TECNIA INTERNATIONAL SCHOOL (An English Medium Senior Secondary School Affiliated To CBSE)

F-19, SECTOR-8, ROHINI

NEW DELHI-110085

General Instruction:-

Paste & complete all the worksheets in the respective notebooks.

CLASS: XI

SUBJECT: ENGLISH

WORKSHEET-1

TOPIC: POEM: A PHOTOGRAPH

ANSWER THE FOLLOWING QUESTIONS IN 50-60 WORDS

1. What does the cardboard depicts?

2. What does the uncle captured with the camera and how did the incident became a

memorable one?

3. What changes did the passage of time brings about in the mother?

4. How did the death of the mother affect the poet?

5. “Change is an essential and inevitable part of life “. How does the poet reflect upon

this thought through the poem?

6. Explain the following expressions:

a) Terribly transient feet

b) Both wry with the laboured ease of loss

c) This circumstance

d) Its silence silences

ADVANCESD WRITING SKILLS

7. Your school is holding a summer camp for training students in Basketball. Write a

notice in not more than 50 words to be displayed on the notice board of your school.

You are the Sports Captain of the school.

8. Your school is celebrating its Silver Jubilee. As the Secretary of the Cultural Forum,

write a notice in about 50 words, informing the students about this ceremony.

9. Your school is organizing a cultural evening to collect funds for old age homes. Draft

a notice for it to be displayed on your school notice board. You are the head boy/ head

girl

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CLASS: XI

SUBJECT: PHYSICS

WORKSHEET-1

TOPIC: UNITS AND MEASURMENT

1. Write four limitations of dimensional analysis

2. If (P + a/V2) (V-b) = RT, Where the difference symbols have their usual meaning

then what are the dimensions of a and b.

3. Solve the following to correct significant figures

(i) 5.1 + 13.235 (ii)7.54 + 18.1295 (iii)14.632 – 5.52345 (iv)3.021 X 11

4. Convert 1 joule into 1 erg.

5. Define 1 light year.

6. Compare all fundamental forces.

7. What is the difference between 5.0 and 5.000?

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CLASS: XI

SUBJECT- CHEMISTRY

WORKSHEET-1

TOPIC- SOME BASIC CONCEPTS OF CHEMISTRY

Q1 Express the following numbers to four significant figures:

(i) 5.607892 (ii) 1.7896 x 103

Q2 What is the length in centimeters of a glass rod 7.82 inches long?

Q3 Explain the use of limiting and excess reagents in a chemical reaction.

Q4 Calculate the mass of 3 g molecules of nitric acid.

Q5 Calculate the number of moles present in 80 g of sulphur, if the molecular formula of sulphur is

S8.

Q6 Differentiate between molecular mass and formula mass.

Q7 Calculate the total number of electrons present in 1.6 g of methane.

Q8 Fe2(SO4)3 is empirical formula of a crystalline compound of iron. It is used in water and

sewage treatment to aid in the removal of suspended impurities. Calculate the mass percentage

of iron, sulphur and oxygen in this compound.

Q9 What is the mass in grams of one molecule of caffeine (C8H10N4O2)?

Q10 Explain precision and accuracy with suitable examples.

Q11 Carbon and oxygen are known to form two compounds. The carbon content in one of these is

42.9% while in the other it is 27.3%. Show that this data is in agreement with the law of multiple

proportions.

Q12 Calculate the number of grams of oxygen in 0.10 mol of Na2CO3.10H2O.

Q13 If 20.0 g of CaCO3 is treated with 20.0 g of HCl, how many grams of CO2 can be generated

according to the following equation:

CaCO3 (s) + 2HCl (aq) → CaCl2 (aq) + H2O (l) + CO2 (g)

Q14Chlorophyll, the green colouring matter of plants responsible for photosynthesis, contains

2.68 % of magnesium by mass. Calculate the number of magnesium atoms in 2.00 g of

chlorophyll.

Q15 In a reaction vessel 0.184 g of NaOH is required to be added for completing the reaction.

How many mL of 0.150 M NaOH solution should be added for this requirement?

