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Important Question Part-I

6th Standard

    Reg.No. :
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Science

Time : 03:00:00 Hrs
Total Marks : 200

    Section - I

    36 x 1 = 36
  1. Choose the correct one

    (a)

    km > mm > cm > m

    (b)

    km> mm > cm > km

    (c)

    km > m > cm > mm

    (d)

    km > cm > m > mm

  2. Five kilometre is equal to_____________

    (a)

    500 cm

    (b)

    500 m

    (c)

    5000 m

    (d)

    5000 cm

  3. Volume of solid is_________

    (a)

    m2

    (b)

    m

    (c)

    m3

    (d)

    none

  4. Unit of speed is__________

    (a)

    m

    (b)

    s

    (c)

    kg

    (d)

    m/s

  5. People walking in a crowded street is example of_________motion

    (a)

    linear

    (b)

    circular

    (c)

    rotatory

    (d)

    zigzag

  6. Usain Bolt crossed 100 metre in____________seconds and made a world record

    (a)

    9.58

    (b)

    9.83

    (c)

    9.85

    (d)

    9.38

  7. A cheetah running with an average speed of_____________

    (a)

    112 kmIh

    (b)

    121 km/h

    (c)

    211 km/h

    (d)

    122 km/h

  8. Lighter impurities like dust, when mixed with rice or pulses, can be removed by __________

    (a)

    filtration

    (b)

    sedimentation

    (c)

    decantation

    (d)

    winnowing

  9. Very tiny insoluble solid separated from a liquid is__________

    (a)

    Winnowing

    (b)

    Churning

    (c)

    Sieving

    (d)

    Filtration

  10. __________is a smallest particle

    (a)

    Molecule

    (b)

    Element

    (c)

    Atom

    (d)

    Substance

  11. The important function of stomata is _____________.

    (a)

    Conduction

    (b)

    Transpiration

    (c)

    Photosynthesis

    (d)

    Absorption

  12. ___________ is a natural science concerned with study of life and living organisms.

    (a)

    Chemistry

    (b)

    Biology

    (c)

    Zoology

    (d)

    Physics

  13. Main axis of the shoot system is called____________.

    (a)

    stem

    (b)

    root

    (c)

    Leaf

    (d)

    buds

  14. The first land plants are____________

    (a)

    Neem tree

    (b)

    hibiscus'

    (c)

    banyan tree

    (d)

    mosses and liver worts

  15. The study of living things or organisms is called

    (a)

    Psychology

    (b)

    Biology

    (c)

    Zoology

    (d)

    Botany

  16. Lizards are walk with four legs and is known as

    (a)

    Bipedal

    (b)

    Tripedal

    (c)

    Monopedal

    (d)

    quadripedal

  17. Camel passes___________amount of urine.

    (a)

    small

    (b)

    large

    (c)

    moderate

    (d)

    too large

  18. Bacteria are very small _________ microorganism.

    (a)

    Prokaryotic

    (b)

    Eukaryotic

    (c)

    Protozoa

    (d)

    Acellular

  19. Among the Vitamins which one is the water soluble Vitamin

    (a)

    Vitamin A

    (b)

    Vitamin B

    (c)

    Vitamin D

    (d)

    Vitamin E

  20. 80% of the world production of Moringa leaves is___________

    (a)

    China

    (b)

    Germany

    (c)

    India

    (d)

    Canada

  21. Who is the father of computer?

    (a)

    Martin Luther King

    (b)

    Graham Bell

    (c)

    Charlie Chaplin

    (d)

    Charles Babbage

  22. Who is the computer’s first programmer?

    (a)

    Lady Wellington

    (b)

    Augusta ado Lovelace

    (c)

    Mary Curie

    (d)

    Mary Comb

  23. The unit of heat is

    (a)

    newton

    (b)

    joule

    (c)

    volt

    (d)

    celsius

  24. The device which converts chemical energy into electrical energy is

    (a)

    fan

    (b)

    solar cell

    (c)

    cell

    (d)

    television

  25. Electricity is produced in

    (a)

    transformer

    (b)

    power station

    (c)

    electric wire

    (d)

    television

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

    (a)

    Chemical change

    (b)

