Mamta Niketan New Generation School
Holidays Homework Assignment
Class- 9th
Sub : English
1. Chapter 1 :- How I taught my grandfather to read. (full chapter)
2. Poetry :- a. The Brook
b. The solitary reaper c. The road not taken
3. Articles:- 1. Write an article in about 120 words on the topic “How to promote sports & games in
the country.
2. Write an article on “Self Awareness” in between 120 words.
4. Debate: - English should compulsory in the class room or should not be compulsory subject.
5. Notice:- Contribution for the school magazine.
6. Write a story in 80-100 words
We all thanked god for his benevolence and were happy to be home.
1. 7. Tenses
2. Change simple present into simple past:
a. I write a letter.
3. Change present continues tense into present perfect continues tense:
a. She is suffering from fever.
4. Change past continues tense into past perfect continues tense:
a. They were dancing in the hall.
5. Change past perfect into past perfect continues tense:
a. They had done their work.
6. Change simple future into future continues tense:
a. They will go to Delhi
7. Prepositions: - in, at, on, with, before,
a.
b.
c.
d.
She was singing song _________ the hall.
He was _______ road.
She was sitting ___________ chair.
He said he is coming __________ two days.
8. Articles:_______________ Ramayana is written by R.K Narayana.
Note: Revision of whole syllabus for SA1.
SUB- Maths
1. Find five rational numbers between 1 and 2
2. Find five rational numbers between and
3. Locate √2 on the number line.
4. Find the decimal expansions of
and
5. Show that 1.272727......... = 1.27 can be expressed in the form of
where p and q are integers and q≠0.
6. Find an irrational number between and
7. Simplify:
a) √3
b) ( 5 + √5 ) ( 5 - √5 )
√7
8. Rationalize the denominator of
5
√3 - √5
9. Find the degree of:
a)
-
+3
b) 2-4
10. Divide the polynomial 3
-
+2
-3x-1
1 by x-1
x
11. Check whether the polynomial q(t)=4 +4 -t-1 is a multiple of 2t+1.
12. Find the value of k if x-1 is a factor of 4
+3
-4x+k
13. Factorize:
a)
-5y+6
b) 12
c)
-2
d) 3
-x+2
14. Expand: a) 3
15. Factorize: a) 8
4
+
-7x+1
-x-4
5
+27 -18xyz
16. Locate the points (5,0), (0,5), (2,5), (5,2), (-3,5),
(
(5,-3),
3), (6,3), (4,6), (6,4) in the Cartesian plane.
17. Lines PQ and RS Intersect each other at point O.
O
If ∠POR : ∠ROQ = 5:7, find all the angles
.
18. Ray OS stands on a line POQ. Ray OR and ray OT are the
angle bisector of POS and SOQ resp. If ∟POS=x,
∟
find ∟ROT.
19. AD and BC are equal perpendiculars to the line segment AB.
Show that CD bisects AB.
20. Show that in a equilateral triangle all angles are 60 degree each.
21. Show that in a right angled triangle the hypotenuse is the largest side.
22. The sides of a rectangular plot are in the ratio 3:5:7 and its perimeter is 300m, find its area .
23. A park is in the shape of a quadrilateral ABCD, has ∟C = 90º, AB=9m,BC=12m, CD=5m and
AD= 8m. How much area does it occupy?
24. An isosceles triangle has perimeter 30cm and each equal side is 12cm. find the area of triangle.
25. The sides of the triangle
ngle are in ratio 12:17:25 and its perimeter is 540cm find its area.
Exercise 1.5, sums 1,2 and 5
Exercise 1.6, sums 1 and 2
Exercise 2.2,sums 1,2 and 3
Exercise 2.5,sums 1,2,4,5 and 6
Exercise 6.1,sums 1,2,3 and 4
Exercise 6.2,sums 1,2,3 and 4
Exercise 6.3,sums 1,2,3 and 4
Exercise 7.1,sums 1,2,3 and 4
Exercise 7.2,sums 1,2,3 and 4
Exercise 12.2,sums 3 to 7
Lab Activity :Proof of ( a+b +c )2
Note: Revision of whole syllabus for SA1.
Sub – SSt
Note: Learn all the question mention below. Revise all the syllabus for exams
History
Chapter 1: French Revolution ( NCERT Q No. 1, 2, 3, 4, 5, 6 )
Chapter 2: Nazism and Hister ( NCERT Q No. 1, 2, 3, 4, 5, 6)
Pol. Science
Chapter : Constitution ( NCERT Qno. 1,2 , 3, 4, 5, 6, 7) Value Based
ECONOMICS
Ch- 1 : The story of Village Palampur ( NCERT Que ALL)
CH-2 : People – as Resource ( Short Answer type Questions All)
GEOGRAPHY
Ch- 1: India Size and Location ( NCERT Questions All)
Sub :Sci ( Chemistry)
Ch- 1: Matter In Our Surroundings
1.
