STP. Hydrogenation of (A) gives 2-methylpentane. Also compound (A) on hydration in presence of H 2 SO 4 and HgSO 4 gives Ketone (B) having molecular formula C 6 H 2 O. The ketone (B) gives a positive iodoform test. Find the structure of (A) give all reactions. [Hint : (i) mole of a compound at STP contains ml volume (ii) Ketones having structures gives positive iodoform test] 53. (a) Compound A{C 0 H 8 O} undergo reaction with H 2 SO 4 at 250 C to yield a mixture of two alkenes {C 0 H 6 }. The major alkene product (B) gives only cyclopentanone after ozone treatment followed by reduction with Zn in CH 3 COOH. Identify (A) and (B) give the reactions involved. (b) Convert PhCCH PhCC.CH 3 (c) Benzene does not give addition reactions under normal conditions. 45

13 Name: Class: Sree Sainath Nagar,Tirupati 5702 Holiday Assignment- (207-8) Section:A&B Subject: IP.

14 2.

I. Multiple Choice Questions (Type-I)

Unit 13 HYDROCARBONS I. Multiple Choice Questions (Type-I) 1. Arrange the following in decreasing order of their boiling points. (A) n butane (B) 2 methylbutane (C) n-pentane (D) 2,2 dimethylpropane A