D.T.E.A. SR. SEC. SCHOOL, LODHI ESTATE
HOLIDAY HOMEWORK (2017-2018)
CLASS X
ENGLISH
1.Write articles on the following topics.
(a) The role of computers in Modern Life
(b) The defects of our education system
(c) Children are the future of a country
(d) Save Girl child
2. Write a story of your choice and describe about the most favourite character.
3. Read and enjoy first 5 chapters from “A story of my life”.
4. Write 100 unfamiliar words from the dictionary and write their meanings.
5. Do prepare answers for questions given at the end of the lessons 1 and 2.
6. Extract information about the life of any eminent personality. Then write his/her
Bio sketch in 100 words.
HINDI
 d{kk esa djk, x, lHkh ikBkssa ds iz’uksRrj ;kn dhft,A
 O;kdj.k ds fo”k; nksgjk,¡ A
 O;kdj.k dh iqfLrdk e safuEufyf[kr fo”k;ksa ij 80 ls 100 ‘kCnksa esa
vuqPNsn ys[kudhft,A
 esVªksa jsy&egkuxjh; thou dk lq[k nliuk
 LoPNrk vfHk;ku
 foKkiu vkSj gekjk thou
 ifj;kstuk dk;Z
 dchj] ehjk] fcgkjh bu rhuksa dk thou ifjp; buds fp=
vkSj budh ,d&,d jpuk fyf[k,Ajpuk ikB~; &iqLrd dh
ugha gksAjpuk ls lacaf/kr fp= Hkh yxkb, ;k cukb,A
TAMIL
I . fl;Liu
1 . fy;tpapd; rpwg;G
2 . ehd;tpUk;Gk; ftpQh;
3 . xd;W gl;lhy; cz;L tho;T
4 . ehl;L Kd;Ndw;wj;jpy; khzth;fspd; gq;F
5 . Rw;Wg;Gwj; J}a;ik
6 . Kaw;rpj; jpUtpidahf;Fk;
7 . tpz;ntspapy; ,e;jpar;rhjidfs;
8 . Ranjhopy; Kd;Ndw;wk;
9 . fzpg;nghwpapd; ,d;wpaikahik
10. md;whl tho;tpy; mwptpay;
II . fbjk;
1 . Rw;Wg;Gwr;rPh;Nfl;il ePf;ff; Nfhhpf; fbjk;
2 . FbePh; trjp Ntz;bf; fbjk;
3 . gOjhd kpd;tpsf;ifr; rhpnra;af; Nfhhp f; fbjk;
4 . ,d;iwa R+oypy; ,isQh;fisr; rPuopf;Fk; jPagof;fq;fSf;F
MshfhJ vr;rhpj;J ez;gDf;Ff; fbjk;
5 . Njh;tpy; ey;y kjpg;ngz;fisg; ngw Fwpg;Gfs; je;J
jk;gpf;Ff; fbjk;
III. mwpf;if
1 . ,yf;fpakd;w tpoh
2 . cly;cWg;Gjhd tpopg;Gzh;T Kfhk;
3 . ghujpjhrdhh; gpwe;jjpd tpoh
4 . kuk;eLtjd; Kf;fpaj;Jtj;ij tpsf;fp Kfhk;
5 . ckJ gs;spapy; eilngw;w tpisahl;L tpoh
IV > GJf;Fws; 10 jahhpf;f.
V . jpdk; xU gf;fk; ifnaOj;Jg; gapw;rp
V I. jpdk; nra;jpj;jhisg; gbj;J cd;kdk; ftu;e;j epfo;Tfs;
gj;jpid vOJf.
MATHS
1.
Find mean median and mode of the following data
a.
Class interval
0-10
10-20
20-30
30-40
40-50
50-60
60-70
70-80
Frequency
7
14
13
12
20
11
15
8
500600
600700
b. Class interval
below 20
Frequency
c.
Class interval
Frequency
2
17
0-100
below 40
22
100-200
2
below 60
5
300-400
12
b.321/125
50
400-500
17
20
9
7
c.111/1250
3
check whether x+2 is a factor ofx3+13x2+32x+20
4
Prove that √13 and2+3√5 are irrational numbers
6
37
Find the descimal expression without actual division
a. 123/400
5.
below 80
29
200-300
below
100
Find the HCF USING Euclids Division Algoritham
The mean of the distribution is 27.find p
class
0-10
1 0-2 0
frequency
8
p
20-30
12
a.336,54
30-40
13
40-50
10
PROJECT
Make a working model on the topic "MATHEMATICS IN DAILY
LIFE"
Do all the solved examples of Ch- 1, 2 & 14 in a separate notebook
N NATION BUILDING
b. 225,450
SCIENCE
Q1. Why does the color of copper sulphate solution change when an iron nail is dipped in it?
Q2. What is the balanced chemical equation? Why should chemical equations be balanced?
Q3. Explain the following in terms of gain or loss of oxygen with two examples each
(i)
Oxidation
(ii)
Reduction
Q4. Why do we apply paint on iron articles?
Q5. Oil and food containing food items are flushed with nitrogen. Why?
Q6. Why are decomposition reaction called the opposite of composition reaction. Write
equation for these reactions.
