Science Quiz For Grade 3 Plants

Reviewed by Lindsey Block
Lindsey Block, PhD (Cellular & Molecular Biology) |
Lecturer | Molecular Biologist | Reproductive Scientist
Review Board Member
Lindsey, Ph.D. in cellular and molecular biology from the University of Wisconsin-Madison, specializes in Zika's impact on conception and preterm birth biomarkers. She completed courese on Advanced Cell Biology at the University of Illinois at Urbana-Champaign and Advanced Virology at University College Cork. Lindsey's accolades include three first-author papers, three fellowships, and active participation in five conference presentations. Currently associated with the University of Pennsylvania through a T32 NIH Postdoctoral Fellowship, she continues to contribute significantly to her field, combining academic rigor with practical research to advance understanding in reproductive health and prenatal care. Currently, she is a full time lecturer at Northwestern University - The Feinberg School of Medicine.
 , PhD (Cellular & Molecular Biology)
By David Schenk
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David Schenk
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  • 1/10 Questions

    Plants use energy from the ______________ to make food.

    • Moon
    • Electricity
    • Sun
    • None of these
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About This Quiz

Below is a "Science quiz for grade 3 plants" made of ultimate questions about plants! Plants and animals form the living things on planet earth, and there are a lot of benefits that animals and humans derive from plants. By taking this quiz, you stand a chance at refreshing your memory on the different parts of a plant and how humans use plans. Check it out and see what more you might learn!

Science Quiz For Grade 3 Plants - Quiz

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  • 2. 

    What are three (3) parts of a plant?

    • Stem

    • Flower

    • Rose

    • Leaf

    Correct Answer(s)
    A. Stem
    A. Flower
    A. Leaf
    Explanation
    The question asks for three parts of a plant, and the answer includes stem, flower, and leaf. These three components are indeed parts of a plant. The stem provides support and transportation of nutrients and water, the flower is the reproductive structure of the plant, and the leaf is responsible for photosynthesis and gas exchange. The inclusion of "Rose" in the answer is incorrect, as it is a specific type of flower and not a general part of all plants.

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  • 3. 

    What part of the plant is responsible for making food through the process of photosynthesis?

    • Roots

    • Stem

    • Leaves

    • Flowers

    Correct Answer
    A. Leaves
    Explanation
    The leaves of a plant are responsible for making food through a process called photosynthesis. They contain chlorophyll, a green pigment that captures sunlight, which is then used to convert carbon dioxide and water into glucose, a type of sugar that plants use for energy and growth. The roots absorb water and nutrients, the stem supports the plant, and the flowers are involved in reproduction, but it is the leaves that are the food factories of the plant.

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  • 4. 

    Plants give off ____, which animals and people breathe in.

    • Carbon dioxide

    • Nitrogen

    • Helium

    • Oxygen

    Correct Answer
    A. Oxygen
    Explanation
    Plants undergo a process called photosynthesis, where they use sunlight, water, and carbon dioxide to produce oxygen and glucose. Oxygen is released as a byproduct of this process and is essential for the survival of animals and humans as it is required for cellular respiration. Therefore, plants give off oxygen, which animals and people breathe in.

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  • 5. 

    The _____ of a plant absorbs and stores nutrients and support or anchor the plant.

    • Root

    • Leaves

    • Branches

    • None of these

    Correct Answer
    A. Root
    Explanation
    The root of a plant absorbs water and nutrients from the soil and stores them for the plant's growth and development. Additionally, the root provides support and anchors the plant in the ground, preventing it from being easily uprooted or toppled over. Therefore, the root is responsible for both nutrient absorption and support in plants.

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  • 6. 

    The ____ of plants take in carbon dioxide from the air that animals give off.

    • Branch

    • Leaf

    • Root

    • Fruit

    Correct Answer
    A. Leaf
    Explanation
    Leaves of plants have small openings called stomata that allow them to take in carbon dioxide from the air. This process is known as photosynthesis, where plants convert carbon dioxide into oxygen and glucose using sunlight. Animals, including humans, release carbon dioxide as a waste product during respiration. Therefore, leaves play a crucial role in the exchange of gases between plants and animals.

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  • 7. 

    Photosynthesis is how plants make their own ____.

    • Water

    • Food

    • Oxygen

    • All of these

    Correct Answer
    A. Food
    Explanation
    Plants use photosynthesis to convert sunlight, carbon dioxide, and water into glucose (a type of sugar) and oxygen. This glucose serves as food for the plant, providing energy for growth and development. Therefore, the correct answer is "Food."

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  • 8. 

    What three (3) plants do humans use for food?

    • Corn

    • Grass

    • Peanuts

    • Sunflowers

    Correct Answer(s)
    A. Corn
    A. Peanuts
    A. Sunflowers
    Explanation
    Corn, peanuts, and sunflowers are three plants that humans commonly use for food. Corn is a staple crop that is used in various forms, such as cornmeal, corn oil, and corn syrup. Peanuts are a legume that is consumed in many ways, including as peanut butter and oil. Sunflowers are cultivated for their seeds, which can be eaten as a snack or used in cooking and baking. These plants provide essential nutrients and are widely consumed in different cultures around the world.

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  • 9. 

    The flower is the part of the plant that grows two (2) things:

    • Nectar

    • Fruit

    • Seed

    Correct Answer(s)
    A. Fruit
    A. Seed
    Explanation
    Flowers are the reproductive structures of plants. They produce nectar to attract pollinators like bees and butterflies, which helps in the process of pollination. After successful pollination, the flower develops into a fruit, which contains seeds. The fruit serves as a protective covering for the seeds and aids in dispersal. Therefore, it can be concluded that flowers grow fruits and seeds as part of their reproductive cycle.

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  • 10. 

    List three (3) ways plants help the environment and humans?

    • Plant roots hold the soil together to prevent erosion

    • Plants provide oxygen for humans to breathe

    • Plants smell nice

    • Plants provide food

    • Plants help control air pollution

    Correct Answer(s)
    A. Plant roots hold the soil together to prevent erosion
    A. Plants provide oxygen for humans to breathe
    A. Plants help control air pollution
    Explanation
    Plants play a crucial role in protecting the environment and benefiting humans in various ways. Firstly, plant roots hold the soil together, preventing erosion and maintaining the stability of the land. This helps to prevent soil degradation and the loss of fertile soil. Secondly, plants are responsible for producing oxygen through the process of photosynthesis, which is essential for humans and other living organisms to breathe. Lastly, while not mentioned in the question, plants also provide food for humans, contributing to our sustenance and nutrition.

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Lindsey Block |PhD (Cellular & Molecular Biology) |
Lecturer | Molecular Biologist | Reproductive Scientist
Lindsey, Ph.D. in cellular and molecular biology from the University of Wisconsin-Madison, specializes in Zika's impact on conception and preterm birth biomarkers. She completed courese on Advanced Cell Biology at the University of Illinois at Urbana-Champaign and Advanced Virology at University College Cork. Lindsey's accolades include three first-author papers, three fellowships, and active participation in five conference presentations. Currently associated with the University of Pennsylvania through a T32 NIH Postdoctoral Fellowship, she continues to contribute significantly to her field, combining academic rigor with practical research to advance understanding in reproductive health and prenatal care. Currently, she is a full time lecturer at Northwestern University - The Feinberg School of Medicine.

Quiz Review Timeline (Updated): Nov 11, 2024 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Nov 11, 2024
    Quiz Edited by
    ProProfs Editorial Team

    Expert Reviewed by
    Lindsey Block
  • Oct 22, 2011
    Quiz Created by
    David Schenk
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