IV Unit Test

8/3/2019 IV Unit Test

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PRIYADARSHINI DEGREE & PG COLLEGE, KOTHAGUDEM.IV UNIT TEST EXAMINATION 2011-2012

Time: 1½ Hrs Electronics-I Marks: 25

-------------------------------------------------------------------------------------------------------------------------------------------------------1. Explain the construction, working and characteristics of JFET. 15M2. Mention the advantages and dis-advantages of FET over BJT 5M3. Define the parameters of FET 5M













PRIYADARSHINI DEGREE & PG COLLEGE, KOTHAGUDEM.



IV UNIT TEST EXAMINATION 2011-2012Time: 1½ Hrs Electronics-II Marks: 25

-------------------------------------------------------------------------------------------------------------------------------------------------------1. Define Modulation and Need for Modulation. 5M2. Define Amplitude modulation and explain AM with Analysis and Derive the expression for power inan amplitude modulated wave 15M

3. Write about Detection of AM signals and necessity of Detection 5M


Time: 1½ Hrs Electronics-II Marks: 25


















IV UNIT TEST EXAMINATION 2011-2012Time: 1½ Hrs Electronics-III & IV Marks: 25

-------------------------------------------------------------------------------------------------------------------------------------------------------------1. Explain the classification of Instructions of 8051 Micro controller 10M2. Explain about serial communication modes. 10M3. Write a program to perform 16-Bit subtraction. 5M


Time: 1½ Hrs Electronics-III & IV Marks: 25













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1. Explain the classification of Instructions of 8051 Micro controller 10M2. Explain about serial communication modes. 10M3. Write a program to perform 16-Bit subtraction. 5M


Time: 1½ Hrs Bio-Technology-I Marks: 25

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Answer the following Questions 2X12½=25M1.a. Define linkage and write about it and add a note on its significance. (OR)b. Define crossing over and describe it and add a note on its significance.

2. a. Define Bio informatics and describe about its applications. (OR)b. Describe briefly about eukaryolic cell structure.



-------------------------------------------------------------------------------------------------------------------------------------------------------------Answer the following Questions 2X12½=25M1.a. Define linkage and write about it and add a note on its significance. (OR)

b. Define crossing over and describe it and add a note on its significance.2. a. Define Bio informatics and describe about its applications. (OR)

b. Describe briefly about eukaryolic cell structure.














IV UNIT TEST EXAMINATION 2011-2012Time: 1½ Hrs Bio-Technology-I Marks: 25





Time: 1½ Hrs Bio-Technology-III Marks: 25

-------------------------------------------------------------------------------------------------------------------------------------------------------------Answer the following Questions 2X12½=25M

1. Write about Kinetic classes of DNA (OR)2. Define Transcirption . Explain the steps involved in trascription in prokaryotes.3. Describe about the different types of Blotting techniques . Add a note on its applications.

(OR)4. Explain the principles stages and types of Ag-Ab reactions.




1. Write about Kinetic classes of DNA (OR)

2. Define Transcirption . Explain the steps involved in trascription in prokaryotes.3. Describe about the different types of Blotting techniques . Add a note on its applications.




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-Answer the following Questions 2X12½=25M1. Write about Kinetic classes of DNA (OR)2. Define Transcirption . Explain the steps involved in trascription in prokaryotes.3. Describe about the different types of Blotting techniques . Add a note on its applications.



IV UNIT TEST EXAMINATION 2011-2012Time: 1½ Hrs Bio-Technology-III Marks: 25

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Answer the following Questions 2X12½=25M1. Write about Kinetic classes of DNA (OR)2. Define Transcirption . Explain the steps involved in trascription in prokaryotes.3. Describe about the different types of Blotting techniques . Add a note on its applications.



Time: 1½ Hrs Bio-Technology-IV Marks: 25


1. Define Monoclonal antibodies and describe the principle and applications of it.

(OR)2. Define Gene therapy and discuss about different methods of gene therapy.3. Describe about animal cell disaggregation methods. (OR)4. Define primary cell and its applications.




1. Define Monoclonal antibodies and describe the principle and applications of it.(OR)

2. Define Gene therapy and discuss about different methods of gene therapy.3. Describe about animal cell disaggregation methods. (OR)4. Define primary cell and its applications.





