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Accountancy XI

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Biology, XI

PHOTOSYNTHESIS IN HIGHER PLANTS :-

1. Diagramatically represent cyclic and non-cyclic photophosphorylation.
2. Differentiate between a) C3 and C4 plants
3. b) cyclic and non-cyclic light reaction.
4. c) C3 and C4 pathway
5. With the help of a diagram explain chemi osmotic hypothesis.
6. Schematically represent calvin cycle.
7. RuBisCo is an enzyme that acts both as a carboxylase and oxygenase. Why

do you think RuBisCo carries out more carboxylation in C4 plants ?

1. Give a schematic representation of C4 cycle.

RESPIRATION IN PLANTS :-

Answer all the questions of  exercise of the chapter.

Economics, XI

1. Compute the mean deviation from the median and from the mean for the following distribution of the scores of 50 college students:
 Scores 140-150 150-160 160-170 170-180 180-190 190-200 Frequency 4 6 10 18 9 3

1. Calculate quartile deviation and its coefficient from the following data
 Size 5-10 10-15 15-20 20-25 25-30 30-35 35-40 40-45 45-50 frequency 6 10 18 30 15 12 10 6 4

1. Find the coefficient of correlation between X AND y series from the data:
 X 10 12 8 15 20 25 40 Y 15 10 6 25 16 12 8

1. PROJECT

Maths, XI

CONIC SECTIONS

1.Find the centre and radius of circle  .

2.Find the equation of circle passing through the points (4,1) &(6,5)and centre is on the line 4x+y=16.

1. Find the equation of parabola vertex (0,0) and passing (2,3) and axis is along x-axis.
2. Find the equation of ellipse , vertices .
3. Find the equation of ellipse major axis is on x-axis passing through the points (4,3) &(6,2).
4. Find the equation of hyperbola vertices .
5. Find the equation of hyperbola ,passing point (2,3).

8.An arch is in the form of a parabola with its axis is vertical. The arch is 10m high 5m wide at the centre.  How wide is it 2m from the vertex of parabola.

1. An arch is in the form of a semi ellipse , The arch is 2m high 8m wide at the centre. Find the height of arch at a point 1.5 m from one end.
2. An equilateral triangle is inscribed in a parabola , where one is at the vertex of parabola. Find the length of side of triangle.

3-D

1.Find the ratio in which the YZ-plane divide the line segment joining (-2,4,7)& (3,-5,8)

1. Find the coordinate of the point on y-axis which is at a distance of from the point (3,-2,5)

3.Apoint R with x-coordinate 4 , lies on the line segment joining (2,-3,4,)& (8,0,10), find the    coordinate of R.

Economics, XI

1.How is seasonal unemployment different from disguised unemployment?

2.What is educated unemployment?

3.What do you mean by progressive taxation policy?

4.Suggest measures to increase employment opportunities.

5.How are unemployment and underemployment different?

6.Suggest remedies to solve unemployment problem.

7.What remedies do you suggest to solve the problem of urban unemployment?

8.Distinguish between economic infrastructure and social infrastructure.

9.Define infrastructure.

10.How can the energy crisis be overcome with the use of renewable source of energy?

Computer Science, XI

NAME OF TEACHER- BAIJU V, SHIFT –II

1. Make a software using C++, that implements the use of topics studied .(For example- Quiz programs, games etc).

Business Studies XII C

· Explain ‘management is all pervasive’.

· Can a business satisfy its work force by paying salaries higher than what market offers. Explain your answer.

· Management cannot be truly a ‘science’. Do you agree? Explain with reasons.

· Explain with examples how an effective management uses features from art and profession.

Management is a series of continuous interrelated functions. Explain.

(Date of submission- First week of June2015) (Shift-II)

Maths XI

Shift-II

Date of submission: 2 Jan., 2015

Physics XI

Shift-II

Date of submission: 2 Jan., 2015

1. How does the Young’s modulus change with rise in temperature?

2. A rain drop of radius r falls in air with a terminal velocity v. what is the terminal velocity of a rain drop of radius 3r?

3. Why does air bubble in water goes up?

4. A wire is stretches by a certain amount under a load. If the load and radius are both increased to four times, find the stretch caused in the wire?

5. Calculate the percentage increase in the length of a wire of diameter 2 mm stretched by a force of 1 kg F. Young’s modulus of the material of wire is 15×1010 N m-2.

6. 27 identical drops of water are falling down vertically in air each with a terminal velocity of 0.15 m/s. If they combine to form a single bigger drop, what will be its terminal velocity?

7. Water at a pressure of 4×1010 N/m2 flows at 2 m/s through a pipe of 0.02 m2 cross sectional area which reduces to 0.01 m2. What is the pressure in the smaller cross section of the pipe?

