sample paper for practice 9th

                                                                                

 SCIENCE

SAMPLE PAPER                            (TERM 1)                                

BLUE    PRINT                                 CLASS IX

Name of the chapter	MCQ (1Mark)	VSA (1mark)	Assertion and reasoning (1Mark)	3Mark questions	5 Mark questions	Total Marks
Matter in our surroundings	2(1)	1(1)		1(3)	1(5)	11
Is matter around us pure	1(1)	1(1)	1(1)	2(3)	1(5)	14
The fundamental unit of life	1(1)	4(1)	1(1)	1(3)		9
Tissues	2(1)			1(3)	1(5)	10
Improvement in food resources				1(3)	1(5)	8
Motion	2(1)	1(1)	1(1)	1(3)	1(5)	12
Force and laws of motion	1(1)			3(3)		10
Gravitation ( Till mass and weight)	1(1)				1(5)	6
TOTAL	10(1)	7(1)	3(1)	10(3)	6(5)	80

                                                                              SCIENCE

Sample Paper

Term I

Class IX

      M. M-80

GENERAL INSTRUCTIONS

1.    The question paper consists of four sections A, B,C and D, containing 36 questions.

2.    All questions are compulsory.

3.    Question No. 1 to 10 are MCQs.These carry 1 Mark each.

4.    Question No. 11 to 17 are 1 mark questions. These are VSAs to be answered in one word or sentence.

5.     Question No. 18 to 20 are 1 mark questions. These are Reasoning and Assertion questions.

6.    Question No. 21 to 30 are 3 mark questions. These are to be answered in about 50 words.

7.    Question No. 31 to 36 are 5 mark questions. These are to be answered in about 70 words.

SECTION A

Q1. Pure water boils at

I. Any temperature                                                                                                II. 100 C

III. 0 C                                                                                                                          IV. 273 K             

Q2. When Fe is heated with Sulphur the black mass formed

           I.          Gives Hydrogen gas with dil. HCl                                                                II. attracted by magnet

         II.          Does not dissolve in carbon disulphide                                                   IV. retains physical appearance of  Iron and Sulphur

Q3. Transpiration and exchange of gases are functions of

      I. Stomata                                                                                                                     II. Xylem

III. Both a) and b)                                                                                                       IV. Neither a) or b)

Q4. Parenchyma: Simple:: Phloem: ________

I.    Simple                                                                                                                      II. Collenchymas

III. Complex                                                                                                                  IV. Xylem

Q5. Name the quantity which is measured by the area occupied below the velocity –time graph.

 I. Distance                                                                                                                    II .Speed

III. Velocity                                                                                                                   IV. Acceleration

Q6. A stone is thrown vertically upwards. The physical quantity which is zero during the motion.

I. Initial velocity                                                                                                          II. Final velocity

III. Acceleration                                                                                                          IV. Height

Q7. The melting points of four solids A, B, C and D are 298K, 370 K, 400 K, and 310 K respectively. Arrange them in   increasing order of their inter particle forces of attraction.

I.A, B, C, D                                                                                                                     II.A, C, B, D

III.A, D, B, C                                                                                                                   IV.C, B, D, A

Q8. Which of the following organelles is present in onion cells but not in human cheek cells.

I. Cell wall                                                                                                                      II. Cytoplasm

III. Nucleus                                                                                                                    IV. Plasma

Q9.Balanced force cannot change

I. The shape of an object                                                                                         II. Position of an object

III. Size of an object                                                                                                   IV. None of these

Q10. On what factor does the magnitude of buoyant force experienced by the body in a fluid does not depend on

I. Volume of the fluid displaced                                                                            II. Density of the fluid

III. Value of ‘g’                                                                                                             IV. Value of ‘G’

Q11. Name the process which occurs when a drop of dettol is added to water.

Q12.Chemical formula of dry ice is ___________.

Q13._____________ physical quantity always remains same in uniform circular motion.

Q14. Which cell organelle is also known as suicide bags of the cells?

Q15. Name the cell organelle which plays a crucial role in detoxifying many poisons and drugs in humans.

Q16.The functional segments of DNA are called________________.

Q17. Mitochondria is known as the storage bag of the cell. (True/False)

 For Q18,19 and 20. Choose the correct option.

 I. If both Assertion and Reason are true and the reason is the correct explanation of the Assertion.

 II. If both Assertion and Reason are true but the reason is not correct explanation of the Assertion.

III. If the Assertion is true but reason is false.

IV. If the Assertion and Reason both are false.

V. If Assertion is false but Reason is true.

Q18. Assertion-A body can have acceleration even if its velocity is zero at a given instant of time.

         Reason- A body is momentarily at rest when it reverses its direction of motion.

Q19. Assertion- Milk dissolved in water shows Tyndall effect.

         Reason- Path of light is visible through the solution of milk in water.

Q20. Assertion: A cell membrane shows fluid behaviour.

         Reason: A membrane is a mosaic or composite of diverse lipids and proteins.