2. Define Gene therapy and discuss about different methods of gene therapy.3. Describe about animal cell disaggregation methods. (OR)

4. Define primary cell and its applications.







2. Define Gene therapy and discuss about different methods of gene therapy.3. Describe about animal cell disaggregation methods. (OR)4. Define primary cell and its applications.


Time: 1½ Hrs Statistics-I Marks: 25

-------------------------------------------------------------------------------------------------------------------------------------------------------------Answer ALL the following Questions 5X5=25M

1. Following data rerate to year-wise enrolment in a college classified according to male and female.Draw a sub-divided Bar-diagram.Telephone calls 1990-91 1991-92 1992-93 1993-94 1994-95

No.of Girls 810 825 844 780 820 No.of Boys 1215 1160 1325 1410 1480

2. Calculate the first four central moments for the following data. Also calculate β1 and β2.X 1 2 3 4 5 6 7 8 9F 1 6 13 25 30 22 9 5 2

3. Obtain Karl pearson’s measure of skewness and Bowley’s co-efficeint of skewness for the following

Data.Class 5.5-10.5 10.5-15.5 15.5-20.5 20.5-25.5 25.5-30.5 30.5-35.5 35.5-40.5Frequency 7 7 16 13 2 5 8

4.Fit a negative Binomial distribution and calculate the expected frequencesX 0 1 2 3 4 5Y 213 128 37 18 3 1

5. 200 electrical bulbs tested for the following data obtained. Fit an exponential distribution and drawgraph for the observed and expected frequency.C.I 0-20 20-40 40-60 60-80 80-100F 104 56 24 12 4


Time: 1½ Hrs Statistics-I Marks: 25


1. Following data rerate to year-wise enrolment in a college classified according to male and female.Draw a sub-divided Bar-diagram.Telephone calls 1990-91 1991-92 1992-93 1993-94 1994-95

No.of Girls 810 825 844 780 820 No.of Boys 1215 1160 1325 1410 14802. Calculate the first four central moments for the following data. Also calculate β1 and β2.

X 1 2 3 4 5 6 7 8 9



F 1 6 13 25 30 22 9 5 23. Obtain Karl pearson’s measure of skewness and Bowley’s co-efficeint of skewness for the followingData.Class 5.5-10.5 10.5-15.5 15.5-20.5 20.5-25.5 25.5-30.5 30.5-35.5 35.5-40.5Frequency 7 7 16 13 2 5 8

4.Fit a negative Binomial distribution and calculate the expected frequencesX 0 1 2 3 4 5Y 213 128 37 18 3 1

5. 200 electrical bulbs tested for the following data obtained. Fit an exponential distribution and drawgraph for the observed and expected frequency.

C.I 0-20 20-40 40-60 60-80 80-100F 104 56 24 12 4


Time: 1½ Hrs Statistics-II Marks: 25


1. Fit an exponential curve of the form y=abx to the following data by the method of least squares.X 1 2 3 4 5 6 7 8Y 1.0 1.2 1.8 2.5 3.6 4.7 6.6 9.1

2. Ten competitions in a beauty contest are ranked by three judges in the following order.Ist judge 1 6 5 10 3 2 4 9 7 8

IInd judge 3 5 8 4 7 10 2 1 6 9IIIrd judge 6 4 9 8 1 2 3 10 5 7Use the rank correlation coefficient to determine which pair of judges has the neareast approach toCommon tastes in beauty.

3.Calculate rank correlation coefficient for the following dataX 68 64 75 50 64 80 75 40 55 64Y 62 58 68 45 81 60 68 48 50 70

4. A sample of 900 members as a mean 3.5cms and standard deviation is 2.61 cms. Is the sample from alarge population of mean 3.25 cms and S.D,2.61 (α=5%)

5. The data 10 plots each under two treatments are as given belowTreatment I 46 45 32 42 39 48 49 30 51 34Treatment II 44 40 59 47 55 50 47 70 43 55

Apply an appropriate Non-parametric test to test whether the medians of two populations from which theAbove two sample have been choosen are same (use α=0.05)


