Page 1 of 9

4TTX684 I, 2016-17

SUMMATIVE ASSESSMENT – I, 2016-17

/ SCIENCE

IX / Class – IX

3 90

Time Allowed : 3 hours Maximum Marks : 90

1.

2.

3.

4. 1 3

5. 4 6 30-30

6. 7 18 50-50

7. 19 24 70-70

8. 25 33

9. 34 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 each7. 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 2 of 9

SECTION-A

1

Name the phenomenon that results in the shrinkage of human red blood cells when they are placed in hypertonic salt / sugar solution.

1

2

(i) m/s (ii) m/s2 Name the physical quantities whose Sl units are as given below :

(i) m/s (ii) m/s2

1

3 2 kg 5 ms2

What is the force required to accelerate a 2 kg mass by 5 ms2 ?

1

4

Compare physical and chemical changes in the form of a table.

2

5

Mention the functions of the various elements of xylem.

2

6 ‘g’

(i) (ii)

Name the positions on the surface of earth where the value of ‘g’ is (i) maximum (ii) minimum ? Justify your answer.

2

7

What is the principle of separating funnel technique? How is it useful in extraction of iron from its ore ?

3

8 (a)

(b)

(a) When common salt is dissolved in water, what will be the change in volume and why ? (b) Write any one similarity among three states of matter.

3

9 (a)

(b)

(a) Explain the term humidity. How does rate of evaporation depend on humidity ? (b) Why does a desert cooler cool better in the month of May and June rather than in July and August.

3

10

Draw the diagram of smooth muscle cell and a sperm cell. Comment on the variety of shapes of cell by taking two more examples.

3

11 (a)

(b)

(c)

(a) Define tissue. (b) What is their utility in multicellular organisms ? Give two reasons. (c) Why are tissues different in plants and animals ?

3

Page 3 of 9

12

State Newton's third law of motion. How will you prove that the action and reaction always act on two different bodies?

3

13 9.11031 kg 10

oA

1oA1010 m

Two electrons each of mass 9.11031 kg are at a distance of 10oA . Calculate the gravitational force

of attraction between them. (Given 1oA1010 m)

3

14

(a) 2 6 s

(b)

(c)

The position–time graph for the motion of a car is given below :

(a) How far the car travelled in the time interval 2 to 6 s ? (b) During which interval of time its speed was more ? (c) Calculate the average speed of the car.

3

15 750 N

(i) 38%

(ii) ( g = 10 m/s2)?

Mona weighs 750 N on Earth.

3

Page 4 of 9

(i) On the planet Mars, the force of gravity is 38% of that of Earth. How much will Mona weigh on Mars? (ii) What will be Mona’s mass on Earth ( g = 10 m/s2) ?

16 यदि दिसी गेंि िे वेग ‘v’ से ववरामावस्था में लाने िे समय िो आधा िर दिया जाए ,ेंो वना िे मानन में या

ेंगरवेंनन वनगें (

(a) प्रारंविि ेंथा अंवेंम संवेग

(b) संवेग में ेंगरवेंनन

(c) संवेग ेंगरवेंनन िी िर If the time taken to bring a ball to rest from a certain velocity ‘v’ is reduced to half, what will be the changes in values of : (Give reason for your answer) (a) Initial and final momentum (b) Change of momentum (c) Rate of change of momentum

3

17

(i)

(ii)

(iii)

Ramkaran wanted to practice bee keeping along with farming. His son, Kishor who was a student of class IX encouraged him and other villagers to establish bee farms in the village. They faced some problems which they solved with the help of technology expert. (i) “Bee keeping for making honey has become an agricultural enterprise”. Jusitify the statement. (ii) Mention any two desirable characters of bee varieties suitable for honey production. (iii) Which values of villagers impress you ?

3

18

(a)

(b)

(c)

Give one word for the following and give one example of each : (a) Growing one row of crop alternately with the other crop (b) Growing two or more crops simultaneously in the same field (c) Growing different crops on a land in pre - planned succession

3

19

List six physical properties of non-metals. Name two non metals. Name a non - metal that is liquid at room temperature.

5

20 5

Page 5 of 9

When a solid melts the temperature of the system does not change after the melting point is reached even when we continue to supply heat? Give reason. Define latent heat of vaporisation. Which will cause more severe burns boiling water or steam and why?

21

Which organelle of the cell is known as the powerhouse of the cell and why? Which two cell organelles have their own genetic material and proteins? Where do the lipids and proteins constituting the cell membrane get synthesised?

5

22 (a) 2as = v2 u2

(b)

(a) Derive the equation of motion, 2as = v2 u2 by graphical method.

