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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
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of Secondary Education in connection with school
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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) All questions 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) All questions of Section-A and all questions of Section-B
are to be attempted separately.
(v) Question numbers 1 to 3 in Section-A are one mark questions.
These are to be answered in
one word or in one sentence.
(vi) Question numbers 4 to 7 in Sections-A are two marks
questions. These are to be answered
in about 30 words each.
(vii) Question numbers 8 to 19 in Section-A are three marks
questions. These are to be answered
in about 50 words each.
(viii) Question numbers 20 to 24 in Section-A are five marks
questions. These are to be answered
in about 70 words each.
(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.
SC1-070
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SECTION-A
1.
Sugar and salt when kept in different jars take the shape of the
jar. Are they solid ? Justify your answer.
1
2.
In what way a prokaryotic cell is different than Eukaryotic cell
with respect to the nuclear membrane.
1
3.
During the game of table tennis, if the ball hits a player it
does not hurt him. On the other hand when a fast moving cricket
ball hits a spectator it may hurt him. State reason.
1
4. (a)
(b)
(a) A diver is able to cut through water in a swimming pool.
Which property of matter does this observation. How ?
(b) Liquids generally have lower density as compared to solids ,
but ice floats on water. Find out why ?
2
5.
When will you say that a given solution of a solute is saturated
? What would you observe when a hot saturated solution of the same
solute is allowed to cool.
2
6.
(a)
(b)
(c)
(d)
Identify the location of the following tissues : - (a) Tendon
(b) Cuboidal epithelium (c) Areolar tissue (d) Aerenchyma plant
tissue
2
7. 60 N
10 N
(gearth 10 ms2, gmoon earthg
6)
An astronaut carried a pot containing soil weighing 60 N from
the earth to the surface of moon. He kept it there and just before
return journey from moon to earth he weighed the soil there on the
surface of moon and found that it was only 10 N. Where did the rest
of the soil go and how much mass of soil was
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lost ? (gearth10 ms2, gmoonearthg
6)
8.
Define crop rotation, What is the basis of choice of the crop to
be cultivated after one harvest ? In what way crop rotation is
advantageous ?
3
9.
Explain why bee keeping for making honey has become an
agricultural enterprise? Name one local variety of bees used for
commercial honey production. What determines the quality of honey
?
3
10. (a)
(b)
(a) For any substance, why does the temperature remain constant
during the change of state. (b) Suggest a method to liquefy
atmospheric gases.
3
11.
State the meaning of the term solubility. Name two factors on
which the solubility of a substance depends. How is it expressed
?
3
12.
Define osmosis. In what two ways it is different from
diffusion.
3
13.
Draw a diagram of cardiac muscle and label any two parts. Write
one main function of cardiac muscle.
3
14.
Mention the position and function of apical, intercalary and
lateral meristems in plants.
3
15. 42 m
60 s
(a)
(b)
(c)
A cyclist moving in a circular path of diameter 42 m completes
three rounds of the circular path in 60 seconds. 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. 20 300 ms-1 880
A bullet of mass 20 grams moving with a velocity of 300 ms-1
gets embedded in
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a truly suspended wooden block of mass 880 g. Calculate the
velocity acquired by the block.
17.
Show that the rate of change of momentum of an object is the
product of its mass and acceleration.
3
18. (a)
(b)
(a) List four phenomena which can be explained by applying
universal law of gravitation. (b) A sheet of paper falls slower
than one that is crumpled into a ball, why ?
3
19. 20m.
(a)
(b)
A stone is released from the top of a building of height 20m.
Calculate : (a) the total time to return to the surface of the
earth (b) its final velocity just before touching the ground
(gz/0ms-2)
3
20.
What is composite fish culture ? What is the criteria for
selecting the fishes for this type of fish farming and why ? List
two problems of composite fish farming.
OR
Define fumigation and fumigant. Give an example of a fumigant.
How does fumigation differ from spraying ? Give two points.
5
21. (a)
(b)
(c)
(a) How does increase in surface area of evaporating liquid and
lowering of its temperature affect the rate of evaporation. (b)
Give two examples in which evaporation is advantageous. (c) Why
does water kept in earthern pot become cool during summer ?