8. A liquid takes 10 minute to cool from 700C to 500C. How much time will it take to cool from 600C to 400C? The temperature of the surrounding is 200C.

9. Calculate the total pressure inside a spherical air bubble of radius 0.2 mm at a depth of 2 m below the surface of a liquid of density 1.1 g/cc and surface tension 50 dyne/cm. Atmospheric pressure is 1.1×105 N/m2.

10. Show that there is always excess of pressure on the concave side of the meniscus of a liquid. Obtain the expression for the excess of pressure inside (i) a liquid drop (ii) a liquid bubble.

Computer Science XI

Shift-II

Date of submission: 2 Jan., 2015

1.Write the syntax and use of keywords break,continue,goto and exit() function. Explain each with proper examples.

2. What are nested for loops? Write a program to illustrate the use of nested for loop.

3.Write a program to convert entered number into its corresponding character. (For ex:- 123 as OneTwoThree)

4. . Explain the following terms with proper examples:

a)Array (b) Class (c) Object (d) Inheritance (e) Polymorphism (f) structure

5. . Explain the following terms with proper examples:

a) Syntax errror (b) Runtime error (c) Compile time error (d) Logic error

6. Define arguments. Differentiate between different types of arguments. Give proper examples

7.Write a program to calculate volume and area of a sphere(Volume=4/3πr3 and 4πr2 ) by passing arguments

8 Write a program to check whether a number is prime or not by passing arguments to a function.

Informatics Practices XI

Shift-II

Date of submission: 2 Jan., 2015

2. Differentiate between compile time and run time errors.

3. Which error is harder to locate and why?

4. Explain the following terms:

a) Exception handling b) Syntax c) Portability

d) Prettyprinting e) Syntax error

5. The code given below will give an error on execution if the value entered in t2 is 0.

Identify the type of the error and modify the code to handle such an error.

int a,b,c;

a= Intger.parseInt(t1.getText());

b= Intger.parseInt(t2.getText());

c= a / b;

6. Explain in detail about various steps involved in the development of a new application. Also represent the steps using a diagram.

7. What is the main difference between a while loop and a do while loop?

8. What will be the content of jTextField1 after executing the following code:

int Num = 6;

Num = Num + 1;

if ( Num > 5)

jTextField1.setText(Integer.toString(Num));

else

jTextField1.setText(Integer.toString(Num+5));

9. Write the syntaxes of all MySQL statements you know.

10. Implement all the MySQL syntaxes you know in the following table. Write the query and ouputs.

Table:TEACHER

 No. Name Age Department Join_date Salary Sex 1 Jugal 34 Computer 10/01/97 12000 M 2 Sharmila 31 History 24/03/98 20000 F 3 Sandeep 32 Maths 12/12/96 30000 M 4 Sangeeta 35 History 01/07/99 40000 F 5 Rakesh 42 Maths 05/09/97 25000 M 6 Shyam 50 History 37/06/98 30000 M 7 Shivam 44 Computer 25/02/97 21000 M 8 Shalakha 33 Maths 31/07/97 20000 F

Chemistry XI

Thermodynamics: NCERT in text questions.

Equilibrium: NCERT in text questions.

Date of submission: 2 Jan., 2015

SHIFT-II

Biology, XI B

1. Exercise question answers of chapters i) Respiration in plants.

ii) Plant growth and development.

iii) Digestion and absorption in humans.

2. Investigatory Project

Tr. Chandrika V.K (PGT Biology shift II)

Date of submission: 2 Jan. 2014

English IX A,B,C

Q 1. Note making

Read the passage ‘Green Sahara’ given on pages 96-98 in Hornbill and make notes on it using an appropriate format. Use minimum four abbreviations 5 marks

Q 2. Make a summary of the above in 80 words 3 marks

Q 3. Read the newspaper article ‘ A New Deal for Old Cities’ on pages99-101 of ‘Hornbill’ and divide it into four sections. Give suitable sub-heading for each section.(One has been done as an example) 4 marks

Q 4. Read Chapter 4 on pages 102-106. Study the techniques of writing an essay. Follow the steps given and write essays on the topics

a. Success begins in the mind

b. Think before you shop. 10 marks each

Q 5. Refer chapter 5 (Pages 107-115)

Write the following letters: 6 marks each

a. You have not received your Roll Number card for the Class XII examination. Write a letter to the Registrar, Examination Branch, CBSE asking for it.

b. Write a letter to the President, Resident’s Welfare Association of your locality suggesting some measures that could be taken for solving the problem of water scarcity and conserving water.

c. Write a letter to the editor of a magazine expressing your views on the deteriorating law and order situation in your city.

Ms Sasikala, PGT (Eng)

Shift-II