SUMMATIVE ASSESSMENT - 1 SCIENCE CLASS 9 Question paper ...

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SUMMATIVE ASSESSMENT - 1 SCIENCE CLASS 9 Question paper: C09-SC-SA1-2013-01

Time: 3 Hrs

Max Marks: 90

General Instructions :

A)

The question paper comprises of two sections, A and B. You are to attempt both the sections.

B)

All questions are compulsory.

C)

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.

D)

All questions of section A and all questions of section B are to be attempted separately.

E)

Questions number 1 to 3 in section A are one mark questions. These are to be answered in one word or in one sentence.

F)

Questions numbers 4 to 7 in section A are two marks questions. These are to be answered in about 30 words each.

G)

Questions numbers 8 to 19 in section A are three marks questions. These are to be answered in about 50 words each.

H)

Questions numbers 20 to 24 in section A are five marks questions. These are to be answered in about 70 words each.

I)

Questions number 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.

J)

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SECTION – A 1. Classify matter in terms of composition. 2. Name two organelles which contain their own genetic material 3. Which has more inertia: a man or a child 4. Identify the apparatus and label the parts A, B, C and D

A B C D

5. What will happen to the gravitational force between two bodies if the masses of both the bodies are doubled but the distance between them remains the same? 6. State the functions of mitochondria, ribosomes 7. Give difference between blood & lymph 8. The gravitational force between two objects is 49 N. How much distance should be decreased between them so that the force between them doubles? 9. Give Reasons: a) A gas fills a vessel completely in which it is kept. b) Suggest a method to liquefy atmospheric gases. 10. State the ways in which phloem is functionally different from Xylem.



11. a) Define pure substance b) List the differences between homogenous and heterogeneous mixtures 12. A stone is dropped from the top of a tower 100 m high and instantly a second stone is projected vertically upward from the bottom with a velocity of 25 m/s. Find when and where these two stones meet. 13. Name two improved crossbreeds of cow and one exotic variety of cows. 14. Name the following tissues a) Tissue that stores fats in our body b) Tissue present in the brain c) Connective tissue with a fluid matrix d) Tissue that store muscles to bone in humans. 15. A ball starts from rest and rolls 16m down an inclined plane in 4 s. a)What is the acceleration of the ball? b) What is the velocity of the ball at the bottom of the incline? 16. a) State Newton’s third law of motion. b) Explain why a gun recoils after firing? 17. Which cell organelle is associated with elimination of old and worn out cells & Why? 18. a) Define Inertia. There are three solid balls, made up of aluminium, wood and steel. Each of them has same shape and volume. Which of them would have the most inertia? Why? b) Explain why the passengers in the bus fall backward when it starts suddenly? 19. How does intercropping differ from mixed cropping? Give two examples for each. Mention the advantages of intercropping. 20. a) Tabulate the differences of states of matter based on their characteristics b) For any substance, why does the temperature remain constant during the conversion of states of matter? OR a) Compare true solution, suspension and colloids in terms of: i) Filterability ii) Stability b) List two factors which bring about a change in the state of matter say, gas to liquid.



21. Draw and explain the process used to separate the mixture of two miscible liquids like kerosene and petroleum. OR a) Define the following properties of matter i) Rigidity ii) Diffusion iii) Compressibility b) Arrange solids, liquids and gases in the ascending order as regards the extent to which each of the above properties is exhibited in them. c) Write any one example from your daily life experience which is based on diffusion of gases. 22. The velocity –time graph of a body is given below as follows

a) b) c) d)

State what kind of motion is represented by OA? What is the acceleration between 5s and 25s. Calculate displacement covered by body between 5th s and 25th s. Which part shows retarded motion? Which part shows accelerated motion? OR

a) Using Newton’s law of motion, derive the relation between force and acceleration. b) Define one newton. c) Which would require a greater force to accelerate a) 0.5 kg mass at 5 m/s2 or b) 4 kg mass at 2 m/s2 ? Give reason. 23. An object starts linear motion with a velocity ‘u’ and under uniform acceleration ‘a’ acquires a velocity ‘v’ in time ‘t’. Draw its velocity time graph. From this graph obtain the following equations - 1) S = ut + ½ at2 2) v2 – u2 = 2as OR a) Define circular motion. b) “Uniform circular motion is an accelerated motion”. Justify this statement with reason. c) An artificial satellite is moving in a circular orbit of radius 42250 km. Calculate its speed if it takes 24 hours to revolve once around the earth.