SECTION B

Q21. A train starting from rest attains a velocity of 90km/h in 2 minutes. Assuming the acceleration to be uniform find the value of I) acceleration II) distance travelled in 2 minutes.

Q22. An object of mass 20kg is accelerated uniformly from a velocity of 36km/h to 54km/h in 25 seconds. Calculate the initial and final momentum of the object also find the magnitude of force exerted on the object.

OR

Interpret force in terms of momentum. Represent the following relations graphically.

I. Momentum v/s Mass when velocity is constant.

II. Momentum v/s Velocity when mass is fixed.

Q23.Give reasons for the following:

I. Inner membrane is deeply folded in mitochondria.

II. Large vacuoles are present in plant cells.

III. SER is present in bulk in liver cells of the vertebrates.

Q24.I. How much water should be mixed with 12ml of alcohol so as to obtain 12% alcohol solution?

II. What would you observe when a saturated solution of KCl prepared at 60 C temperature is allowed to cool to room temperature?

Q25.I. At what temperature in the Kelvin scale does impure water boil with boiling point 367 C.

  II. Why does the level of water not change when sugar is dissolved in it?

  III. A sample of water under study was found to boil at 105 C at normal temperature and pressure. Is the water                   pure or not. Will this water freeze at O C or not? Give reason in support of your answer.

Q26. Identify the type of epithelial cells present in the following parts.

I. Lining of kidney tubules

II. Oesophagus

III. Skin

IV. Respiratory tract

V. Ducts of salivary glands

VI. Inner lining of intestine

OR

Give reasons for the following.

I. We get crunchy and granular feeling when we chew pear fruit

II. Cells of sclerenchyma tissue have narrow lumen

III. Muscles are able to contract and relax to bring about movements

Q27. What is composite fish culture? What are the two criteria  for  selecting such a combination?

Q28. Give reason for the following.

 I. Sailor pushes the boat in the backward direction.

 II. Dust comes out when a carpet is beaten with stick.

III. An object is in motion even when net external force is zero.

Q29.I. Define Linear Momentum.

II. A hockey ball of mass 200g travelling at 10m/s is struck by a hockey stick so as to return it along its original     

    path with a velocity of 5m/s. Calculate the change of momentum occur in the motion of hockey ball by the force applied by the hockey stick.

Q30.I. Make a flow chart for fractional distillation of air.

II.    Which component of air is condensed first?

Q31. Plot V-T graph for the given observation table recorded during the motion of the object.

Time(s)	0	1	2	3	4	5	6	7	8
Velocity(m/s)	0	5	10	15	20	15	10	5	0

Use the graph to calculate I. Total distance travelled.

                                                       II. Acceleration in 0-4s

                                                        III. Name the type of motions involved.

Q32.I. What do you mean by free fall?

   II Derive an expression for acceleration for a freely falling object.

III. An object is thrown up with the velocity of 20m/s. Find-

 a) Maximum height attained by it.               b) Total time taken by it to return back.

OR

I. State the Universal Law of Gravitation. Give its mathematical expression.

II. Find the force of gravitation between the earth and the planet of mass M. Given Mass of Earth=6X10 ²⁴ kg, Mass of Planet= 10 ²² kg, Distance between them 3.84X 10 ⁸ m.

Q33.State the separation technique you would apply for the separation of the following.

I. Sodium Chloride from the sea water

II. Butter from curd

III. Tea leaves from tea

IV. Pigments from an extract of leaves

V. Iron pins from sand

OR

You have been provided with three solutions:

Solution A: Chalk powder in water

Solution B: Ammonium Chloride in water

Solution C: Sand in water

Identify them as true solution, colloids and suspension on the basis of

· Homogeneity

· When light is passed through them

· Stability

· Filterability

Q34.I.Wet clothes dry up similarly when we spill water on the floor it dries up after sometime. In both the cases change of state from liquid to vapour takes place without reaching the boiling point.

a) What is this phenomenon called?

b) Mention three factors which determine the rate at which the change of state from water to vapours occur at room temperature?

II. Why does our palm feel cold when we put acetone or petrol or perfume on it?

OR

Give reasons

I.A gas fills completely the vessel in which it is kept.

II.A wooden table should be called a solid

III. We are able to sip hot tea or milk faster from a saucer faster than a cup.

IV.A diver is able to cut through water in a swimming pool.

V. Steam produces more burns as compared to boiling water.

Q35. I. A poultry farmer wants to increase his broiler production. Explain three management practices he must follow to enhance the yield.

        II. In what ways is the daily requirement of broilers different from those of egg layers?

Q36.I. We can fold the cartilage of the ears but we can bend the bones in our arms. Justify.

II. Which connective tissue is found between skin and muscles? Write any two functions of the same.

OR

I. What is the role of cilia present in columnar epithelium?

II. Differentiate between parenchyma, collenchyma, and sclerenchyma on the basis of their structure, function and location.