Science Quiz For Class 6 With Answers

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Science Quiz For Class 6 With Answers - Quiz

This is a science quiz for class 6th! Up until this class, there is much that we have been able to cover, and it is time for the pop-up quiz. The ten questions given below include different sections of the topics we covered. You have twenty minutes to finish up and remember not to copy your work. All the best!


Questions and Answers
  • 1. 

    The SI unit of speed is:

    • A.

      M/s

    • B.

      Cm/kg

    • C.

      Km/h

    • D.

      V/A

    Correct Answer
    A. M/s
    Explanation
    The SI unit of speed is meters per second (m/s). This unit represents the distance traveled in meters divided by the time taken in seconds. It is commonly used in scientific and engineering calculations to measure the rate at which an object or person is moving. The m/s unit allows for precise and consistent measurements, making it the standard unit for speed in the International System of Units (SI).

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  • 2. 

    The process by which plants make their food is called:

    • A.

      Transpiration

    • B.

      Photosynthesis

    • C.

      Translocation

    • D.

      Perspiration

    Correct Answer
    B. Photosynthesis
    Explanation
    Photosynthesis is the correct answer because it is the process by which plants convert sunlight, water, and carbon dioxide into glucose and oxygen. During photosynthesis, plants use chlorophyll in their leaves to capture sunlight energy, which is then used to convert water and carbon dioxide into glucose. This process is essential for plants to produce their own food and release oxygen into the atmosphere. Transpiration is the process of water movement through a plant, translocation refers to the movement of sugars and other nutrients within a plant, and perspiration is the process of sweating in animals.

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  • 3. 

    Plants do not breathe.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Plants do not have lungs like animals, but they do have a process called respiration. Through tiny openings called stomata, plants take in carbon dioxide and release oxygen. This process is essential for their survival, as it provides them with the energy they need to grow and carry out other metabolic activities. Therefore, the statement "Plants do not breathe" is false.

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  • 4. 

    The solar cell receives energy from...

    • A.

      Sunlight

    • B.

      Artificial light

    • C.

      Earth

    • D.

      Moon

    Correct Answer
    A. Sunlight
    Explanation
    The solar cell receives energy from sunlight. Sunlight is the primary source of energy for solar cells as they convert sunlight into electricity through the photovoltaic effect. However, solar cells can also generate electricity from artificial light sources such as incandescent or fluorescent bulbs. These artificial light sources emit photons that can be absorbed by the solar cell's semiconductor material, allowing for the generation of electricity.

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  • 5. 

    There are ... planets in our solar system.

    • A.

      7

    • B.

      8

    • C.

      9

    • D.

      11

    Correct Answer
    B. 8
    Explanation
    There are eight planets in our solar system. This is based on the traditional definition of a planet, which includes Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Pluto, which was previously considered the ninth planet, was reclassified as a dwarf planet in 2006. Therefore, the correct answer is 8.

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  • 6. 

    The moon is a:

    • A.

      Satellite

    • B.

      Plant

    • C.

      Round

    • D.

      Glowing object

    Correct Answer
    A. Satellite
    Explanation
    The moon is considered a satellite because it orbits around a larger celestial body, which in this case is the Earth. Satellites are objects that revolve around a planet or a star, and the moon fits this definition as it constantly orbits around our planet. It is not a plant, as it does not possess any characteristics of a living organism. While the moon is indeed round, this is not the primary reason for it being classified as a satellite. Lastly, it is not a glowing object, as its illumination is caused by the reflection of sunlight rather than its own light source.

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  • 7. 

    The movement of the earth on its axis is called:

    • A.

      Revolution

    • B.

      Rotation

    • C.

      Motion

    • D.

      Vibration

    Correct Answer
    B. Rotation
    Explanation
    Rotation refers to the circular movement of an object around its axis. In the context of the question, the earth rotates on its axis, causing day and night. This rotation takes approximately 24 hours to complete, resulting in the cycle of day and night. Revolution, on the other hand, refers to the earth's movement around the sun, which takes about 365.25 days to complete. Motion and vibration are not specific to the earth's movement on its axis and do not accurately describe this phenomenon.

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  • 8. 

    We can walk on the moon easily.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Walking on the moon is not easy due to the absence of gravity. The moon has only about 1/6th the gravity of Earth, which means that our bodies would feel much lighter and it would be difficult to maintain balance and stability while walking. Additionally, the moon's surface is covered in fine dust, making it slippery and challenging to walk on. Therefore, it is not accurate to say that we can walk on the moon easily.

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  • 9. 

    The collection of a million of stars is called... 

    • A.

      Galaxy

    • B.

      Constellation

    • C.

      Satellite

    • D.

      Orbit

    Correct Answer
    A. Galaxy
    Explanation
    A galaxy is a collection of a million stars, along with gas, dust, and other celestial bodies, held together by gravity. Galaxies come in various shapes and sizes and are the building blocks of the universe. They can contain billions or even trillions of stars, along with other celestial objects like planets, asteroids, and comets. The term "galaxy" is commonly used to refer to the Milky Way, the galaxy in which our solar system resides, but there are countless other galaxies in the universe.

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  • 10. 

    We can see through easily ... objects.

    • A.

      Opaque

    • B.

      Translucent

    • C.

      Transparent

    • D.

      Any 

    Correct Answer
    C. Transparent
    Explanation
    Transparent objects allow light to pass through them easily, making them see-through. This means that we can clearly see objects on the other side of transparent materials.

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