Question

THE INDIAN COMMUNITY SCHOOL, KUWAIT
FIRST MID TERM EXAMINATION (2018-2019)
CLASS IX SCIENCE


Max Marks : 50​​​​​​ Duration : 2 Hours
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1.
What is the acceleration of a body moving with uniform velocity of 60 m/s for 5 seconds?

1 mark
2.
A body can have zero average velocity but not zero average speed. Why?

1 mark
3.
Classify the following as homogeneous or heterogeneous.
Vinegar, air, brass, petrol and water mixture.

1 mark
4.
Write any one difference between a colloid and a suspension

1 mark
5.

What do you mean by membrane biogenesis?
1 mark

6.
The motion of 3 cars A,B,C is represented below. Which of the cars is travelling; a) The fastest, b) slowest. Justify your answer.

Dist
(m)
C
Y

Time (s)





B


A


X



2 marks
7.
A car travels with a velocity of 10 m/s and accelerates at 5 m/s². Calculate the final velocity when it has travelled 30 m.

2 marks
8.
Define latent heat of vaporization. Why do doctor’s advice to put strips of wet clothes on the forehead of a person having high fever?

2 marks
9.
A solution contains 110 ml of glucose in 550 ml of its aqueous solution. Calculate the concentration of the solution.

2 marks
10.
Name the cell organelle which perform the following function :
i. Detoxifying many poisons and drugs.
ii. Makes simple sugar from complex.
iii. Helps to keep cell clean.
iiii. Stores starch, oil and protein granules.

2 marks
11.
What is the role of nucleus?

2 marks

12.
1)​What does the odometer of an automobile measure?
2)​Which of the following is moving faster? Justify.
​a)​A scooter moving with a speed of 400 m per minute.
​b)​A car moving with a speed of 36 km per hour.
3 marks
13.
If the minute hand of a clock moves from 9 to 9.15 am and if its length is 7 cm. Calculate the following;
a)​Distance travelled.
b)​Displacement
c)​Speed of the minute hand

3 marks
14.
Write the full form of LPG and CNG. Give any two uses for each of the following. Which property of gases is used in each of these?

3 marks
15.
a) How do you separate a mixture of two immiscible liquids and write the principle behind it. Draw a labeled diagram of the apparatus used for it.
b) Name appropriate methods used to separate the following.
i)) dye from blue ink ii) Ammonium chloride and potassium chloride.

3 marks
16.
Draw a neat labelled diagram of a plant cell and label the following parts:
i. Endoplasmic reticulum ii. Mitochondria iii. Chloroplast iv. Golgi apparatus.

3 marks
17.
What are the elements of complex permanent tissue and give its function.

3 marks
18.
1)​Derive the equation S=ut+½at² graphically.
2)​The speedometer readings of a car are shown below. Find the acceleration of the car.
​Time
Speed
9.25 am
36 km/h
9.45 am
72 km/h

5 marks
19.
a) Compare solids, liquids and gases as regards to each of the following properties.
i) Rigidity ii) Diffusion iii) Compressibility.
b) Which characteristics of matter is illustrated by each of the following observations?
i) When sugar is dissolved in water, there is no increase in the volume.
ii) Even two or three crystals of potassium permanganate can impart colour to a very large volume of water.

5 marks
20.
(i) Which type of tissue is found in the following parts of our body:
a) Lung alveoli b) Lining of kidney tubule c) Fills space inside organ
d) Between internal organs.
(ii) Differentiate between bone and cartilage?
(iii) What is the structure of meristematic tissue?

(2+2+1=5)

Answer 1

Answer:

HAY MATE HERE IS YOUR ANSWER

Answer 2

Answer:

0V=0

U=60m

T=5sec

v=u+at

0=60+5a

-60=5a

-60/5=a

-12=a