Time: 1½ Hrs Statistics-II Marks: 25


1. Fit an exponential curve of the form y=abx to the following data by the method of least squares.

X 1 2 3 4 5 6 7 8Y 1.0 1.2 1.8 2.5 3.6 4.7 6.6 9.1

2. Ten competitions in a beauty contest are ranked by three judges in the following order.



Ist judge 1 6 5 10 3 2 4 9 7 8IInd judge 3 5 8 4 7 10 2 1 6 9

IIIrd judge 6 4 9 8 1 2 3 10 5 7Use the rank correlation coefficient to determine which pair of judges has the neareast approach toCommon tastes in beauty.

3.Calculate rank correlation coefficient for the following dataX 68 64 75 50 64 80 75 40 55 64Y 62 58 68 45 81 60 68 48 50 70

4. A sample of 900 members as a mean 3.5cms and standard deviation is 2.61 cms. Is the sample from alarge population of mean 3.25 cms and S.D,2.61 (α=5%)

5. The data 10 plots each under two treatments are as given belowTreatment I 46 45 32 42 39 48 49 30 51 34Treatment II 44 40 59 47 55 50 47 70 43 55

Apply an appropriate Non-parametric test to test whether the medians of two populations from which theAbove two sample have been choosen are same (use α=0.05)

PRIYADARSHINI DEGREE & PG COLLEGE, KOTHAGUDEM.IV UNIT TEST EXAMINATION 2011-2012Time: 1½ Hrs Statistics-III & IV Marks: 25


1. Explain briefly about the measurements of Mutuality ? With merits and Demerits.2. Explain briefly about the Measurements if Fertility ? With Merits and Demerits.3. Define Life table ? Solve the following problem Life table with two years with missing values and

given belowAge(years) lx dx px qx Lx Tx Cx35 9345 ? ? ? ? 163819 ?36 9243 149 ? ? ? ? ?

4. Explain briefly about the Abridge life table and write uses of vital statistics?5. Explain briefly about the control charts for the fractional defective ?


Time: 1½ Hrs Statistics-III & IV Marks: 25

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-Answer ALL the following Questions 5X5=25M

1. Explain briefly about the measurements of Mutuality ? With merits and Demerits.2. Explain briefly about the Measurements if Fertility ? With Merits and Demerits.3. Define Life table ? Solve the following problem Life table with two years with missing values and

given belowAge(years) lx dx px qx Lx Tx Cx35 9345 ? ? ? ? 163819 ?36 9243 149 ? ? ? ? ?





Time: 1½ Hrs Statistics-III & IV Marks: 25


1. Explain briefly about the measurements of Mutuality ? With merits and Demerits.

2. Explain briefly about the Measurements if Fertility ? With Merits and Demerits.3. Define Life table ? Solve the following problem Life table with two years with missing values andgiven belowAge(years) lx dx px qx Lx Tx Cx35 9345 ? ? ? ? 163819 ?36 9243 149 ? ? ? ? ?



Time: 1½ Hrs Zoology-I Marks: 25

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I. Write any two of the following 2X10=20M1. Write the complete details of ribosomes.2. Explain the various kinds of RNA . Write a note on functions of RNA.3. Write the fluid mosoic model of plasma membrane.

II. Write a short note 1X5=5M4. Write the types of lipids.



-------------------------------------------------------------------------------------------------------------------------------------------------------------I. Write any two of the following 2X10=20M1. Write the complete details of ribosomes.2. Explain the various kinds of RNA . Write a note on functions of RNA.3. Write the fluid mosoic model of plasma membrane.II. Write a short note 1X5=5M4. Write the types of lipids.


IV UNIT TEST EXAMINATION 2011-2012Time: 1½ Hrs Zoology-I Marks: 25

-------------------------------------------------------------------------------------------------------------------------------------------------------------I. Write any two of the following 2X10=20M



1. Write the complete details of ribosomes.2. Explain the various kinds of RNA . Write a note on functions of RNA.3. Write the fluid mosoic model of plasma membrane.II. Write a short note 1X5=5M4.Write the types of lipids.



