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Important Instructions for the
School Principal
(Not to be printed with the question paper)
1) This question paper is strictly meant for use in school based
SA-I, September-2012 only.
This question paper is not to be used for any other purpose
except mentioned above under
any circumstances.
2) The intellectual material contained in the question paper is
the exclusive property of
Central Board of Secondary Education and no one including the
user school is allowed to
publish, print or convey (by any means) to any person not
authorised by the board in this
regard.
3)
The School Principal is responsible for the safe custody of the
question paper or any other
material sent by the Central Board of Secondary Education in
connection with school
based SA-I, September-2012, in any form including the
print-outs, compact-disc or any
other electronic form.
4) Any violation of the terms and conditions mentioned above may
result in the action
criminal or civil under the applicable laws/byelaws against the
offenders/defaulters.
Note:Please ensure that these instructions are not printed with
the question
paper being administered to the examinees.
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I, 2012
SUMMATIVE ASSESSMENT I, 2012
/ SCIENCE
IX / Class IX
3 90
Time allowed : 3 hours Maximum Marks : 90
(i)
(ii)
(iii)
(iv)
(v) 1 3
(vi) 4 7 30
(vii) 8 19 50
(viii) 20 24 70
(ix) 25 42
General Instructions :
(i) The question paper comprises of two Sections, A and B. You
are to attempt both the
sections.
(ii) Allquestions are compulsory.
(iii) There is no overall choice. However, internal choice has
been provided in all the five
questions of five marks category. Only one option in such
questions is to be attempted.
(iv) Allquestions of Section-Aand allquestions of Section-Bare
to be attempted separately.
(v) Question numbers 1to 3in Section-Aare one markquestions.
These are to be answered in
one wordor in one sentence.
(vi) Question numbers 4to 7in Sections-Aare two marksquestions.
These are to be answered
in about 30 wordseach.
(vii) Question numbers 8to 19in Section-Aare three
marksquestions. These are to be answered
in about 50 wordseach.
(viii) Question numbers 20to 24in Section-Aare five
marksquestions. These are to be answered
in about 70 wordseach.
(ix) Question numbers 25 to 42 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.
SC1-069
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SECTION-A
1.
A substance has no mass, can we consider it as matter ?
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2.
Name the cell organelle which is associated with protein
synthesis.
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3.
Name the physical quantity which is measured by rate of change
ofmomentum.
1
4.
Gases are more compressible. Write two reasons for this.
2
5. (a)(b)
(a) Name the two components of a colloidal solution.(b) Colloids
are quite stable. Name the process by which you can separate
the components of a colloidal solution.
2
6.
(a)
(b)
(c)
(d)
Name the tissue that :(a) connects muscle to bone in humans(b)
forms inner living of alveoli(c) stores fat in our body(d)
transports water and minerals in plants.
2
7. x 300 N
(g
10 m/s2)1
6
An object of mass xunits weighs 300N on the surface of earth.
What would beits mass and weight on the surface of moon. (g
earth10m/s2) and accelerationdue to gravity on moon is one sixth of
that on the earth.
2
8.
Define mixed cropping. Give two examples of mixed cropping. What
is itsadvantage ?
3
9.
List three reasons for which improved poultry breeds are
produced ?
3
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10. A, B, C, D, E F
Name A, B, C, D, E and F in the following diagram showing change
in its state.
3
11. 250 g 50 g
What is meant by concentration of solution ? A solution contains
50 g ofcommon salt in 250g of water. Calculate the concentration of
the solution.
3
12.
Name three types of plastids found in plant cells and give one
function of each.
3
13.
Draw a diagram of smooth muscle fibre and label any three parts.
Give onefunction of smooth muscles.
3
14.
Write three differences between collenchyma and sclerenchyma
tissues.
3
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15. 63 m
(a)
(b)
(c)
A cyclist moving along a circular path of radius 63 m completes
three rounds in3 minute. Calculate.(a) The total distance covered
by him during this time.(b) Net displacement of the cyclist.(c) The
speed of the cyclist.
3
16. 1 kg 6 N
12 m
A body of mass 1 kg is kept at rest.A constant force of 6 N
starts acting on it.Find the time taken by the body to move through
a distance of 12 m.