(b) Which of the following distance-time graphs is possible ? Give reason for your answer.

5

23 दिसी वस्ेंु ेंर िायनरें

a) गुरुत्वीय बल < वायु प्रवेंरोध

b) गुरुत्वीय बल > वायु प्रवेंरोध

c) साइदिल ेंर यांविि बल > घर्नण बल

d) घर्नण बल = वस्ेंु ेंर यांविि धक्का

e) दिया एवं प्रवेंदिया बल

5

Page 6 of 9

If the force acting on a body are of following type, then describe their effect on the body : a) Force of gravity < air resistance b) Force of gravity > air resistance c) Mechanical pull on a bike > frictional force d) Frictional force = mechanical push on an object e) Action and reaction force.

24 (a)

(b)

(c)

(a) What is meant by composite fish culture? (b) What is the basis of selecting the different species of fish? (c) Which method is used to get pure fish seed?

5

/ SECTION - B

25

(a) (b)

(c) (d)

Main adulterant found in yellow dal is : (a) White stone (b) Dung powder (c) Yellow powder (d) Metanil yellow

1

26

(a) (b)

(c) (d)

What colour change will be observed when iodine solution is added to boiled rice extract? (a) magenta (b) blue black (c) pale green (d) brown

1

27

(a)

(b)

(c)

(d)

To distinguish between mixture and compound using iron filings and sulphur powder on the basis of appearance it was observed that : (a) Iron and sulphur form homogeneous mixture. (b) Iron and Iron sulphide form heterogeneous mixture. (c) Iron sulphide forms homogeneous mixture. (d) Iron sulphide forms heterogeneous mixture.

1

28

(a)

1

Page 7 of 9

(b)

(c)

(d)

Suggest a method of separating iron filings from sulphur powder : (a) Heating in a china dish (b) Heating in a boiling tube (c) Moving a magnet through the mixture (d) Heating with water

29

(a)

(b)

(c)

(d)

Burning of magnesium results in the formation of magnesium oxide. On adding water to it, it will turn : (a) Blue litmus to red (b) Red litmus to blue (c) Blue litmus and red litmus do not show any change (d) None of the above.

1

30 10

(a)

(b)

(c)

(d)

Observing the temporary mount of human cheek cells under 10 times magnification of microscope the students observed that : (a) tightly packed rectangular cells with centrally placed nucleus. (b) tightly packed rectangular cells with cell wall and a large central vacuole. (c) irregular cells with cell wall and centrally placed nucleus. (d) irregular cells without cell wall, have nucleus at the centre.

1

31

(A) (B) (C) (D)

(a)

1

Page 8 of 9

(b)

(c)

(d)

Four slides were given to students for observation under a microscope for spot test as shown below. The correct Identification of the four spots is :

(A) (B) (C) (D)

(a) Onion peel Cheek cell Sclerenchyma Parenchyama

(b) Cheek cell Parenchyma Sclerenchyma Onion peel

(c) Parenchyma Cheek cell Onion peel Sclerenchyma

(d) Sclerenchyma Onion peel Parenchyma Cheek cell

32

(a)

(b)

(c)

(d)

The process used to separate salt , sand and iron fillings is : (a) dissolving in water and filtration. (b) use of magnet, dissolving in water and filtration. (c) use of magnet, dissolving in water, filtration and evaporation. (d) use of magnet, filtration, dissolving in water and distillation.

1

33 3 cm5 cm6 cm

(a) 3 cm5 cm

(b) 5 cm6 cm

(c) 6 cm3 cm

(d)

While doing experiment in physics laboratory a studenet took a wooden block of dimensions 3 cm5 cm6 cm and placed it on a table in different positions and pulled it with a spring balance. The reading on the spring balance would be : (a) maximum with 3 cm5 cm face (b) maximum with 5 cm6 cm face

1

Page 9 of 9

(c) maximum with 6 cm3 cm face (d) same in all the cases

34

A -

B -

C -

(I)

(II)

Three aqueous solutions are given to you with different solutes. A - sugar B - starch C - fine sand In which of these solutions will you get : (I) a translucent filtrate (II) a residue on filter paper on filtration ?

2

35

In an experiment to determine the boiling point of water, mention two important precautions to be taken.

2

36 g mL A

B A 0C B 0C

A B

A teacher soaked 10g raisins in 35mL of distilled water in a beaker A and similar amount in beaker B. She maintained the temperature of beaker A at 200C and beaker B at 400C. After an hour compared the percentage of water absorbed by the raisins in beakers A and B. What inference is drawn from her results ?

2

-o0o0o0o-