-------------------------------------------------------------------------------------------------------------------------------------------------------------I. Write any two of the following 2X10=20M1. Write the complete details of ribosomes.2. Explain the various kinds of RNA . Write a note on functions of RNA.3. Write the fluid mosoic model of plasma membrane.

II. Write a short note 1X5=5M4. Write the types of lipids.


Time: 1½ Hrs I-B.Sc., PC Software and C programming Max. Marks: 25

-------------------------------------------------------------------------------------------------------------------------------------------------------------Answer any FIVE questions: 5x5=25

1. Write the procedure for creating different headers and footers in ms-word.2. Write the procedure of mail merge of ms-word.3. Define macro. Write the procedure to create a macro in ms-word.

4. Define a table. Write the procedure to create a table using table wizard in ms-access.5. Define query. Explain various queries of ms-access.6. Define form. Write the procedure to create a form using form wizard.7. Define a report. Write the procedure to create a report using report wizard.



---------------------------------------------------------------------------------------------------------------------------------------------------------------Answer any FIVE questions: 5x5=25

1. Write the procedure for creating different headers and footers in ms-word.2. Write the procedure of mail merge of ms-word.3. Define macro. Write the procedure to create a macro in ms-word.4. Define a table. Write the procedure to create a table using table wizard in ms-access.5. Define query. Explain various queries of ms-access.6. Define form. Write the procedure to create a form using form wizard.7. Define a report. Write the procedure to create a report using report wizard.



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Answer any FIVE questions: 5x5=25







Time: 1½ Hrs I-B.Com. Programming Concepts Max. Marks: 25

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1. Explain about the while loop.2. Explain about for loop.3. Explain various storage classes of C.

4. How to create a database file. Explain5. Explain the features of internet.



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1. Explain about the while loop.2. Explain about for loop.3. Explain various storage classes of C.4. How to create a database file. Explain5. Explain the features of internet.



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1. Explain about the while loop.2. Explain about for loop.



3. Explain various storage classes of C.4. How to create a database file. Explain5. Explain the features of internet.



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1 Explain about the while loop.2 Explain about loop.3 Explain various storage classes of C.4 How to create a database file. Explain5 Explain the features of internet.


Time: 1½ Hrs B.Sc-M-II Max. Marks:

25


1. State and prove Rolle’s theorem.2. Find the points of relative extrema, the intervals on which the functions are increasing and those on

which they are decreasing of f(x)=x+1/x for x≠0.

3. State and prove interior-extremum theorem.4. Prove that every finite integral domain is a field.5. State and prove that the intersection of two ideals is an ideal.



25


1. State and prove Rolle’s theorem.

2. Find the points of relative extrema, the intervals on which the functions are increasing and those onwhich they are decreasing of f(x)=x+1/x for x≠0.3. State and prove interior-extremum theorem.4. Prove that every finite integral domain is a field.5. State and prove that the intersection of two ideals is an ideal.


Time: 1½ Hrs B.Sc-M-II Max. Marks:25


1. State and prove Rolle’s theorem.



2. Find the points of relative extrema, the intervals on which the functions are increasing and those onwhich they are decreasing of f(x)=x+1/x for x≠0.

3. State and prove interior-extremum theorem.4. Prove that every finite integral domain is a field.5. State and prove that the intersection of two ideals is an ideal.



25


1. State and prove Rolle’s theorem.2. Find the points of relative extrema, the intervals on which the functions are increasing and those on

which they are decreasing of f(x)=x+1/x for x≠0.3. State and prove interior-extremum theorem.4. Prove that every finite integral domain is a field.5. State and prove that the intersection of two ideals is an ideal.


Time: 1½ Hrs B.Com-BOM-I Max. Marks: 25

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1. Explain fayol’s principles of management. 10M2. Explain the steps involved in business planning. 10M3. A) Explain levels of management B) discuss management as an ‘Art’. 5M



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1. Explain fayol’s principles of management. 10M2. Explain the steps involved in business planning. 10M3. A) Explain levels of management (B) discuss management as an ‘Art’. 5M



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Time: 1½ Hrs B.Com-BOM-I Max. Marks: 25-------------------------------------------------------------------------------------------------------------------------------------------------------------




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Time: 1½ Hrs B.Sc. II-OOPs with Java Max. Marks: 25

-------------------------------------------------------------------------------------------------------------------------------------------------------------Answer any FIVE questions 5x5=25

1. What is an applet. Explain live cycle of applet.

2. Explain applet tag briefly.3. What is linked list? Explain its operations.4. What is stack. Explain stack operations.5. What is tree. Explain traversing methods.6. What is queue. Explain queue operations.7. Explain selection sort (or) insertion sort techniques.