3
17. SI
Define momentum and state its SI unit. Write the principle of
conservation ofmomentum ?
3
18.
Suppose a planet exists whose mass and radius both are half
those of earth.Calculate the acceleration due to gravity on the
surface of this planet.
3
19. 30 ms1
(g 10 ms2 )
A stone is thrown vertically upward with an initial velocity of
30 ms1. Findout the maximum height reached by the stone. what will
be the netdisplacement and the total distance covered by the stone
? (g = 10 ms2)
3
20.
What are pests ? How can plant pests be controlled ? In what way
biopesticidesare better than the chemical pesticides ?
OR
Explain the terms composting and vermicompost. In what way are
greenmanures different from compost ?
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21. (a)
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(b)
(a) List three characteristics of particles of matter. When we
add somesugar or salt in a beaker containing water, after sometime
the sugar orsalt becomes invisible. Where does it go ? What
property of particle ofmatter does it show ?
(b) How will you justify that ice water and steam are the three
states of asubstance and not different substances ?
OR
(a)
(b)
(a) Describe an activity to show that the particles of matter
arecontinuously moving using red ink, honey and water in beakers.
What is the
effect of increase of temperature on the movement of particles ?
Give reason.(b) Why is oxygen called a gas ? Give two reasons.
22.
Name and define the process by which acetone and water can be
separatedfrom their mixture. Draw the diagram of the set up of the
apparatus used andlabel any four parts.
OR
(a)
(b)
(c)
(a) On the basis of the size of the particles how is a solution
different from acolloid ?
(b) Identify the following as solutions and colloids,:- milk,
starch solution, soda water, sea water.
(c) Write two similarities between solutions and colloids.
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23. (a)
(i)(ii)
(iii)
(b)
(a) Draw velocity time graph to show following real life
examples.(i) a freely falling body under the action of gravity.(ii)
a car moving with uniform velocity.
(iii) a train starting from rest, picks up velocity moves with
uniformvelocity for sometime and then retards.
(b) From the velocity time graph, how can you find the distance
travelled
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by a body in uniform motion ?
OR
(a)
(i)
(ii)
(iii)
(b)
(a) Draw the distance time graph to show the following kind of
motionsof a body(i) If the body is moving with uniform velocity(ii)
If the body initially moves with uniform velocity and then
stops
suddenly(iii) If the body is stationary.
(b) When can an object in motion be considered a point object
?
24. (a)
(i)
(ii)
(b) 6 : 8
6 ms2
(a) If every force applied on a body is accompanied with equal
andopposite reaction force, then how does a body move ? Find out
theaction and reaction forces in the following cases.(i) Firing a
bullet from a gun(ii) Pushing a wall with palm.
(b) Two bodies have masses in the ratio 6:8. When a force is
applied on a
first body it moves with an acceleration 6 ms2. How much
acceleration will the same force produce in the other body ?
OR
(a)
(b) 1000 kg 10 30 ms1
(a) State Newtons three laws of motion.(b) How much force is
required by a car of mass 1000 kg starting from rest
to gain a velocity of 30 ms1 in 10 seconds ?
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/ SECTION - B
25.
(a) (b) (c) (d)
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A student wanted to confirm if his sample of arhar dal was
adulterated withmetanil yellow or not. For this he added conc.
hydrochloric acid in the solutionof the sample of dal. Appearance
of the colour which will confirm theadulteration is :(a) Blue (b)
Brown (c) Magenta (d) Black
26.
(a) (b)
(c) (d)
A freshly cut surface of potato was pressed on a slide to get
starch granules.Which of the following stains will be used to
confirm whether the starch grainshave come out on the slide ?(a)
Safranine (b) Iodine solution(c) Methylene blue (d) Eosin
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27.
(a) 0C (b)
(c) (d)
In order to find the boiling point of water, which of the
following sample ofwater should be taken ?(a) Water at 0c (b) Water
at room temperature(c) Luke-warm water (d) Any of the above
1
28.
(a) (b)
(c) (d)
On measuring the temperature of ice during the process of its
melting thetemperature :-(a) increases (b) decreases(c) remains
unchanged (d) first increases and then decreases
1
29.
