1IVDLEQ
SUMMATIVE ASSESSMENT – I, 2014
SCIENCE
Class – IX
Time Allowed : 3 hours
Maximum Marks : 90
General Instructions :
1. The question paper comprises of two Sections, A and B. You are to attempt both the
sections.
2. All questions are compulsory
3. All questions of Section-A and all questions of Section-B are to be attempted separately.
4. Question numbers 1 to 3 in Section-A are one mark questions. These are to be answered in
one word or in one sentence
5. Question numbers 4 to 6 in Sections-A are two marks questions. These are to be answered
in about 30 words each.
6. Question numbers 7 to 18 in Section-A are three marks questions. These are to be
answered in about 50 words each
7. Question numbers 19 to 24 in Section-A are five marks questions. These are to be
answered in about 70 words each.
8. Question numbers 25 to 33 in Section-B are multiple choice questions based on practical
skills. Each question is a one mark question. You are to select one most appropriate
response out of the four provided to you.
9. Question numbers 34 to 36 in Section-B are questions based on practical skills are two
marks questions.
SECTION-A
1
Name the type of tissue found in respiratory tract.
1
2
Mention the property due to which, when a hanging carpet is beaten with a stick, the dust
particles start coming out of it.
1
3
Write the mathematical representation of the Universal law of gravitation
1
4
Why Ice (solid state) floats over the surface of water (liquid state). Explain.
2
5
Name the tissue present between internal organs. What are its functions ?
2
6
Which physical quantity can measure as zero - Distance or Displacement ? Give any two 2
differences between them.
7
How will you separate a mixture of common salt, camphor and Iron filings. Describe the 3
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process.
8
(a)
What is the boiling point of water in Kelvin and Celcius scale ?
(b)
Convert the following temperatures to celcius scale.
(i)
9
290 K
(ii)
3
480 K
(a)
Sodium chloride contains two elements, but it is still a pure substance. Give reason.
(b)
How would you confirm that a colourless liquid given to you is pure water ?
3
10
Discuss the shape of following cell organelles, lysosomes, mitochondria and golgi apparatus.
3
11
Differentiate between permanent and meristematic tissue.
3
12
Give one example each of the type of motion when :
3
13
(a)
acceleration is in the direction of motion.
(b)
acceleration is against the direction of motion.
(c)
acceleration is uniform.
Write answer of the following with appropriate reason :
(i)
3
How does value of ‘g’ vary at equator and at poles
(ii)
Weight of an object is 98 N at the surface of the earth. What will be its weight at the centre of
the earth ?
(iii)
The earth’s gravitational force causes an acceleration of 5 m/s2 on a 1 kg mass somewhere in
space. How much will the acceleration of a 3 kg mass be at the same place ?
14
Which accident will be more damaging, collision between two trucks moving with a 3
sped of 50km/hr. or collision between two cars moving with a speed of 50 km/hr.?
Explain.
15
Explain giving reason :
(i)
3
If a stone held in our hands is released , it falls towards the earth.
(ii)
Two objects kept in a room does not move towards each other as per the universal law of
gravitation .
16
Write answers of the following “
(i)
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Mention the direction in which the force of friction acts on a moving body, state its units.
3
(ii)
Name the property of bodies (or objects) to resist a change in their state of rest or of motion.
Name the quantity that is a measure of this property.
(iii)
17
Name the physical quantity whose unit is kgms1. Define this quantity.
When Rachit went with his sister to a green grocer who immediately started telling the rates 3
of “desi-kheera”, “desi-gobhi”, “desi-tamatar etc. Rachit’s sister was surprised to find these
vegetables available in summer. Rachit Explain how it is possible to get cauliflower, peas and
carrot in summer.
(i)
What do we call the vegetables available with the green grocer which are not “desi” ?
(ii)
Give two reasons which are responsible for availability of non-seasonal fruits and
vegetables in the market.
(iii)
Mention any two values of Rachit that lead him to satisfy queries of his sister.
18
What is the importance of sustainable practices in agriculture and animal husbandry ?
3
19
Answer the following questions :
5
(a)
Out of boiling and evaporation which is a surface phenomenon ? Explain.
(b)
In the absence of a refrigerator butter is kept wrapped in a wet cloth
summer. Why ?