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CLASS XI MATHS

WORKSHEET1

COMPLEX NUMBERS AND PRINCIPLE OF MATHEMATICAL INDUCTION

Q1. The sum of the cubes of three consecutive natural no. is divisible by 9.

Q2. Prove that 12n + 25n-1 is divisible by 13.

Q3. Prove 11n+2 + 122n+1 is divisible by 133.

Q4. Prove by PMI.

x n-yn is divisible by (x-y) whenever x-y ≠ 0 .

Q5.

Q6. Find the real values of x and y if (x - iy) (3 + 5i) is the conjugate of – 6 – 24i.

Q7.

Q8.

Q9.

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CLASS XI

BIOLOGY

WORKSHEET

BIOLOGICAL CLASSIFICATION

COMPLETE THE FOLLOWING TABLE:

Kingdom

Bacteria Archae Protista Fungi Plantae Animalia

Cell type

Cell wall

Body form

Nutrition

Locomotion

Reproduction

Examples

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Class: XI

Sub: Computer Science C++

Worksheet 1:

Topic: Computer Overview and Getting Started with C++

Q1 1000000th of a second is known as?

Q2 What is file compression? What are the benefits of file compression?

Q3 Mention the two types of memory chips used for primary memory.

Q4 When was the first computer developed? What is the name of that computer?

Q5 Define each of the following:

(a) Nibble (b) Byte (c) Kilobyte (d) Megabyte (e) Gigabyte (f) Terabyte

Q6 What is the different between “operating system” & “Application software”?

Q7 Which programming language was used to program first generation computers?

Q8 What do you mean by Artificial intelligence?

Q9 Identify the invalid variable name and give the reason why?

(a) A_1 (b) 1file (c) _1name

(d)amount.file (e) book_mark (f) 1_sname

Q10 Point out the error in the following program:

void main()

{ cout<<’’hello world’’;

return 0;

}

Q11 Find out the errors , if any, in the following C++ statements:

(a) cout<<”a=”a; (e) m=5,n=12;a=15

(b) cout<<”x”;<,x; (f) cin>.y;>>j

(c) cin>>”#n”>>y; (g) a=b+c;

(d) cout>>#n”abc”;

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CLASS – XI

SUBJECT – INFORMATICS PRACTICES

WORKSHEET – 1

CHAPTER – 1 (TOPIC – MEMORY)

Q1. Fill in the blanks:

1. When we start a computer, operating system is loaded into ____________.

2. Diameter of a CD is _______________, of a DVD is ______________ and of a BD is

_______________.

3. External Memory is also known as _________________.

Q2. Match the following:

1. RAM 1 KB

2. ROM Rey Johnson

3. 1024 Bytes Non-Volatile in nature

4. Inventor of Hard Disk Volatile Memory

Q3. Write the full forms for the following abbreviations

1) RAM 5) MB

2) ROM 6) KB

3) CD 7) GB

4) DVD 8) TB

Q4. Write the storage capacities of the following devices:-

1) Hard Disk 3) DVD

2) Multimedia card 4) CD

Q5. Answer the following:-

1. Why Flash drives are so popular? Give reasons.

2. Why hard disk is required in a computer?

3. Which computer memory works like an audio cassette?

Q6. Differentiate between each of the following:-

1. RAM and ROM

2. Internal Memory and External Memory

3. DVD and BD

4. Bit and Byte

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CLASS: XI

WORKSHEET-1

ECONOMICS TOPIC- ECONOMICS: AN INTRODUCTION AND TABULAR PRESENTATION

Q.1 Define the following:

(i)Wealth definition of economics (ii) Welfare definition of economics (iii) Scarcity definition of

economics (iv) Growth oriented definition of economics (v) Consumption (vi) Production (vii)

Exchange (viii) Distribution (ix) Consumer (xiv) Producer (xv)Economic activity (xvi) Non-

economic activity (xvii) Scarcity (xviii) Service holder (xix) Service Provider.

Q.2 Give difference between economic activities and non- economic activities?

Q.3 Discuss the features of a good table?

Q.4 Give difference between textual presentation and tabular presentation?

