Science 4 - Pollination

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Science 4 - Pollination - Quiz

Very challenging!


Questions and Answers
  • 1. 

    It is a process by which pollen is transfered in plants.

    • A. 

      Pollination

    • B. 

      Pollen grains

    • C. 

      Style

    • D. 

      Stamina

    Correct Answer
    A. Pollination
    Explanation
    Pollination is the process by which pollen is transferred in plants. It is essential for plant reproduction as it allows for the transfer of male gametes (pollen grains) from the stamen (male reproductive organ) to the stigma (part of the female reproductive organ). This transfer can occur through various means, such as wind, water, or by the help of animals like bees, butterflies, or birds. Pollination plays a crucial role in fertilization and the production of seeds and fruits in plants.

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  • 2. 

    Male part of a flower.

    • A. 

      Stamen

    • B. 

      Stigma

    • C. 

      Pollen

    • D. 

      Pistil

    Correct Answer
    A. Stamen
    Explanation
    The male part of a flower is called the stamen. It is responsible for producing and releasing pollen, which is necessary for the fertilization of the flower. The stamen consists of two main parts, the filament and the anther. The filament is a long, thin structure that supports the anther, where the pollen is produced. The stamen plays a crucial role in the reproductive process of flowering plants by producing and dispersing pollen.

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  • 3. 

    Female part of a flower.

    • A. 

      Stamen

    • B. 

      Stigma

    • C. 

      Pollen

    • D. 

      Pistil

    Correct Answer
    B. Stigma
    Explanation
    The stigma is the correct answer because it is the female part of a flower. It is located at the top of the pistil, which is the female reproductive organ of a flower. The stigma is sticky and receives pollen during pollination, allowing for fertilization to occur.

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  • 4. 

    Stamen produced sticky powder called _____.

    • A. 

      Pollen

    • B. 

      Style

    • C. 

      Pistil

    • D. 

      Ovule

    Correct Answer
    A. Pollen
    Explanation
    Stamen is the male reproductive organ of a flower, which produces pollen. Pollen is a fine, powdery substance that contains the male gametes of a plant. It is usually sticky in nature and is responsible for fertilizing the female reproductive organs of the flower. Therefore, the correct answer is pollen.

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  • 5. 

    The top of the pistil is called _____.

    • A. 

      Pollen

    • B. 

      Pistil

    • C. 

      Stigma

    • D. 

      Style

    Correct Answer
    C. Stigma
    Explanation
    The top of the pistil is called the stigma. The stigma is a sticky surface that receives pollen during pollination. It plays a crucial role in the reproduction of flowering plants by capturing and holding onto pollen grains, allowing for fertilization to occur.

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