(c)
20
Why do ice–cream appear colder than water at the same
during
temperature ?
Which separation techniques you will apply for the separation of the following mixtures –
(a)
Oil from water
(b)
Camphor from sand
(c)
Sodium chloride from its solution in water
(d)
Metal pieces from engine oil of a car
(e)
Cream from milk
5
21
Write four characteristic feartures of Parenchyma a tissues. How would you classify this 5
tissue based upon its specialised functions ? What are these functions ?
22
(a)
Derive the equation of motion, v = u + at by graphical method.
(b)
Which of the two bodies A and B in the following graph is moving with higher
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5
acceleration and why ?
23
(a)
How is the force of attraction dependent on the masses of objects and distance 5
between them.
(b)
The mass of earth is 61024 kg and that of a natural satellite is
6.51020 kg. If the distance between them is 3.35106 km. Calculate the force exerted by
earth on it. (G = 6.71011 Nm2kg2)
24
“The cross breeding programmes between Indian and exotic breeds for variety improvement 5
are focussed on to develop varieties for desirable traits”. Mention the desirable traits needed
for poultry farming.
SECTION - B
25
26
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While
is :
testing
the
presence
of
starch
in
a
food
sample
(a)
methylene blue
(b)
dil sodium hydroxide
(c)
iodine solution
(d)
glycerol
the
required
reagent 1
Manu put a few drops of a solution from a bottle without label on potato slices. It showed 1
colour change. What he might have observed ? What was the solution ?
(a)
Potato slices turned pink , solution was H2SO4.
(b)
Potato slices might have turned red, solution was HCl.
(c)
Potato slices turned blue black. Solution was Iodine solution.
(d)
Potato slice turned blue, solution was sodium hydroxide.
27
Which one is not observed when a magnet is moved repeatedly through a mixture of iron
filings and sulphur powder kept in watch glass ?
(a)
(b)
(c)
(d)
1
Iron filings cling to the magnet
A black mass of FeS is produced
Sulphur powder is left in the watch glass
Any one of these attracted by magnet
28
Which one of the following mixtures can be separated by using magnetic separation method ?
(a)
Salt and Naphthalene
(b)
Petrol and diesel
(c)
Copper sulphate and water
(d)
Sulphur powder and iron filings
1
29
On burning magnesium ribbon in air :
1
30
31
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(a)
pungent smelling gas evolves
(b)
an ash to formed which turns blue litmus red
(c)
black ash is obtained
(d)
dazzling white light is obtained
The slide is first focused in compound microscope at :
(a)
Low power 10x
(b)
High power 40x
(c)
Should be focused at 100x to observe large cells
(d)
Should be focused at 40x to observe large cells
A permanent slide was shown to Rajini, Alternate dark and light bands with many nuclei
were observed. The slide would be of :
(a)
Striated muscles
(b)
Smooth muscles
(c)
Nerve cell
(d)
Unstriated muscles
1
1
32
The type of a mixture of a solid and a liquid which can be separated by the process of
filtration is :
(a)
homogeneous
(b)
suspension
(c)
saturated
(d)
colloidal solution
33
A student performed the experiment, “To establish relationship between weight of a 1
rectangular wooden block lying on a horizontal surface and minimum force required to just
move it using a spring balance”. It the weight of the given wooden block is nearly 200g wt
and
three
known
weights
of
100g wt, each are to be successively placed on the wooden block to take three more readings,
then which one of the following balances available in the laboratory would you select for the
best results in the experiment ? It is known that a force of 90g wt. is required to just move the
block on the surface.
(a)
Range 0-100g wt. ; Least count 1.0g wt.
(b)
Range 0-200g wt. ; Least count 2.0g wt.
(c)
Range 0-250g wt. ; Least count 2.0g wt.
(d)
Range 0-500g wt. ; Least count 5.0g wt.
34
State the method by which we can prepare colloid of starch.
35
While doing an experiment to determine the melting point of ice, state the role of glass stirrer 2
and mention the position of bulb of the thermometer.
36
A student was doing an experiment of determining the mass percentage of water imbibed by 2
raisins. He took ten raisins and carried out the experiment. Which formula will he use for
determining the mass percentage? Explain the various steps in determining the formula.
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