Time: 1½ Hrs B.Sc. II-OOPs with Java Max. Marks: 25-------------------------------------------------------------------------------------------------------------------------------------------------------------Answer any FIVE questions 5x5=25

1. What is an applet. Explain live cycle of applet.2. Explain applet tag briefly.3. What is linked list? Explain its operations.4. What is stack. Explain stack operations.5. What is tree. Explain traversing methods.6. What is queue. Explain queue operations.7. Explain selection sort (or) insertion sort techniques.




IV UNIT TEST EXAMINATION 2011-2012Time: 1½ Hrs B.Sc. II-OOPs with Java Max. Marks: 25


1. What is an applet. Explain live cycle of applet.2. Explain applet tag briefly.3. What is linked list? Explain its operations.4. What is stack. Explain stack operations.5. What is tree. Explain traversing methods.

6. What is queue. Explain queue operations.7. Explain selection sort (or) insertion sort techniques.


Time: 1½ Hrs B.Sc.II- OOPs with Java Max. Marks: 25


1. What is an applet. Explain live cycle of applet.2. Explain applet tag briefly.3. What is linked list? Explain its operations.

4. What is stack. Explain stack operations.5. What is tree. Explain traversing methods.6. What is queue. Explain queue operations.7. Explain selection sort (or) insertion sort techniques.


Time: 1½ Hrs B.Sc-III.DBMS and Web Programming Max. Marks: 25


1. What is CSS. Explain XML CSS.2. What is DTC. Explain types.3. Write brief notes on XML DOM.

4. What is need of ODBMS.5. Explain two phase commit protocol.6. Explain about evolution model.




1. What is CSS. Explain XML CSS.2. What is DTC. Explain types.

3. Write brief notes on XML DOM.4. What is need of ODBMS.5. Explain two phase commit protocol.6. Explain about evolution model.




1. What is CSS. Explain XML CSS.

2. What is DTC. Explain types.3. Write brief notes on XML DOM.4. What is need of ODBMS.5. Explain two phase commit protocol.



6. Explain about evolution model.












Time: 1½ Hrs IIIB.Com. Business Law and Auditing Max. Marks: 30

-------------------------------------------------------------------------------------------------------------------------------------------------------------Answer the following questions

1. What are the objects of consumer protection act 1986.2. Explain the duties and liabilities of direction of a company.3. State the meaning and importance of vouching.





PRIYADARSHINI DEGREE & PG COLLEGE, KOTHAGUDEM.IV UNIT TEST EXAMINATION 2011-2012Time: 1½ Hrs IIIB.Com. Business Law and Auditing Max. Marks: 30






1. What are the objects of consumer protection act 1986.2. Explain the duties and liabilities of direction of a company.



3. State the meaning and importance of vouching.




1. What are the objects of consumer protection act 1986.

2. Explain the duties and liabilities of direction of a company.3. State the meaning and importance of vouching.






Time: 1½ Hrs B.S.c: Chemistry-II Max. Marks: 25

Answer any THREE of the following questions 3x5=151. Explain about hittorf method.2. Electrophoretic effect or transport number.3. Write partial asymmetric synthesis, with example.4. Define debye-huckle onsager equation.

5. Types of peci cyclic reactions.Answer any TWO of the following questions 2x5=106. Explain retro synthesis with any one example.7. Hydrogen electrode8. Applications of Emf.


Time: 1½ Hrs B.S.c: Chemistry-II Max. Marks: 25

Answer any THREE of the following questions 3x5=151. Explain about hittorf method.2. Electrophoretic effect or transport number.3. Write partial asymmetric synthesis, with example.4. Define debye-huckle onsager equation.5. Types of peci cyclic reactions.

