English holiday homework
class11th
1 character sketch of any four characters from the novel "The canterville ghost".
2 write two letters to the Editor on these current issues.
1 Slow judicial system 2 swatch bharat
3 you are Geet of class xi a .You feel very disturbed when you read about the innumerable cases
of crime against women. Write an article in about 150 words on the "'crime against women" for
national daily.
4Why did Aram and Mourad finally return the horse to John Byro's vineyard.
5 Retract given below and answer the questions.
now she has been dead nearly as many years.
as that girl lived. And of this circumstance
there is nothing to say at all.
its silence silences.
A who is referred to as being dead?
B she died......ago.
C This circumstance refers to........
D"its silence silences " means.......
6 On seeing Murad on beautiful white horse what was Aram,s reaction?
7 What message does the story "we are not afraid to die ....."give?
Physics Class Xl holiday homework
1. Define measurements and its application.
2. Deduce the expression by dimensional analysis for the rate of flow of liquid depends upon
pressure gradient, coefficient of viscosity and radius of drop.
3. Write any four dimensionless quantity.
4. Derive an expression for viscous force which depends upon coefficient of viscosity, radius of
drop and velocity by dimensional analysis.
5. Write the dimensional formula of
Pressure gradient, gravitational constant, Reynolds number, Planck's constant and power.
6. Convert one joule into erg
Convert one Newton into dyne
7. Explain the nature of Physical laws present in nature.
8. Explain the fundamental forces present in nature.
9. What is the basic difference between classical Physics and quantum mechanics?
10. Write the fundamental unit and supplementary units.
11. How Physics is related to our society?
12. Explain parallax method, sonar method and laser method for measuring the large distance.
13. The frequency of an oscillating drop may depend upon radius of the drop, density of liquid,
and surface tension of the liquid. Deduce the formula dimensionally.
14. Check the formula is dimensionally true or not
V= u+at.
and.
s= ut +1/2 at2
15. What are the limitations of dimensional analysis.
16. Express the relationship between one parsec, light year and astronomical unit.
17. A rock under water is 1595m deep. Find the time in which an ultrasonic signal returns after
reflection from the rock. Speed of ultrasonic waves in water is 1450m/s.
18. Find the dimension of a and b in the relation P= b-x2/at, where P is pressure, x is distance and
t is time.
19. Explain the any three examples where Physics has been used Technology.
20. Define SI unit and Explain the advantages of SI unit.
SUMMER HOLIDAY HOMEWORK – 2017-18
CLASS -XI
CHEMISTRY
1. Revise the class notes for PT-1
2.. Make an investigatory project on any one of the topics given in the lab manual. It
should include
Principle
Explanation
Graphical data
Mathematical formulations
Real life applications
3. Solve the worksheet given :
1 .Calculate the wavelength of an electron moving with velocity of 2.05*107ms-1?
2.Calculate number of each type in 5.3g of Na2Co3?
3. An oxide of manganese was found to cantain 69.64%Mn.what is the simplest
formula of an oxide?
4. If atomic mass of Mg atom is 24 g, find mass of 1 Mg atom.
5. Find mass of Fe in the compound including 4,8x1023 O atoms ;Fe3O4 .
6. Which one of the following statements is false for 0,5mol C2H6? (C=12, H=1 and take Avogadro
Number=6x1023)
7. If, 8,4 g X element includes 9,03x1022 atoms and 0,1mol X2Y3 compound is 16g find atomic mass of Y
element. (Avogadro number is 6,02x1023)
8. Find mass of 1 molecule C2H6. (C=12, H=1)
9. Is there spherical symmetry in 6C atom?
10. . Which of the following statements are true for 17X, 20Y and 18Z elements?
I. Y and X elements form YX2 compound
II. Y and Z+1 ion are isoelectronic
III. Electron configuration of Z+1 last with 4s2 orbital.
Biology, ClassXI Assignment
(Holidays homework)
Part 1 (Do this in homework copy)
VeryShortAnswerQuestions
1. Definespecies.
2.
Define the following terms: - systematics, taxonomy, classification, nomenclature phylogeny? and
3.
Givethe namesoftwofamous botanical gardens.
4.
Give scientific name ofman and mango.
ShortAnswerQuestions-II
4.
What isthe basisofmoderntaxonomical studies?
5.
Whygrowthandreproductioncannotbetaken as definingpropertyofall livingorganisms?
6.