Q7. Explain the following terms:
(i)
Corrosion
(ii)
Rancidity
Q8. Write one equation each for decomposition reaction where energy is supplied in the form
of heat, light or electricity ?
Q9. What is the difference between displacement and double displacement reaction? Write
equation for these reactions ?
Q10. What does one mean by exothermic and endothermic reaction? Give example.
Q11. Define electric current and its S.I unit?
Q12. What is meant by saying that potential difference between two point is IV?
Q13. On what factors does the resistance of a conductor depend?
Q14.Whay are coils of electric toasters and electric irons made of alloy rather than a pure
metal?
Q15. What are the advantages of connecting electrical devices in parallel with the battery?
Q16. Why does the cord of an electric heater not glow while the heating element does?
Q17. State Ohm’s Law. Write its mathematical expression?
Q18. How can 3 resistors of resistances 2 ohm, 3 ohm,& 6 ohm be connected to give a total
resistance of: (i) 4 ohm (ii) 1 ohm
Q19. Define electric power and its S.I unit.
Q20. An electric lamp is marked 100 W, 200 V. It is used for 5hrs daily. Calculate
(i)
Its resistance while glowing
(ii)
Energy consumed in kwh per day
Q21. How does binary fission differ from multiple fission?
Q22. How is the process of pollination different from fertilization?
Q23. What are the advantages of sexual reproduction over asexual reproduction?
Q24. Describe Sexually Transmitted Diseases (STD) and mention the way to prevent them.
Q25. List two distinguishing features between acquired traits and inherited traits.
Q26. In the following crosses write the characteristics of the progeny
CROSS
PROGENY
a) RRYY x RRYY (Round Yellow x Round Yellow)
………………………………………..
b) RrYy x RrYy (Round Yellow x Round Yellow)
………………………………………..
c) Rryy x rryy (Wrinkled Green x Wrinkled Green) ………………………………………..
d) RRYY x rryy (Round Yellow x Wrinkled Green)
…………………………………………
Q27. Why did Mendel choose pea plant for his experiments?
Q28. Name the organism Mendel used for his experiments. Explain about F1 and F2 progeny
obtained by Mendel when he bred tall and short varieties of organisms he experimented
with.
Q29. What happens when:
a) Planaria gets cut into pieces.
b) A mature Spirogyra filament attains considerable length.
c) On maturation Sporangia bursts.
Q30. What is pollination? How does it occur in plants? How does pollination lead to
fertilization? Explain.
S.S.T
History-Assignment
1. Which modern countries were part of Indo China?
2.When was Indo China formed?
3.Why was Tonkin Free School established?
4. What was Scholars revolt?
5. What was Hoa Hao movement ?
6. Who were called the electrical fuses of Vietnam?
7. Why was the Vietnam war called the first television war?
8. Explain the causes of US involvement in the war in Vietnam.
9. Describe the Ho Chi Minh Trail in four points
10.Describe the role of woman in the anti-imperial struggle in Vietnam
Geography
1.Enlist ways to conserve resources and explain them by making diagrams also.
2.make any decorative items from the waste material (eg. Cloth bag , decorated
plastics bottles ,wall
hangings etc)
Political science
1.Power sharing is very important for the proper functioning of any organization
.Explain it by giving day to day examples related to your day to day life / which as
an observer you observe the power sharing your society ,school, home etc .Write
in about 200 words .
Economics
Make a project on your views of what should India do or achieve to become a
developed country .
INFORMATION AND COMPUTER TECNOLOGY
1. Define the following terms:
a. APRANET
b. WWW
c. Server
d. web server
2. What is web page?
3. How is a web portal different from websites?
4. What is meant by ISP? Give examples of some ISPs.
5. Difference between a blog and a normal website.
6. What is the role of web server in the working of internet?
7. What is a web page ?
8. what is Internet ?
9. What is Modem ?
10. What is the role of TCP/IP protocol in the working of the internet ?
11. What is Database Management System? List some advantages and disadvantages of DBMS
12. What is HTML and Write its key element or Attributes.
13. Write down short story on Societal Impacts of IT and also other Impact of IT ?
PROJECT:- Make a chart on the following topics according to your Roll No.
1-6Draw the basic architecture of Computer System .
Make a comparison chart of different types of protocols.
13-18 E- Reservation Steps for getting Railway or Air ticket using any govt. e-reservation
website.
Latest Technologies used to transfer data
25-32 Different types of websites.
HOME SCIENCE
ANSWER THE FOLLOWING QUESTIONS:
1.
2.
3.
4.
5.
6.
7.
State the normal length and weight of a new born baby.
State the age at which an infant’s birth weight doubles and triples.
At which age does a child start imitating elders?
List two social and emotional needs of a two year old child.
3 year old girl wants a doll. How will she express herself?
List the emotions an one year old can express.
2 years girl Sonia got a new toy. In what ways will she express her joy.
Activities
1. Observe and record physical development of a child at any given stage between 0-3 years of
age.
Date
Age of the child
0 – Infancy
1
2
3
Weight of the child
Height of the child
2. Make a suitable play object for a child between birth – 3 years
3. Prepare useful household items from recycling waste materials.
PAINTING
1. Animal Drawing (150)
2. Anatomy study
3. Still life in pencil with shading (5)
4. Poster on social Issues (5)