Answer any TWO of the following questions 2x5=106. Explain retro synthesis with any one example.7. Hydrogen electrode8. Applications of Emf.


IV UNIT TEST EXAMINATION 2011-2012Time: 1½ Hrs B.S.c: Chemistry-II Max. Marks: 25

Answer any THREE of the following questions 3x5=151. Explain about hittorf method.





4. Explain various storage classes of C.5. Write a C program to add two matrices.6. Explain recursion with an example.

PRIYADARSHINI DEGREE & PG COLLEGE, KOTHAGUDEM.IV UNIT TEST EXAMINATION 2011-2012Time: 1½ Hrs B.C.A-I FIT and C Programming Max. Marks: 25

Answer any FIVE of the following questions 5x5=251. What is operating system? Explain the functions of operating system.2. Explain the network topologies.3. What is software? Explain the system software and application software.4. Explain various storage classes of C.5. Write a C program to add two matrices.6. Explain recursion with an example.


Time: 1½ Hrs III MCCs: Chemistry III Max. Marks: 25

Answer the ALL questions.1. Write the mechanism of Langmuir- hinshelwood for heterogeneous catalysis.2. Write about different types of catalysis and explain about meissiner effect.3. Write a short note on classification of enzymes.4. Explain first order reaction and its half life.5. Explain joblanski diagram and quantum efficiency.6. Write about grother’s-droper equation.



Answer the ALL questions.1. Write the mechanism of Langmuir- hinshelwood for heterogeneous catalysis.2. Write about different types of catalysis and explain about meissiner effect.

3. Write a short note on classification of enzymes.4. Explain first order reaction and its half life.5. Explain joblanski diagram and quantum efficiency.6. Write about grother’s-droper equation.



Answer the ALL questions.

1. Write the mechanism of Langmuir- hinshelwood for heterogeneous catalysis.2. Write about different types of catalysis and explain about meissiner effect.3. Write a short note on classification of enzymes.4. Explain first order reaction and its half life.



5. Explain joblanski diagram and quantum efficiency.6. Write about grother’s-droper equation.


IV UNIT TEST EXAMINATION 2011-2012Time: 1½ Hrs III MCCs: Chemistry III Max. Marks: 25

Answer the ALL questions.1. Write the mechanism of Langmuir-hinshelwood for heterogeneous catalysis.2. Write about different types of catalysis and explain about meissiner effect.3. Write a short note on classification of enzymes.4. Explain first order reaction and its half life.5. Explain joblanski diagram and quantum efficiency.6. Write about grother’s-droper equation.


Time: 1½ Hrs III BtZc, BZC, BtBC: Chemistry III Max. Marks: 25

Answer the ALL questions.1. Write the mechanism of Langmuir- hinshelwood for heterogeneous catalysis.2. Write about different types of catalysis and explain about meissiner effect.3. Write a short note on classification of enzymes.4. Determine the magnetic susceptibility by gouy’s method and explain the classification of

magnetic substance.

5. Describe the job’s method for determination of composition of complex and what is transeffect give it applications.6. Write the C.F.T splitting in a octahedral complexes [high spin and low spin] and calculate the

C.F.S.E of octahedral complexes.



Answer the ALL questions.1. Write the mechanism of Langmuir- hinshelwood for heterogeneous catalysis.2. Write about different types of catalysis and explain about meissiner effect.3. Write a short note on classification of enzymes.4. Determine the magnetic susceptibility by gouy’s method and explain the classification of

magnetic substance.5. Describe the job’s method for determination of composition of complex and what is trans

effect give it applications.6. Write the C.F.T splitting in a octahedral complexes [high spin and low spin] and calculate the






Answer the ALL questions.1. Write the mechanism of Langmuir- hinshelwood for heterogeneous catalysis.2. Write about different types of catalysis and explain about meissiner effect.3. Write a short note on classification of enzymes.