Howisataxon(pl. taxa)defined?
ShortAnswerQuestions-I
7.
What isthe differencebetween Botanical GardenandHerbarium?
8.
9.
Keysareanalytical innatureandarehelpful inidentificationandclassificationoforganisms. How?
Define:(a) Genus (b)Family (c)Order
Long AnswerQuestions
10.
What arethe universalrules of nomenclature?What does‘Linn.’ refertoinMangiferaindica
Linn?
11.
Illustratetaxonomicalhierarchy with suitableexamples fromplantandanimalspecies.
12.
Listany2 taxonomic aidsand explain them.
VeryShortAnswerQuestions
1.
NostocandAnabaenahavespecialisedcellscalledhetercysts.Whatisthefunctionofthese cells?
2.
Which groupcomprisesofsingle celledeukaryotesonly?
3.
Which organisms arethechief producersin oceans?
4.
Namethe fungus whichcausesdiseaseinwheat(i)rust(ii) Smut.
5.
Which Ascomyceteshas been used extensivelyin biochemicalandgeneticwork?
ShortAnswerQuestions-II
6.
Howarebacteriaclassifiedonbasisof their shapes?
7.
What isthemodeof reproductionin bacteria?
8.
Whyareredtidescaused andwhyaretheyharmful?
9.
Virusesandviroids differinstructureandthediseasestheycause. How?
10.
Whichclassofkingdomfungihasbothunicellularaswellasmulticellularmembers?Whenisa fungus
called coprophilous?
11.
Whoproposed 2kingdomclassifications?Givetwo shortcomings oftheclassification.
12.
Which classofKingdomFungi is commonly known as“Imperfectfungi’ &why?
ShortAnswerQuestions-I
13.
Whogavefivekingdomclassifications?Whatwasthecriteriausedbyhim?
14.
What arethestepsin thesexual cycleinkingdomfungi?
15.
Somesymbioticorganismsare verygoodpollutionindicatorsandcomposedofachlorophyllous
andanon-chlorophyllousmember.Describethem.
Long AnswerQuestions
16.
Someprimitiverelativesofanimalsliveaspredatorsorparasitesandaredividedintofour major
groups.Elaborate.
17.
DifferentiatebetweenvariousclassesofkingdomFungionthebasisoftheir(i)Mycelium, (ii) Typesof
sporesand(iii)Typeof fruitingbody. Also give two examples for each class.
Part 2
Make a herbarium file of different types of plants. Collect at least 20 plants. Write their scientific name
and their economic use.
Learn chapters 1 to 4 for test.
Prepare a PowerPoint presentation on any of the topic from your syllabus covered.
Holiday homework
11th class Physical Education
Learn all the question answer of chapter CHANGING TRENDS AND CAREER IN
PHYSICAL EDUCATION and PHYSICAL FITNESS, WELLNESS & LIFESTYLE and read
the OLYMPICMOVEMENT
Holiday Homework
Class-XI
Sub-Information Technology
Q1. What is the difference between MSB and LSB?
Q2. Convert(10111)2--------- (?)10
Q3. Convert (512)10---------(?)2
Q4.Convert (110010011101)2--------(?)16
Q5. Find the Two’s complement for the following numberi)
-123
ii) 101
Q6. Calculate(36.54)10------ ()8
Q7. List the various representation of data in the memory.
Q8. Convert the following number(25)10-----(?)2
i)
ii)
(3010)10-----(?)2
iii)
(3728)8----(?)16
iv)
(20D3)16-----(?)10
v)
(47)16-----(?)10
vi)
(ABC)16-----(?)10
vii) (A3FF)16------(?)10
viii) (F339)16-------(?)2
ix)
(1101001100011100)2-------(?)16
x)
(111010101111111110)2-----(?)16
Q9 Explain Kernel and shell in Operating System.
Q10.What is the difference between volatile and non volatile memory?
Q11.What does booting of the system mean?
Q12. Define hard ware, soft ware, firm ware and live ware.
Q13.Define degradation and robustness.
Q14. Define source code and object code.
Q15. What is the difference between CD and DVD.
HOLIDAY HOME WORK OF
CLASS – XI MATHEMATICS
1. Make chart base on sets .relations and functions and trigonometric functions .
2. Prepare project of properties , formulas , definitions and important results of Ch 1,2,3 and 6
and revised Ch - 1,2,3 and 6 .
3. Solve questions of following assignments Chapter wise