VI Standard - 6th - Science - Quarterly Exam Question Paper - Samacheer Kalvi

 

QUARTERLY EXAM

CLASS: VI                                                               TOTAL MARKS: 100

SUBJECT: SCIENCE                                                 TIME: 2.30 Hrs

I. Choose the correct answer.                                 20 X 1 = 20

1.Conversion of 7 m into cm gives _____

  a) 70 cm c) 700 cm b) 7 cm d) 7000 cm

2. Unit of speed is

a. m   b. s     c. kg    d. m/s

3. . Quantity that can be measured is called ____

 a) physical quantity    c) unit     b) measurement    d) motion

4. The correct relation among the following is

  a. Speed = Distance × Time      b. Speed = Distance / Time      c. Speed = Time / Distance

    d. Speed = 1 / (Distance × Time)

5. -------- is essential to perform winnowing activity.

    a. Rain b.  Soil c. Water d. Air

6. -------- is not made of matter.

 a. Gold ring b. Iron nail c. Light ray d. Oil drop

7. Lighter impurities like dust when mixed with rice or pulses can be removed by------------ .

 a. filtration b. sedimentation c. decantation d. winnowing

8. . Pond is an example of ____________ ecosystem.

  a) marine b) freshwater c) deserts d) mountain

9. The habitat of water hyacinth is

 a) aquatic b) terrestrial c) desert d) mountain

10. Organ of absorption is ____________

   a) root b) stem c) leaf d) flower

11. The study of living beings or organisms is called

a. Psychology b. Biology c. Zoology d. Botany

12. Lizards breathe through their

 a. skin     b. gills     c. lungs     d. trachea

13. Which animal has the special organs of breathing called gills?

 a. Earthworm b. Fox c. Fish d. Frog

14. Our body needs ______ for muscle building.

  a) carbohydrate    b) fat     c) protein     d) water

15. Calcium is an example for ------------

 a) carbohydrate b) fat c) protein d) minerals

16. Bacteria are very small _______ microorganism.

 a) prokaryotic b) eukaryotic c) protozoa d) acellular

17. . Who is the father of computer?

 a. Martin Luther King b. Graham Bell c. Charlie Chaplin d. Charles Babbage

18. Pick out the odd one.

  a. Calculator b. Abacus c. Flash card d. Laptop

19. When was the first computer introduced?

   a. 1980    b. 1947   c. 1946 d. 1985

20. Choose the correct one

   a) km > mm > cm > m    b) km > mm > m > cm    c) km > m > cm > mm   d) km > cm > m > mm

 

II. Answer the following questions  (Any 20)             20 X 2 = 40

21. . Define measurement.

22. Arrange the following in the increasing order of unit.

          1 Metre, 1 centimetre, 1 kilometre, and 1 millimetre.

23. Match the following.

 1. Length of the fore arm                a. metre

 2. SI unit of length                           b. second

 3. Nano                                              c. 10³

 4. SI Unit of time                              d. 10^–9

5. Kilo                                                  e. Cubit

24. Name different types of motion based on the path.

25.  Complete the analogy.

   1. Kicking a ball : Contact force :: Falling of leaf : ______?

    2. Distance : metre :: Speed :_______ ?

26.  A vehicle covers a distance of 400km in 5 hour. Calculate its speed.

27. Define the term matter

28. Give the main difference between a pure substance and an impure substance.

29. State True or False.  If false, correct the statement.

 a. Air is a pure substance.

 b. Butter from curd is separated by sedimentation.

30. Arrange the following in correct sequence.

 1. Leaf – Stem – Root – Flower

 2. Transpiration – Conduction - Absorption – Fixation

31. Why do we call jasmine plant, a twiner?

32. Mention few desert plants.

33.  Fill in the blanks.

     1. Tail of a bird acts as a rudder which helps to _____

     2. Amoeba moves with the help of _______

34. What are the body parts of a snake?

35. Which structure helps the bird to change its direction while flying in air?

36.  Complete the analogy.

     1. Vitamin D : Rickets :: Vitamin C : _____.

     2. Iodine : Goitre :: Iron : _____.

37. Mention any two viral diseases.

38. Differentiate between carbohydrate and protein

39. Name any four input devices.

40. Differentiate hardware and software

41. State True or False.

    1. Computer is an electronic device.

    2. Sir Isaac Newton invented computer.

42. Explain in detail above the applications of computer.

43. Match the following.

1.First generation computer   - Artificial Intelligence

2.Second generation computer          - Integrated Circuit

3.Third generation computer - Vacuum tubes

 4.Fourth generation computer          - Transistor

5.Fifth generation computer  - Micro processor

 

III.  Answer in detail. (ANY 8)                                                                                    8  X 5 = 40

44. Explain one methods that you can use to measure the length of a curved line.

45. What is motion? Classify different types of motion with examples.

46. Distinguish the properties of solid, liquid and gas. Draw a suitable diagram.

47. Make a list of the functions of root and stem

48. a)  Compare the taproot and fibrous root systems.

      b) Distinguish between terrestrial and aquatic habitats.

49. Differentiate between unicellular and multicellular organisms.

50. Describe the various features which help camel dwell well in the desert.

51. Tabulate the vitamins and their corresponding deficiency diseases.

52. a. Write the adaptive features of polar bear and penguin

       b. What are the adaptations seen in different types of vertebrates?

53.a. Differentiate between rotational and curvilinear motion

      b. Give the main difference between a pure substance and an impure substance.