4. Determine the magnetic susceptibility by gouy’s method and explain the classification of magnetic substance.5. Describe the job’s method for determination of composition of complex and what is trans

effect give it applications.6. Write the C.F.T splitting in a octahedral complexes [high spin and low spin] and calculate the



Time: 1½ Hrs III (Bsc)Operating system & DBMS Max. Marks: 25

I. Answer any one of the following questions. 1X2=2Ma. Explain storage Area network. b. Explain network attached storage.II. Answer any one of the following Questions 1X10=10M1. Explain about different types of allocation.2. Explain different types of disc scheduling algorithms.III. Answer the following Questions.3. Explain two-phase commit protocol.4. Explain the Architecture B.I.



I. Answer any one of the following questions. 1X2=2Ma. Explain storage Area network. b. Explain network attached storage.II. Answer any one of the following Questions 1X10=10M

1. Explain about different types of allocation.2. Explain different types of disc scheduling algorithms.III. Answer the following Questions.3. Explain two-phase commit protocol.4. Explain the Architecture B.I.



I. Answer any one of the following questions. 1X2=2Ma. Explain storage Area network. b. Explain network attached storage.II. Answer any one of the following Questions 1X10=10M1. Explain about different types of allocation.



2. Explain different types of disc scheduling algorithms.III. Answer the following Questions.3. Explain two-phase commit protocol.4. Explain the Architecture B.I.


IV UNIT TEST EXAMINATION 2011-2012Time: 1½ Hrs III (Bsc)Operating system & DBMS Max. Marks: 25

I. Answer any one of the following questions. 1X2=2Ma. Explain storage Area network. b. Explain network attached storage.II. Answer any one of the following Questions 1X10=10M1. Explain about different types of allocation.2. Explain different types of disc scheduling algorithms.III. Answer the following Questions.3. Explain two-phase commit protocol.4. Explain the Architecture B.I.


Time: 1½ Hrs II-BCOM(E-commerce & BDPS) Max. Marks: 25

I. Answer any one of the following questions. 1X2=2Ma. Explain flat-pricing. B. Explain common mail standards.II. Answer Two from BDPS and one from Ecommerce1. What is electronic data interchange(EDI) define it.2. Discuss the EDI legal, security and Privacy issues.3. Explain two options available in new form dialogue box.4. Explain the process of main and sub form creation



I. Answer any one of the following questions. 1X2=2Ma. Explain flat-pricing. B. Explain common mail standards.II. Answer Two from BDPS and one from Ecommerce1. What is electronic data interchange(EDI) define it.2. Discuss the EDI legal, security and Privacy issues.3. Explain two options available in new form dialogue box.

4. Explain the process of main and sub form creation










Time: 1½ Hrs M4(III-BSC) Max. Marks: 25

1. Use the Runge-Kutta method to solve 10dy/dx=x2+y2,y(0)=1 for the interval 0<x≤0.4 with h=0.12. Solve the equation by 2x+3y+z=9,x+2y+3z=6,3x+y+2z=8 by decimal position.3. Solve the equations 10x1-2x2-x3-x4=3,-2x1+10x2-x3-x4=15,-x1-x2+10x3-2x4=27,

-x1-x2-2x3+10x4=-9 by Jacobi’s method.







1. Use the Runge-Kutta method to solve 10dy/dx=x2

+y2

,y(0)=1 for the interval 0<x≤0.4 with h=0.12. Solve the equation by 2x+3y+z=9,x+2y+3z=6,3x+y+2z=8 by decimal position.3. Solve the equations 10x1-2x2-x3-x4=3,-2x1+10x2-x3-x4=15,-x1-x2+10x3-2x4=27,




1. Use the Runge-Kutta method to solve 10dy/dx=x2+y2,y(0)=1 for the interval 0<x≤0.4 with h=0.1

2. Solve the equation by 2x+3y+z=9,x+2y+3z=6,3x+y+2z=8 by decimal position.3. Solve the equations 10x1-2x2-x3-x4=3,-2x1+10x2-x3-x4=15,-x1-x2+10x3-2x4=27,-x1-x2-2x3+10x4=-9 by Jacobi’s method.










-x1-x2-2x3+10x4=-9 by Jacobi’s method.PRIYADARSHINI DEGREE & PG COLLEGE, KOTHAGUDEM.