OR
(a)
(b)
(c)
(a) Define boiling point and evaporation. (b) List two factors
on which boiling of a liquid depends. (c) Why are we able to sip
hot coffee or milk faster from a saucer rather than cup ?
5
22. (a) 5
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(b)
(c)
(a) Define sublimation and sedimentation. (b) You are provided
with a mixture of ammonium chloride, common salt, sand and iron
filings. Which of these substances can be separated by sublimation
and which by sedimentation? (c) Can salt be separated by
sedimentation? Justify your answer.
OR
Name the method by which camphor can be separated from sand.
Draw the diagram of the setup of the apparatus that will be used
for that method and label four parts.
23. (a)
(b) 0.1 m2
(a) (b)
(a) Write three advantages of velocity time graph.
(b) A bus starting from rest moves with a uniform acceleration
of 0.1 m2 for
2 minutes. Find (a) the speed acquired (b) the distance
travelled
OR
(a)
(i)
(ii)
(b)
(c) 90 km h-1. 0.5 ms2.
(a) State the relation between distance and time: (i) When a
body is moving with uniform velocity? (ii) When a body is moving
with variable velocity ? (b) How is distance different from
displacement ? (c) A train is travelling at a speed of 90 km h-1.
Brakes are applied in the
train so as to produce a uniform acceleration of 0.5 ms2. Find
distance
for the train, before it is brought to rest ?
5
24. (a)
(i)
(ii)
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(b) 300 kg 10 ms1 40 kg
50 ms1.
(a) State Newtons third law of motion. Find action and reaction
in the following : -
(i) a person moving on a floor (ii) a glass slab lying on a
table
(b) A car of mass 300 kg is moving with a speed 10 ms1 while a
scooter of
mass 40 kg is moving with a speed of 50 ms1. Compare their
momentums. Which vehicle will require more force to stop it in
the same interval of time.
OR
(a)
(b) 150 g 30 ms-1
0.06 s.
(a) State Newtons second law of motion. On which two factors
momentum of an object depends ? (b) A 150 g ball travelling at 30
ms-1 strikes the palm of a players hand and
is stopped in 0.06 s. Calculate the force exerted by the ball on
the hand.
/ SECTION - B
25.
(a) (b)
(c) (d)
To test adulteration in a sample of dal Ram added conc.
Hydrochloric acid to a solution of dal in water and observed that
magenta colour appears. This confirms that the dal is adulterated
with : - (a) saw dust (b) metanil yellow (c) argemone oil (d)
potassium dichromate
1
26.
(i)
(ii)
(iii)
(iv)
(a) (ii), (i), (iii), (iv) (b) (iii), (iv), (i), (ii) (c) (i),
(ii), (iv), (iii) (d) (ii), (iii), (i), (iv) Following are the
steps for conducting the starch test in the given sample of wheat :
(i) crush the wheat grains. (ii) add water to the test tube. (iii)
add few drops of iodine solution.
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(iv) boil the contents and filter. The correct sequence of the
steps is : - (a) (ii), (i), (iii), (iv) (b) (iii), (iv), (i), (ii)
(c) (i), (ii), (iv), (iii) (d) (ii), (iii), (i), (iv)
27. A,B C 0C
(a)
(b) 0C
(c)
(d)
To find the boiling point of water three students used water ,
at 0C, at room temperature and lukewarm water respectively. On
comparing their observations it will be found that the boiling
point of water will be : - (a) same in all the cases (b) least in
the water taken at 0C (c) maximum in the case of lukewarm water (d)
different in all the three cases
1
28.
(a)
(b)
(c)
(d)
In an experiment to find the melting point of ice the correct
reading of thermometer is noted when (a) ice starts melting (b)
whole of the ice melts (c) temperature starts increasing (d)
temperature becomes constant
1
29.
/ /
(a)
(b)
(c)
(d)
When sand, common salt and ammonium chloride are mixed and
subjected to sublimation, the component (s) that will sublime
is/are : (a) common salt (b) common salt and ammonium chloride (c)
common salt and sand (d) ammonium chloride
1
30.