2.
3.
4.
5.
6.
7.
8.
9.
Write difference between compound and mixtures
Why do gases diffuse at a fast rate?
Why do solids not possess the property of liquidity?
What do you mean by saturated and unsaturated solution?
What is sublimation? Give two examples of substances that undergo sublimation?
Why do we feel comfortable sitting under a fan in summers when we are perspiring?
Why does diffusion occur more quickly in case of gases then in liquids? Explain
Why do we see water droplets on the outer surface of a container having Ice cold water in it?
Define latent heat of vaporisation? Why does temperature remain constant during boiling of a
liquid?
10. Differentiate between evaporation and boiling?
11. Give reason that Naphthalene balls disappear when kept in air for few days?
12. Why are you able to sip hot tea or milk faster from a saucer rather than a cup?
13. Value Based Questions :Why does desert cooler cool better on a hot dry day?
14. 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. Write values depicted here.
15. Value Based Questions: On a hot summer day Hyder and Priya decided to go out for shopping
.Hydra and Priya were wearing nylon and cotton shirts respectively. Who do you think would be
more comfortable and why? State values shown by that person.
Learning work for test:
Ch – 1: NCERT Questions (pg 32)
Qno (A) : 2,3,4,7,8,11,14,15,16,17 (B) 7,8
Ch- 2 (A): Q.No.: 1, 2, 4, 8, (HOT) QNo 1,2,3,6,9,10,15 and revision of whole syllabus
(Physics)
NUMERICAL PROBLEMS
of the bus.
1. A bus decreases its speed from 80 km/h to 60km/h in 5s.Find the acceleration of
2. A train starting from a railway station and moving with uniform acceleration attains a speed 40km/h in
10 min. Find its acceleration.
3. A bus starting from rest moves with a uniform acceleration of 0.1 m/s2 for 2 min.
Find 1.)the speed acquired.
quired.
2.)the distance travelled.
4. A motorboat starting from rest on a lake accelerates in a straight line at a constant rate of 3.0 ms-1 for
8.0 s. How far does the boat travel during this time?
5. An artificial satellite is moving in a circular orbit of radius 42250km.calculate its speed if it takes 24
hours to revolve around the earth.
6. The graph given below (6a) is the distane time graph of an object.
1. Find the speed of the object during first four seconds of its journey.
2. How long was itt stationary?
3. Does it represents a real situation ? Justify your answer.
7. (a)Which type of motion is represented by the velocity time graph shown below(7a)
below(7a)?
(b)Name the physical quantity which can be calculated by the area of rectangle OABC.
(c)What does the straight line AB represents?
(6a)
(7a)
8. A motorbike running at 4ms-1,picks
,picks up a velocity of 30 ms
ms-1 in 5s.calculate(a)acceleration (b)distance
covered
9. A cyclist driving at 36km/h his cycle in 2s,by the application of brakes.calculate(a)retardation(b)distance
covered during the application of brakes.
10.
An electric train is moving with a velocity of 120 km/h.How much distance will it cover in 30.?
Questions of ch-1
1 (1 to 39)from page 46 to 49
Questions of ch-2 (1-40) from page 101 to104
( Biology)
1. Why is cell called the structural and functional unit of life?
2. Why is plasma membrane called a selectively permeable membrane?
3. Why are Lysosomes called suicidal bags?
4.
5.
6.
7.
8.
9.
How do substance like CO2 and H2O move in and out of cell? Discuss
Difference between prokaryotic and Eukaryotic cells.
Which organelle is called power house of cell and why?
How does an amoeba obtain its food?
What would happen E the life of cell if there were no Golgi apparatus?
Give function of cell organelles:
i.
Endoplasmic Reticulum ii. Lysosomes iii. Golgi apparatus
iv. Vacuoles v. Ribosome
10. Draw well labelled diagrams of plant cell and animal cells of Norway sheets
11. Why does skin of your finger shrink when you wash clothes for a long time?
12. Whyy plastids are called kitchen house of cell?
13. Why the inner membrane of mitochondria is deeply folded?
14. Value Based Question:: Two Beakers A and B contain plain water and concentrated sugar solution
respectively. Equal number of dried raisins are kept in them for a few hours and then taken out.
i.
Explain the reason for the difference in the physical appearance of raisins which were taken
out of the two beakers.
ii.
On the basis of above observation , categories the two solutions as hypotonic
15. Instructions: Given below
elow is an incomplete flow chart on cell organelles. Some boxes / spaces in the
flow chart have been left blank. Complete the flow chart adding terms/ names/ functions as and
where required.
Learning Work for Test:
Ch- 1 (A) : 1,2,3,4,5,8,9,12 (B) 4, 5, 9
Ch- 2 : (A) : 1, 2, 3, 4, 5, 6, 8, 9 (B) 3, 4, 5, 7, 8
Note: Revision of whole syllabus for SA1.