ZC8LN6E
I, 2015-16
SUMMATIVE ASSESSMENT – I, 2015-16
/ SCIENCE
IX / Class – IX
3
90
Time Allowed : 3 hours
Maximum Marks : 90
1.
2.
3.
4.
1
3
5.
4
6
6.
7
18
7.
19
8.
25
9.
34
30-30
24
50-50
70-70
33
36
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. Each
question is of two marks.
Page 1 of 14
SECTION-A
1
1
Name two unicellular organisms.
2
1
While playing football the goalkeeper didn‟t get sufficient time to stop a fast ball shot towards
him. Why did he hurt his hand while doing so ?
3
1
Mention the physical quantity shown by the slope of a speed  time graph.
4
2
How is heating of sugar and heating of ammonium chloride different from each other ?
Explain your answer.
5
2
How is striated squamous epithelial tissue different from squamous epithelial tissue ?
6
(a)
2
(b)
„G‟
(a)
State Universal law of Gravitation.
(b)
Using the formula for „G‟, find its SI unit.
Page 2 of 14
SI
7
(a)
3
(b)
(i)
(iii)
(iv)
(a)
How can we say that sugar is a pure substance whereas milk is not ?
(b)
Which of the following materials fall in the category of a pure substance ?
(i)
8
(ii)
Ice
(ii)
Iron
(iii)
Wood (iv)
Brick
(a)
3
(b)
(a)
Define matter and write its three states.
(b)
Explain how these states of matter arise due to variation in the characteristics of the
particles.
9
(a)
3
(b)
(a)
Write any two differences between a chemical change and a physical change.
(b)
State one instance in which water undergoes a physical change and one in which it
undergoes a chemical change.
10
3
What is meant by osmosis? What will happen to the living cell if it is kept in a hypertonic
solution? Give an example of endo osmosis.
11
(a)
(b)
Page 3 of 14
3
12
(a)
Draw a neat and labelled diagram of collenchyma tissue.
(b)
Do the cells of this tissue have intercellular spaces ? Why or why not ?
3 kg
30 g
0.003 s
3
100 m/s
(i)
(ii)
A gun of mass 3 kg fires a bullet of mass 30 g. The bullet takes 0.003 s to move through the barrel of
the gun and acquires a velocity of 100 m/s. Calculate :
(i)
The velocity with which the gun recoils
(ii)
The force exerted on gunman due to recoil of the gun.
13
3
Write three points of difference in mass and weight of an object.
14
3
Differentiate between average speed and average velocity. Write the
mathematical formula for each. Illustrate the difference between these
two quantities with the help of an example
15
3
(i)
(ii)
Page 4 of 14
(iii)
‘g’
‘G’
Give reasons :
(i)
A piece of paper takes much longer to fall than a stone through the same distance, when both
are dropped simultaneously from roof.
(ii)
The mass is constant everywhere whereas the weight keeps changing.
(iii)
The value of ‘g’ keeps changing as we move away from the earth whereas value of ‘G’
remains constant all over the universe.
“A”
16
“B”
(a)
(b)
(c)
A cow and a bird both travelled from point “A” to point “B”. The cow travelled in a straight
line but the bird travelled along the curved path as shown below :
(a)
What is the distance travelled by the cow ?
(b)
What is the distance travelled by the bird ?
Page 5 of 14
3
(c)
Which one of them has more displacement ?
17
3
(i)
(ii)
(iii)
Rameshwar took the responsibility of his fields when his father got old. His father advised
him to use farmyard manure over fertilizers but he wanted to use chemical fertilizers. His
father told him about the adverse effects of chemical fertilizers to the nearby water bodies.
Rameshwar‟s father encouraged him and his friends also to use organic manure and careful
and judicious use of chemical fertilizers.
(i)
Why
judiciously ?
the
chemical
fertilizers
must
be
used
carefully
(ii)
Manures are natural fertilizers. How can they be prepared in the field ?
(iii)
Why did Rameshwar's father advise him ?
and
18
3
„Green revolution‟ indicates that our natural resources are getting used more intensively.
What can be the harmful effects of this ? List any three.
19
5
List six physical properties of metals. Name two metals. Name a metal which is liquid at
room temperature?
Page 6 of 14
20
(a)
5
(b)
21
(a)
Define evaporation and explain the role of speed of wind at the rate of evaporation.
(b)
Why do we feel cool when we sit under fan during summer ?
(a)
5
(b)
(a)
Define tissue. What is the importance of tissues in multicelluler organisims ?
(b)
Are plants and animals made of same types of tissues ? If no, then. Write three points
of difference.