    Undesirable change

    (c)

    irreversible change

    (d)

    physical change

  27. Formation of curd from milk is

    (a)

    a reversible change

    (b)

    a fast change

    (c)

    an irreversible change

    (d)

    an undesirable change

  28. Air pollution leading to Acid rain is a

    (a)

    reversible change

    (b)

    fast change

    (c)

    natural change

    (d)

    human made change

  29. Gas exchange takes place in plants using __________

    (a)

    Stomata

    (b)

    Chlorophyll

    (c)

    Leaves

    (d)

    Flowers

  30. 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

  31. A ‘control centre’ of the eukaryotic cell is

    (a)

    Cell wall

    (b)

    Nucleus

    (c)

    Vacuoles

    (d)

    Chloroplast

  32. Which one of the following is not an unicellular organism?

    (a)

    Yeast

    (b)

    Amoeba

    (c)

    Spirogyra

    (d)

    Bacteria

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

    (a)

    Cell wall

    (b)

    cytoplasm

    (c)

    nucleus

    (d)

    Vacuole

  34. Breakdown of food into smaller molecules in our body is known as

    (a)

    Muscle contraction

    (b)

    Respiration

    (c)

    Digestion

    (d)

    Excretion

  35. Name the cable that connects CPU to the Monitor

    (a)

    Ethernet

    (b)

    Power Cord

    (c)

    HDMI

    (d)

    USB

  36. Which one of the following is an input device?

    (a)

    Speaker

    (b)

    Keyboard

    (c)

    Monitor

    (d)

    Printer

  37. Section - II

    23 x 2 = 46
  38. Arrange in increasing order of unit
    1 Metre, 1 centimetre, 1 kilometre, and 1 millimetre.

  39. Define the term matter.

  40. Give an example for mixture and justify your answer with reason.

  41. Identify the desert plants from the following - Cactus, Hydrilla, Mango and Rose.

  42. Relate the terms leaves and photosynthesis.

  43. Name the locomotory organs of an Amoeba.

  44. Write two examples for each of the following.
    a) Food items rich in fat.
    b) Vitamin deficiency diseases.

  45. Write any two viral diseases

  46. Write a short note on Data.

  47. Differentiate Hardware and Software.

  48. Make a list of electrical equipments at home which we get heat from.

  49. In the given circuit diagram, which of the given switch(s) should be closed. So that only the bulb A glows.

  50. 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.

  51. What kind of a change is associated with decaying of a plants?

  52. Define a slow change.

  53. What happens when cane sugar is strongly heated? Mention any two changes in it.


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

  55. What should be done if the clothes of a person catch fire accidentally? Why?

  56. What type of cells do we have?

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

  58. Give any three examples of eukaryotic cell?

  59. What are the three types of blood vessels?

  60. Write any two functions of digestive system.

  61. Section - III

    10 x 3 = 30
  62. A vehicle covers a distance of 400km in 5 hours. Calculate its average speed.

  63. What method will you employ to separate cheese (paneer) from milk? Explain.

  64. Distinguish between terrestrial and aquatic habitats.

  65. Differentiate between Unicellular and Multicellular organisms.

  66. Distinguish between heat and temperature.

  67. Draw the circuit diagram for series connection.

  68. Can deforestation be considered a desirable change? Explain.

  69. Why do traffic assistants wear a mask on duty?

  70. Write about the contribution of Robert Hooke in cell biology.

  71. Differentiate between the voluntary muscles and involuntary muscles.

  72. Section - IV

    13 x 5 = 65
  73. Fill up the following chart.

    Property Definition Basic unit Instrument used for measuring
    Length      
    Mass      
    Volume      
    Time      
  74. What is motion? Classify different types of motion with examples.

  75. Fill with examples:

  76. Distinguish between properties of Solid, liquid, gas. Draw suitable diagram

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

  78. Tabulate the vitamins and their corresponding deficiency diseases.

  79. Explain in detail the Applications of computer.

  80. When a window is accidentally left open on a winter night, will you feel uncomfortable because the cold is getting in, or because the heat is escaping from the room?

  81. Tabulate the different components of an electric circuit and their respective symbols.

  82. 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.

  83. Why is atmosphere essential for life on earth?

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

  85. List out the functions of Endocrine system and Nervous system.

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