Instructions:
a) Revise all questions and examples of chapter 1,2 ,3,4 and 5 then
solve the following questions.
notebook.
QUESTIONS:
a) Always terminating
c) Either terminating or non repeating
d) Neither terminating nor repeating
2) Factorise : 2y3+y2-2y-1 .
3) Show that 0.2353535…….= 0.235 can be expressed in the form
,
4) See fig. ,and write the following :
a) The coordinates of B.
b) The coordinates of C.
c) The points identified by the coordinates (-3,-5).
d) The coordinates of the point M.
e) The abscissa of the point D.
f) The ordinates of the point H.
5) Verify that :
2 (x+y+z)[ (x-y)2 + (y-z)2 +(z-x)2 ]
6) The taxi fare in a city is as follows: For the first kilometer, the fare is
8 and for the subsequent distance it is 5 per km. Taking the distance
covered as X km and total fare as y , write linear equation for this
imformation and draw its graph.
7) Represent √9.3 on the number line.
b) Simplify :
(7+3√2) .
9) Find the value of K, if x=2, y=1 is a solution of the equation 2x+3y=K.
10) Write the four solution for x + y = 9.
11) Zero of the zero polynomial is
a) 1
b) 0
a) (x,y)
b) (0,y)
c) (x,0)
d) (y,x)
13) Euclid stated that ‘all right angle are equal to each other ’ in the form
of
14) The ordinate of every point on the x-axis is
a) 1
b) 0
c) -1
16) Write the coefficient of x2 in 2-x2 +x3.
17) Write the names of the points where the two axis intersect.
18) Write y=2 in two variable.
19) Find a zero of the polynomial p(x)=2x+1.
20) Prove that an equilateral triangle can be constructed on any given
line segment
Q1. Find out and write history of Pie (π).
Q2. Find out and write about any Indian Mathematician.
Q3. Make and Solve any ten Mathematical Puzzle from any Newspaper, Magazine.
Q4. Construct Square Root Spiral on a A4 Size Paper.
Q5. Make a Chart Containing Graphs of any four Linear Equation in two variables.
Q6. Find one rational and one irrational number between 1.501 and 1.502.
Q7. Find two irrational numbers between 0.2301 and 0.2424….
Q8. Rationalise the denominator 16 / (√41-5)
Q9. Represent √5.5 on the real line.
Q10.If x = 3 + √8, show that (x2 + 1) / x2 = 34.
Q11.Find the value of a and b if (3 + √7) / (3 -√7) = a +b√7
Q12.Simplify: (i) 6 x 6 (ii) 3√4 x 3√16 (iii) 813/4 (iv) 4√1250 / 4√2
Q13.For what value of a , ( x-3 ) is a factor of x3 + x2 -17x + a ?
Q14.Find the zero of the polynomial p(x) = 2x + 5.
Q15.Find the remainder when P(x)= x3 + 3x2 + x+1 is divided by g(x) = 5 + 2x.
Q16.Find the value of x6 + 1/x6, if x + 1/x = 3.
Q18.Find the value of a3 + b3 - 3 ab if a + b = -1.
Q19.Factorise: x2 - y2/100 .
Q20.Factorise: ( 3 m2 - 2m ) ( 6 - 3 m2 + 2m ) - 5.
Q21.Plot the points P ( 3, 0) , Q ( 7 , 9 ) R ( -6 , 9 ) and S ( -2 , 0 )
(i)Name the figure PQRS (ii) Find the area of PQRS
Q22.Do Exercise 2.5 in your classwork copy.
SUBJECT: ENGLISH
CLASS: IX C
1. This year, 2020, the whole world is going through a very critical
situation due to the sudden and devastating spread of Pandemic Corona
Virus (COVID 19).
Write your feelings, views and experiences in this critical situation in the
form of a diary.
3. Paragraph Writing 4 on different topics
4. Reading Texts books
Holiday homework SST(class 9 A,B,C)
1 exercise question answer from the chapter French Revolution. What is democracy? Why democracy? The story of village Palampur. Map activity: Locate the following on the outline map of India: 1. Tropic of Cancer 2 .A place where Indian standard Time is taken 3. Lakshadweep island 4. Karakoram range 5. Zaskar range 6. Chhota nagpur plateau 7. Malwa plateau 8. Aravali range 9. Eastern ghat 10. Annai mudi hill 3. 1 marks 25 inside question answer , 3 marks 20 inside question answer and 5 marks 10 inside question answer. ( From History, Economics and political science 1st chapter & Geography first 2 chapters)