22
न्यूटन के गति के तनयमों के आधार पर तनम्न पररघटनाओं की व्याख्या कीतिए –
(i)
भूकम्प के दौरान इमारिों का तगरना।
(ii)
ककसी बम के फटने से कार की तिड़ककयों का चकनाचूर हो िाना।
(iii)
मेि से तगरने पर सेल फोन का टुकड़ों में टूट िाना।
Explain the following phenomena on the basis of Newton‟s Laws of Motion :
(i)
Falling of buildings during an earthquake.
(ii)
Shattering of car windows due to a bomb blast.
(iii)
Cell phone breaks into pieces on falling from a table.
Page 7 of 14
5
23
(a)
V,
u,
a
t
5
(b)
(i)
(ii)
(iii)
(a)
For a moving object, derive graphically relation between final velocity v, initial
velocity u, acceleration a and time t.
(b)
Draw the distance-time graph for the following situations :
(i)
When a body is stationary
(ii)
When a body is moving with a uniform speed.
(iii)
When a body is moving with non-uniform speed.
24
5
State the purpose for which cattle husbandry is done. Name the method which is commonly
used for improving cattle breeds and why ? Name one exotic and one indigenous breed of
cow with long lactation period.
/ SECTION - B
25
1
(a)
(b)
(c)
(d)
Metanil yellow is adulterant of food material :
(a)
Page 8 of 14
Turmeric powder
(b)
Pulses
(c)
Spices
(d)
Seeds
26
1
(a)
(b)
(c)
(d)
Starch is a complex form of :
(a)
proteins
(b)
carbohydrates
(c)
fats
(d)
vitamin
27
1
(a)
I
(b)
II
(c)
III
(d)
IV
In an experiment, carbon disulphide was added to a test tube containing a mixture of iron
filings and sulphur powder as shown in the given diagrams.
Page 9 of 14
The correct observation is represented in diagram :
(a)
I
(b)
II
(c)
III
(d)
IV
28
1
(a)
(b)
(c)
(d)
From a mixture of iron filings and sulphur powder we can separate iron filings by :
(a)
heating it strongly
(b)
dissolving in water
(c)
rolling a magnet over the mixture
(d)
Any of these methods can be used
29
1
(a)
(b)
(c)
Page 10 of 14
(d)
Komal heated some crystals of copper sulphate in a boiling tube and noted the water droplets
along the walls of the tube and the colour of crystals changed from blue to white. This is
because :
(a)
Hydrated copper sulphate is white
(b)
Anhydrous copper sulphate is white
(c)
Copper sulphate displaced Cu2+ ions
(d)
Copper sulphate displaces SO 24
ions
30
1
(a)
(b)
(c)
(d)
While preparing temporary slide, the correct method of placing the coverslip on the specimen
is :
(a)
dropping the cover slip gently with hand
(b)
sliding the coverslip gently from the side
(c)
placing the coverslip gently using forceps
(d)
placing the coverslip gently using a needle
31
1
(i)
(ii)
(iii)
(iv)
On viewing under a microscope, the material in the permanent slide shows alternating light
and dark bands with multinucleate and unbranched cells. It is :(i)
nerve cell
(ii)
parenchyma
(iii)
striated muscle
(iv)
sclerenchyma
32
Page 11 of 14
1
(a)
(b)
(c)
(d)
A mixture contains iodine, ammonium chloride and sand. Only iodine and ammonium
chloride sublimate. Only iodine dissolves in carbon tetra chloride. How will you separate
the three components ? Sequence of steps will be :
(a)
Sublimation, addition of CCl4.
(b)
Addition of CCl4 , filtration, sublimation.
(c)
Sublimation, addition of H2O, filtration.
(d)
evaporation, distillation, crystallization.
33
1
200 gwt
100g wt
90g wt.
(a)
0-100gwt ;
1.0gwt
(b)
0-200gwt ;
2.0gwt
(c)
0-250gwt ;
2.0gwt
(d)
0-500gwt ;
5.0gwt
, A student performed the experiment “To establish relationship between weight of a
rectangular wooden block lying on a horizontal surface and minimum force required to just
move it using a spring balance”. If the weight of the given wooden block is nearly 200g wt
Page 12 of 14
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 spring 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
2
How do we test the stability of a solution ? List two solutions which exhibit this property.
35
2
Nisha determined the boiling point of water and thought of doing another experiment. She took
aqueous solution of salt and repeated the experiment. Would there be any change in boiling point?
Why?
36
2
50 g
80 g
Raman while doing an experiment to find out the percentage of water absorbed by raisins
measured the mass of dry raisins as 50 g. He soaked the raisins in water for four hours and
again measured the mass as 80 g. Calculate the percentage of water absorbed by the raisins.
He then placed swollen raisins in concentrated salt solution for four hours. What will he
observe ?
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