IV UNIT TEST EXAMINATION 2011-2012Time: 1½ Hrs M-III(Bsc) Max. Marks: 25

Answer All Question.1. In the Integral ∫ ∫ (4-y)dxdy. Change the order of Integration.2. Evaluate ∫ dx/x+y where c is the curve x=at2,y=2at,0≤t≤2.3. P.T r n=n(n+1)r n-2

4. Evaluate ∫∫ F.n ds where F=(2xy) i+(yz2)j+(xz)k ‘s’ is the surface of the region bounded byx=0,y=0,z=0 x+2z=6.

5. S.T A=(2x2+8xy2z)i+(3x3y-3xy)j-(4y2z2+2x3z)k is not solenoidal but b=xyz2 A is solenoidal.


Time: 1½ Hrs M-III(Bsc) Max. Marks: 25


4. Evaluate ∫∫ F.n ds where F=(2xy) i+(yz2)j+(xz)k ‘s’ is the surface of the region bounded by

x=0,y=0,z=0 x+2z=6.5. S.T A=(2x2+8xy2z)i+(3x3y-3xy)j-(4y2z2+2x3z)k is not solenoidal but b=xyz2 A is solenoidal.














SUB: CMA MARKS: 25

…….………………………………………………………………………………...1. From the following particulars draw up the Balance Sheet of the company. (10M)

Current Ratio 2.5Quick Ratio 1.5

Networking capital Rs. 30,000Stock Turnover ratio (CGS/ Closing stock) 6 timesGross profit ratio 20%Fixed assets turnover ratio (on cost of sales) 2 times

Debtors turnover ratio 0.80Reserves and surplus to capital 0.50

2. The following balance sheet relates to Rajdhani Enterprizes ltd. You are required to prepare a

Cash flow statement. (10M)

Balance sheet

Liabilities 1991 1992 Assets 1991 1992

CapitalReservesDebenturesBank loan

Current liabilitiesProvision for taxProvision for dividend

7,50,00050,000

2,00,00050,000

25,00025,000

10,000

8,00,00060,000

1,40,000-------

30,00070,000

10,000

Good willMachineryFurnitureStock

DebtorsCash

Preliminary exp

2,00,0005,00,0002,00,0001,50,000

25,00025,000

10,000

1,50,0005,50,0003,00,000

50,000

50,00010,000

------11,10,000 11,10,000 11,10,000 11,10,000

Additional information:During 1992 depreciation written off on Machinery and Furniture was Rs. 50,000 and Rs. 75,000respectively.

3. Calculate cash from operations 5M

Total sales 80,000Debtors at the beginning 6,000Debtors at the end 11,000Total purchases 60,000



Creditors at the beginning 10,000Creditors at the end 15,000Total operating expenses 6,000Prepaid expenses at the beginning 2,000Prepaid expenses at the end 1,000Outstanding exp at the end 2,000




SUB: B.Stats MARKS: 25

…….………………………………………………………………………………...1. Calculate Fisher’s Indes from the following data and show that it satisfies Time and Factor reversal

tests: (10M)Commodity 1970 1980

Price Quantity price QuantityA 12 100 20 120B 4 200 5 220C 8 120 12 140D 20 60 24 75

2. Fit a straight line trend by least square method to the data given below and estimate trend for 1983.(10M)Year: 1977 1978 1979 1980 1081 1982Sales (in ‘000 Rs) 10 12 15 16 18 19

3. Given Y = 300+24X (Origin 1991) X-unit = 1 year. Y – Unit = annual profits (000 Rs). Convert intomonthly trend equation.


SUB: B.Stats MARKS: 25

…….………………………………………………………………………………...1. Calculate Fisher’s Indes from the following data and show that it satisfies Time and Factor reversal

tests: (10M)Commodity 1970 1980Price Quantity price Quantity

A 12 100 20 120B 4 200 5 220C 8 120 12 140D 20 60 24 75

2. Fit a straight line trend by least square method to the data given below and estimate trend for 1983.(10M)Year: 1977 1978 1979 1980 1081 1982

Sales (in ‘000 Rs) 10 12 15 16 18 19

3. Given Y = 300+24X (Origin 1991) X-unit = 1 year. Y – Unit = annual profits (000 Rs). Convert intomonthly trend equation.

IV Unit Test

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