HOLIDAY HOME WORK CLASS-IX
SUBJECT- SCIENCE PROJECT A,Make a newsletter having 20 science related news. B. Prepare a chart and presentation on: E.R. (roll no. 1-10 ), MITOCHONDRIA (roll no 11-20), PLASTIDS (roll no 21-30), GOLGI APPARATUS (roll no 31 - 40), PROKARYOTIC & EUKARYOTIC CELL (roll no 41 -50), ASSIGNMENT
1. Fill in the blanks: (a) Evaporation of a liquid at room temperature leads to a———effect. (b)
At room temperature the forces of attraction between the particles of solidsubstances are———
than those which exist in the gaseous state. (c) The arrangement ofparticles is less ordered in the
——— state. However, there is no order in the ———state. (d) ——— is the change of solid
state directly to vapour state without goingthrough the ———state. (e) The phenomenon of
—.
2. Osmosis is a special kind of diffusion‘. Comment.
3. Classify the following into osmosis/diffusion (a) Swelling up of a raisin on keeping in
water. (b) Spreading of virus on sneezing. (c) Earthworm dying on coming in contact
with common salt. (d) Shrinking of grapes kept in thick sugar syrup. (e) Preserving
pickles in salt. (f) Spreading of smell of cake being baked through out the house. (g)
Aquatic animals using oxygen dissolved in water during respiration.
4. Water as ice has a cooling effect, whereas water as steam may cause severe burns.
Explain these observations.
5. Alka was making tea in a kettle. Suddenly she felt intense heat from the puff of steam
gushing out of the spout of the kettle. She wondered whether the temperature of the steam
was higher than that of the water boiling in the kettle. Comment.
6. You are provided with a mixture of naphthalene and ammonium chloride by your teacher.
Suggest an activity to separate them with well labelled diagram.
7. It is a hot summer day, Priyanshi and Ali are wearing cotton and nylon clothes
respectively. Who do you think would be more comfortable and why?
8. You want to wear your favourite shirt to a party, but the problem is that it is still wet after
a wash. What steps would you take to dry it faster?
9. Comment on the following statements: (a) Evaporation produces cooling. (b) Rate of
evaporation of an aqueous solution decreases with increase in humidity. (c) Sponge
though compressible is a solid.
10. Why does the temperature of a substance remain constant during its melting point or
boiling point?
11. Why are lysosomes known as suicide-bags‘ of a cell?
12. Do you agree that A cell is a building unit of an organism. If yes, explain why?
13. Why does the skin of your finger shrink when you wash clothes for a long time?
14. Why is endocytosis found in animals only?
15. A person takes concentrated solution of salt, after sometime, he starts vomiting. What is
the phenomenon responsible for such situation? Explain.
16. Name any cell organelle which is non membranous.
17. How does amoeba obtain its food?
18. Name the two organelles in a plant cell that contain their own genetic material and
ribosomes.
19. Why are lysosomes also known as scavengers of the cells?
20. Which cell organelle controls most of the activities of the cell?

– , ,
1. ‘ ’
----- |
2. :-
( )- ,, ,
( )- , ,, ,
3. – , ,
,
4. ? 5-
5
5. :-
()

( )

( )

( )


6. :- ( )
/
( )
( ) ( )