(a)
(b)
(c)
(d)
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To prepare a colloid of starch : (a) Starch should be added in
boiling water (b) Starch powder should be added in cold water (c)
Starch powder should be heated and then added in cold water (d)
Thin paste of starch is added to hot water with constant
stirring
31.
(a)
(b)
(c)
(d)
When a mixture of iron filings and sulphur powder is added in
the carbon disulphide then it is observed that : (a) iron particles
dissolve (b) sulphur particles dissolve (c) both iron and sulphur
particles dissolve (d) neither iron nor sulphur particles
dissolve
1
32.
(a)
(b)
(c)
(d)
Amit mixed barium chloride solution and sodium sulphate solution
in a test tube and observed the : (a) formation of yellow
precipitate instantaneously (b) formation of white precipitate
instantaneously (c) formation of yellow precipitate after sometime
(d) formation of white precipitate after sometime
1
33.
(a) (b)
(c) (d)
The components of a mixture of iron filings and sulphur powder
can be separated by : (a) Sublimation (b) Distillation (c)
Filtration (d) Using a magnet
1
34.
(a)
(b)
(c)
(d)
To observe a reaction of zinc granules with sulphuric acid the
student should : (a) use dilute sulphuric acid (b) add water to
concentrated sulphuric acid before using it (c) mix concentrated
and dilute sulphuric acid (d) use concentrated sulphuric acid
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35.
(a)
(b)
(c)
(d)
Rama prepared a temporary mount of onion peel and observed the
slide under microscope. The cell structures which she can see
clearly are :- (a) cell wall, nucleus, vacuole, chromosomes (b)
Nucleus, cell membrane, vacuole, chromosomes (c) Cell wall, cell
membrane, mitochondria, vacuole (d) Cell wall, cell membrane,
nucleus, cytoplasm
1
36.
(a) (b)
(c) (d)
Methylene blue which is used for staining human cheek cells
would stain : (a) cell membrane (b) cell membrane and cytoplasm (c)
nucleus and cell membrane (d) nucleus only
1
37.
(a) (b)
(c) (d)
While preparing the temporary mounts, glycerine is used to
prevent : (a) dehydration of cells (b) rupture of cover slip (c)
hydration of the cells (d) entry of air bubbles
1
38.
(a)
(b)
(c)
(d)
The unique feature of the nucleus of the striated muscle is :
(a) oval shaped and multi nucleate. (b) elongated and multi
nucleate. (c) oval shaped and uni nucleate. (d) elongated and uni
nucleate
1
39. (X)
(a) (b)
(c) (d)
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The marked arrow (X) in the diagram of parenchyma tissue as
shown below indicates :
(a) cytoplasm (b) intercellular space (c) intracellular space
(d) vacuole
40. w2 g
w1 g,
(a) 2 1
1
w w100
w (b) 2
1
w100
w
(c) 1
2
w100
w (d) 1 2
2
w w100
w
If the mass of dry raisins is w2 g and that of raisins soaked in
water is w1 g, the correct formula to calculate the percentage of
water absorbed by raisins will be :
(a) 2 1
1
w w100
w (b) 2
1
w100
w
(c) 1
2
w100
w (d) 1 2
2
w w100
w
1
41. m1, m2 m3
m1 m1 m2 m3
(a) m1 = m2 = m3 (b) m1 > m2 > m3 (c) m1 < m2 < m3
(d) m2 < m1 > m3 Three different wooden blocks each having
weight m1 m2 and m3 respectively were placed on a horizontal
surface and the force applied to move the three blocks was measured
by using the spring balance. If the force required on the wooden
block of mass m1 for just start sliding is maximum the relation
between the weight of m1, m2 and m3 would be : (a) m1 = m2 = m3 (b)
m1 > m2 > m3 (c) m1 < m2 < m3 (d) m2 < m1 >
m3
1
42.
(a ) 1.0 (b) 2.0
(c) 5.0 (d) 0.5
The spring balance which will give the most accurate reading on
using it in the experiment to establish relationship between the
weight of rectangular wooden block lying on a horizontal table and
the force required to just move it should have the least count :
(a) 1.0g wt (b) 2.0g wt (c) 5.0g wt (d) 0.5g wt
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