Grade 4 Chapter 2 Science Vocabulary

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| Attempts: 185
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  • 1/8 Questions

    Since part of this word is the Greek word for "green", this word means that it is the substance in plants that makes them green.  

    • Graphting
    • Mineral
    • Hydrogen
    • Chlorophyll
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About This Quiz

This Grade 4 Chapter 2 Science Vocabulary quiz focuses on basic botanical concepts. Students are assessed on key terms like photosynthesis, chlorophyll, and parts of a flower, such as sepals, stamens, and pistil, alongside the process of fertilization. This quiz enhances understanding of plant biology.

Botany Quizzes & Trivia

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  • 2. 

    Small stalks surrounding the pistil are... 

    • Chlorophyll

    • Stamens

    • Egg cells

    • Flowers

    Correct Answer
    A. Stamens
    Explanation
    Stamens are the small stalks surrounding the pistil in a flower. They are the male reproductive parts of a flower and consist of the filament and anther. The anther produces pollen, which contains the sperm cells. The pollen is then transferred to the pistil for fertilization. Therefore, stamens play a crucial role in the reproduction of flowering plants.

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  • 3. 

    The pollen tube reaches the thick bottom part of the pistil called the.... 

    • Cell

    • Egg

    • Stamen

    • Ovary

    Correct Answer
    A. Ovary
    Explanation
    The pollen tube reaches the ovary, which is the thick bottom part of the pistil. The ovary contains the ovules, where the eggs are located. This is where fertilization occurs, as the pollen tube delivers the sperm cells to the eggs for fertilization to take place.

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  • 4. 

    The process where the sperm cell and egg cell combine is called... 

    • Fertilization

    • Pollination

    • Ovation

    Correct Answer
    A. Fertilization
    Explanation
    Fertilization is the correct answer because it refers to the process in which the sperm cell and egg cell combine to form a zygote. This process occurs in sexual reproduction and is essential for the creation of new organisms. Pollination, on the other hand, is the transfer of pollen from the male reproductive organ to the female reproductive organ in plants. Ovation is unrelated to the process of combining sperm and egg cells.

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  • 5. 

    The process of plants making sugar is called... 

    • Chlorophyll

    • Photosynthesis

    • Oxygenization

    • Fertilization

    Correct Answer
    A. Photosynthesis
    Explanation
    Photosynthesis is the process by which plants use sunlight, carbon dioxide, and water to produce glucose (sugar) and oxygen. It occurs in the chloroplasts of plant cells, where the pigment chlorophyll captures energy from sunlight and converts it into chemical energy. This process is essential for the survival of plants and is responsible for producing oxygen, which is vital for all living organisms.

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  • 6. 

    What are the small, green leaves below the petals?  

    • Sepals

    • Pistil

    • Stamens

    • Flower

    Correct Answer
    A. Sepals
    Explanation
    Sepals are the small, green leaves located below the petals of a flower. They are usually green in color and protect the developing flower bud. Sepals play a crucial role in protecting the flower and are often the outermost part of the flower structure.

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  • 7. 

    The small knoblike structures in the center of the flower are called... 

    • Stalk

    • Flower

    • Stamen

    • Pistil

    Correct Answer
    A. Pistil
    Explanation
    The small knoblike structures in the center of the flower are called the pistil. The pistil is the female reproductive part of the flower and is composed of the stigma, style, and ovary. It is responsible for receiving pollen and producing seeds.

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  • 8. 

    If a seed does not get what it needs to start growing, we say that it stays in a state of "rest." This is called being ... 

    • Lazy

    • Growth-producing

    • Dormant

    • Cycled

    Correct Answer
    A. Dormant
    Explanation
    When a seed does not receive the necessary conditions for growth, it enters a state of dormancy. Dormancy is a period of inactivity or rest in which the seed remains alive but does not grow. During this time, the seed conserves energy and waits for the right conditions, such as sufficient water, sunlight, and temperature, to resume its growth and development.

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  • Current Version
  • Dec 12, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 27, 2011
    Quiz Created by
    Sarawithfive
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