2nd Term SA Model Question

6th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Science

Time : 02:00:00 Hrs
Total Marks : 60
    I. Choose the best answer
    10 x 1 = 10
  1. One litre of water at 30o C is mixed with one litre of water at 50o C. The temperature of the mixture will be

    (a)

    80o C

    (b)

    More than 50°C but less than 80o C

    (c)

    20o C

    (d)

    around 40o C

  2. __________ is a good conductor

    (a)

    silver

    (b)

    wood

    (c)

    rubber

    (d)

    plastic

  3. Drying of wet clothes in air is an example of

    (a)

    Chemical change

    (b)

    Undesirable change

    (c)

    irreversible change

    (d)

    physical change

  4. Air pollution leading to Acid rain is a

    (a)

    reversible change

    (b)

    fast change

    (c)

    natural change

    (d)

    human made change

  5. Nitrogen is used in the food packaging industry because it ________________

    (a)

    provides colour to the food

    (b)

    provides oxygen to the food

    (c)

    adds proteins and minerals to the food

    (d)

    keeps the food fresh

  6. Under the microscope Priya observes a cell that has a cell wall and distinct nucleus. The cell that she observed is

    (a)

    a plant cell

    (b)

    an animal cell

    (c)

    a nerve cell

    (d)

    a bacteria cell

  7. Most organelles in a eukaryotic cell are found in the

    (a)

    Cell wall

    (b)

    cytoplasm

    (c)

    nucleus

    (d)

    Vacuole

  8. Circulatory system transports these throughout the body

    (a)

    Oxygen

    (b)

    Nutrient

    (c)

    Hormones

    (d)

    All of these

  9. Name the cable that connects CPU to the Monitor

    (a)

    Ethernet

    (b)

    Power Cord

    (c)

    HDMI

    (d)

    USB

  10. Which one of the following is an example for wireless connections

    (a)

    Wi-Fi

    (b)

    Electric wires

    (c)

    VGA

    (d)

    USB

  11. II. Fill in the blanks
    5 x 1 = 5
  12. Two bodies are said to be in the state of thermal______________ if there is no transfer of heat taking place.

    ()

    equilibrium

  13. Boiling of egg results in__________________change. (a reversible / an irreversible)

    ()

    a reversible

  14. __________ is the active component of air.

    ()

    Oxygen

  15. The instrument used to observe the cell is ______________.

    ()

     microscope

  16. The ______________ is the largest sense organ in our body.

    ()

    Skin

  17. III. Match the following
    5 x 1 = 5
  18. Control center

  19. (1)

    Chloroplasts

  20. Food producer (Plant cell)

  21. (2)

    Cell membrance

  22. Gate of the nucleus

  23. (3)

    Nucleus Cell membrance

  24. Gate of the cell

  25. (4)

    Nuclear mem-brane

  26. Energy producer

  27. (5)

    Mitochodria

    IV. Answer any 10 in the following :
    10 x 2 = 20
  28. Make a list of electrical equipments at home which we get heat from.

  29. What is temperature?

  30. What type of circuit is there in a torch light?

  31. Assertion (A): It is very easy for our body to receive electric shock.
    Reason (R): Human body is a good conductor of electricity.
    a. Both A and R are correct and R is the correct explanation for A.
    b. A is correct, but R is not the correct explanation for A.
    c. A is wrong but R is correct.
    d. Both A and R are correct and R is not the correct explanation for A.

  32. You are given some candle wax. Can you make a candle doll from it? What kind of change is this?

  33. What is a solution?


  34. What will happen if we remove the fish from the aquarium and keep it (with green plants) in a dark place?

  35. What is atmosphere? Name the five layers of atmosphere

  36. Who discovered the cell in 1665?

  37. What are the organelles found only in plant cell?

  38. Write any two functions of digestive system.

  39. Name the important parts of the eye.

  40. Name the parts of a computer.

  41. V. Answer any five questions
    5x 5 = 25
  42. Explain thermal expansion with suitable examples.

  43. Write short notes on conductors and insulators.

  44. When a candle is lit the following changes are observed.
    a. Wax melts.
    b. Candle keeps burning.
    c. The size of the candle decreases.
    d. The molten wax solidifies
    e. Which of the changes can be reversed? Justify your answer.

  45. How do plants and animals maintain the balance of oxygen and carbon-dioxide in air?

  46. Draw a neat labelled diagram of a prokaryotic cell.

  47. Why is the heart divided into two halves by a thick muscular wall?

  48. Why do we hiccup and cough sometimes when we swallow food?

*****************************************

Reviews & Comments about 6th science 2nd Term SA Model Question

Write your Comment