Q.5 Give difference between classification and tabulation.

Q.6 What are the requirements of a good table.

Q.7 Explain the following parts of a table: (i) table Number,(ii) Title,(iii)Captions,(iv) Stubs,(v)

Body of the table,(vi) Head note,(vii) Source Note(viii) Footnote.

Q.8 Explain the difference between special purpose table and general purpose table.

Q.9 Give difference between original table and derived table?

Q.10 Explain the difference between two-way table, three-way table and manifold table?

Q.11 Define tabulation. Explain its objectives.

Q.12 ‘Economics is a study of scarcity’. Discuss.

Q.13 Explain the three economic activities?

Q.14 Discuss the main characteristics of scarcity definition given by Robbins.

Q.15 Briefly discuss the most accepted definition of economics.

Q16 Draw a blank table for two streams, arts and science in a school in the year 2015.

Q.17 Prepare a blank table showing profits and losses made by two companies :X,Y and Z in the

year 2012 and 2013.

Q.18 Make a blank table to show the percentage of rural and urban population in India in

2005,2006 and 2007.

Q.19 In a sample study about tea habits in two cities X and Y, the following data was received:

City X: Females were 50%, Total tea drinkers were 40% and male non-tea takers were 25%.

City Y: Males were 55%, Male non-tea takers were 35%, and female tea takers were 20%.

Present the above data in a tabular form.

Q.20 Total strength of students admitted in college in the year 2015 is 1000 in the three courses

B.com(H), Eco (H) and Chem(H). There were 200 boys in B.com(H),240 girls in Eco(H) and 160

boys in Chem(H). 80 boys in B.Com(H) are from rural area, 60 girls of Eco(H) are from urban

area. 70 girls in chem(H) are from rural area and 50 girls are from urban area. 60 boys in Eco(H)

and 40 boys in Chem(H)are from rural area. 20 girls in B.com(H )are from urban area. Arrange

the above data in Tabular form.

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CLASS-XI

SUBJECT-BUSINESS STUDIES

WORKSHEET-1

TOPIC-CONCEPT OF BUSINESS

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WORKSHEET 1

CLASS XI

Subject ACCOUNTANCY

TOPIC: Concept of Accounting

Q1. Define Accounting.

Q2. What is Accounting cycle?

Q3. Explain any four objective of Accounting.

Q4. Write any three users of Accounting information. Why do they need Accounting information.

Q5. What are internal liabilities?

Q6. Explain the following basic accounting terms:

(1) Assets

(2) Expenses

(3) Sales

(4) Inventory

(5) Capital

Q7. What is meant by window dressing in Accounting?

Q8. Which value is most important for a good accountant?

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Class: XI

Sub: Multimedia & Web Technology

Worksheet 1

Topic: Computer Overview

Q1. Distinguish hardware, software, firmware and human ware.

Q2. What distinguishes a Computer from a Calculator and from a human being?

Q3. What is the difference between RAM and ROM?

Q4. What is MICR?

Q5. What is the difference between flatbed plotter and drum plotter?

Q6. What are the two categories of printers? What type of printer is found to be

speedier?

Q7. Differentiate between online and offline UPS?

Q8. What is the use of BIOS in computer system?

Q9. What are the three types of language processors?

Q10. Write down the short notes on the following.

(i) Zip Drive (ii) DAT Drive

Q11. What do you mean by motherboard? Name a few components used in

motherboard.

Q12. Define an operating System? Give an example of single user, multitasking

Operating system?

Q13. What are utilities? Name some utilities?

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SUBJECT – SOCIOLOGY

CLASS - XI

Worksheet-1

Q1. What is Anthropology?

Q2. Define Bourgeoisie.

Q3. Explain the concepts of Social facts.

Q4. How society is a continuous process?

Q5. What is the relationship between Sociology and Psychology?

Q6. Discuss relationship between Economics and Sociology.

Q7. How Sociology and Political Science are related to each other ?

Q8. Discuss the revolutionary changes in 19th

century Europe that led to the

emergence of Sociology.

Q9. Discuss relationship between Sociology and History.

Q10.Difference between Sociology and Political Science.

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