/
(a) (b)
(c) (d)
A mixture contains sand, common salt and camphor. The substances
whichcan be separated by sublimation is/are :-(a) Sand and Camphor
(b) Common salt only(c) Camphor only (d) Common salt and
camphor
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30.
(a) (b)
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(c) (d)
If the mixtures of Sulphur powder, soil and chalk powder and
common salt inwater are separately filtered through filter paper,
no residue will be left on thefilter paper in case of :(a) Soil (b)
Sulphur powder(c) Common salt (d) Chalk powder
31.
(a) (b) (c) (d)
On heating a mixture of iron filings and sulphur powder strongly
the colour ofthe product becomes :(a) grey (b) black (c) brown (d)
yellow
1
32.
(a) (b) (c) (d)
The crystals of copper sulphate change its colour on heating.
The change incolour is from blue to :(a) black (b) brown (c) yellow
(d) white
1
33.
(a)
(b)
(c)
(d)
On rolling a magnet in the mixture of iron filings and sulphur
powder it isobserved that :-(a) only iron particles cling to the
magnet(b) only sulphur particles cling to the magnet(c) particles
of both iron and sulphur cling to the magnet(d) neither iron nor
sulphur particles cling to the magnet
1
34.
(a) (b)
(c) (d)
The magnesium oxide produced on burning magnesium in air appears
to belike :-(a) powdered chalk (b) common salt(c) wood ash (d)
powdered sugar
1
35. 1
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(a)
(b)
(c)
(d)
A student was asked to prepare a temporary mount of cheek cells
which he did
but his slide got mixed up with the slide of another student who
had preparedslide of onion peel. Which of the following observation
will help him inidentifying his slide of cheek cells.(a) presence
of cell membrane(b) presence of nucleus(c) absence of cell wall(d)
absence of intercellular space between the adjacent cells
36.
(a)(b)
(c)
(d)
After mounting the material on the slide the cover slip is
gently put to :(a) remove extra fluid(b) a void the entry of air
bubbles(c) avoid crushing of the material(d) help glycerine to
diffuse into the material on the slide
1
37.
(a)
(b)
(c)
(d)
To identify the human check cells slide from the slides given,
each havingdifferent characteristics which characteristics would
you take into account forits identification ?
(a) Rectangular cells with prominent nucleus and chloroplast.(b)
Rectangular cells with prominent vacuoles placed side by side(c)
Large flat cells with a prominent nucleus without vacuoles(d)
Rounded cells thick at corners having vacuoles
1
38.
(i) (ii)
(iii) (iv)
On viewing under a microscope the material in the permanent
slide shows
alternating light and dark bands with multi nucleate and
unbranched cells. Itis :-
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(i) nerve cell (ii) parenchyma(iii) striated muscle (iv)
sclerenchyma
39.
(a) A (b) B (c) C (d) DIntercellular space in the given diagram
of parenchyma tissue is marked by thearrow :-
(a) A (b) B (c) C (d) D
1
40.
5 g 6 g
(a) 60% (b) 80% (c) 83.3% (d) 20%In an experiment performed to
determine percentage of water absorbed byraisins, the initial mass
of raisins is 5g and final mass is 6g, the percentage ofwater
absorbed will be(a) 60% (b) 80% (c) 83.3% (d) 20%
1
41. 200
(a) 200
(b) 200
(c) 200
(d)
A wooden block of 200gwt placed on a horizontal table was to be
pulled fromone side by using a spring balance, to find the force
required to just move it.The maximum range of the spring balance
used in this experiment.(a) should be atleast upto 200g wt.(b) can
be less than 200 g wt.(c) must be more than 200 gwt.(d) less or
more, it does not matter.
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42. F1
F2 F3
(a) F1F2F3 (b) F1> F2 > F3
(c) F1< F2< F3 (d) F2< F1> F3
A wooden block on a horizontal surface just start sliding by
applying a force F 1from east direction. If the same process is
repeated with the force from northdirection and south direction
respectively and the recorded forces are F2and F3.Then on comparing
the three forces the observation will be(a) F1F2F3 (b) F1> F2
> F3
(c) F1< F2< F3 (d) F2< F1> F3
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