24. How do crop variety improvement methods come to the rescue of farmers facing repeated crop failure? Name the methods which enhance crop improvement? Which is the most common method of obtaining improved variety of crops? Explain briefly. OR A poultry farmer wants to increase his broiler production. Explain three management practices followed to enhance the yield. In what way is the daily food requirement of broiler different from those of egg layers?

SECTION - B Select the best option. 25. Carbon disulphide is poured into a test tube containing a mixture of iron filings and Sulphur powder. After shaking the contents of the test tube it is observed that a) Sulphur dissolves and iron filings float b) Some brown gases are evolved c) Three separate layers are formed d) Yellow solution is formed and iron filings settle down 26. When iron nails are present in copper sulphate solution for 10 minutes , the inference states that blue colour solution disappears and turns into a) Greenish b) Reddish brown c) Blue d) Yellow 27. While preparing a temporary mount of the Cheek cells, the reason behind staining the cells is a) To prevent the cells from dying quickly b) To preserve them c) To distinct them d) To make them the organelles clearly visible 28. Food is engulfed by amoeba by a process called a) Endocytosis b) Exocytosis c) Plasmolysis d) Osmosis 29. Which of the following plant groups bear naked seeds? a) Angiosperms b) Gymnosperms c) Bryophytes d) Pteridophytes



30. Which breed of buffalo is high yielding? a) Murrah b) Sahiwal c) Gir d) Holstein 31. The given diagram represents

a) b) c) d)

Parenchyma Scalerenchyma Collenchyma Salaried

32. Which one is not a fresh water fish? a) Salmon b) Magur c) Calbasu d) Catla 33. In an experiment to separate the components of common salt, sand and ammonium chloride , the component removed by filtration is a) Sand b) Ammonium chloride c) Common salt d) None of these



34. In the determination of melting point of ice, correct reading of melting point is noted in the thermometer when , a) there is rise in temperature b) temperature remains constant c) melting of ice occurs d) All the above 35. A solid that undergoes sublimation is a) Lead sulphate b) Ammonium chloride c) Copper sulphate d) Sodium chloride 36. Which one of the following forms a colloid in water? a) Soil b) Chalk powder c) Sand d) None of these 37. To prepare a colloidal solution of starch , we should: a) add starch powder to boiling water and cool b) add starch powder to cold water and boil c) heat starch, add it to cold water and then bring it to boil d) add thin paste of starch to hot water with stirring 38. Prepare four different mixtures using charcoal powder, chalk powder, slaked lime and detergent powder. After filtration of these mixtures using filter paper , no residue is left in the case of a) Charcoal powder b) Slaked lime c) Chalk powder d) Detergent powder 39. Tinu added 2ml of barium chloride solution to 2ml sodium sulphate solution in a test tube and observed that a) clear solution was obtained b) two solutions formed separate layers in the test tube c) solution turned pink in colour d) white solid settled at the bottom



40. 25 g of common salt is dissolved in 100 g of water. The percentage composition of the solution is a) 30 % b) 20 % c) 10 % d) None of these 41. A number of forces are acting on an object P such that the net force acting on it is zero. Also a number of forces are acting on another object Q such that the net force acting on it is not zero. a) Balanced force acts on object Q and unbalanced force acts on P. b) Unbalanced force acts on both P and Q. c) Unbalanced force acts on object Q and balanced force acts on P. d) Balanced forces produce acceleration in the objects. 42. A coin of rupee is placed on a cardboard. This cardboard along with coin is placed on an empty glass. The coin will fall into glass if a) We strike the coin with a finger b) We strike the cardboard very slowly with a finger. c) We strike hard the cardboard with a finger. d) We strike the cardboard with a finger and the coin is glued with the cardboard.



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