5th Grade- Plant Unit

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  • 1/30 Questions

    The green chemical found in many plants is __________________.

    • Bacterium
    • Fungus
    • Chlorophyll
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5th Grade- Plant Unit - Quiz
About This Quiz

This '5th grade- Plant Unit' quiz assesses knowledge on plant physiology, focusing on key components like chlorophyll, xylem, and phloem. Students learn about root structures, transpiration, and the epidermis, enhancing their understanding of how plants function and interact with their environment.

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  • 2. 

    A _____________ protects the root tip as it grows into the soil.

    • Root cap

    • Compound

    • Epidermis

    Correct Answer
    A. Root cap
    Explanation
    The root cap is a protective structure that covers the tip of the root as it grows into the soil. It acts as a shield, preventing damage to the delicate cells of the root tip and allowing the root to push through the soil easily. The root cap also secretes a lubricating substance that helps the root navigate through the soil particles. Therefore, the root cap is the correct answer as it specifically fulfills the role of protecting the root tip during growth.

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  • 3. 

    The transfer of pollen from the anther to the stigma is called _________________.

    • Pollination

    • Fertilization

    • Photosynthesis

    Correct Answer
    A. Pollination
    Explanation
    Pollination refers to the transfer of pollen from the anther (male reproductive organ) to the stigma (female reproductive organ) of a flower. This process is essential for the fertilization of plants, as it allows the male gametes (contained in the pollen) to reach the female gametes (located in the ovary) and initiate the formation of seeds. Pollination can occur through various means, such as wind, water, or animal pollinators like bees or birds. Therefore, pollination is the correct answer to the question.

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  • 4. 

    The food-making process of plants is called ________________.

    Correct Answer
    photosynthesis
    Explanation
    Photosynthesis is the correct answer because it is the process by which plants convert sunlight, carbon dioxide, and water into glucose and oxygen. During photosynthesis, plants use chlorophyll in their leaves to capture sunlight energy, which is then used to convert carbon dioxide and water into glucose. This process is essential for plants to produce their own food and release oxygen into the atmosphere.

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  • 5. 
    Letter A represents which part of the flower? - ProProfs

    Letter A represents which part of the flower?

    • Anther

    • Pistil

    • Sepals

    Correct Answer
    A. Anther
    Explanation
    The correct answer is anther. The anther is a part of the flower's reproductive system and is responsible for producing and releasing pollen. It is typically located at the top of the stamen, which is the male reproductive organ of the flower.

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  • 6. 

    When a male sex cell and a female sex cell join together, __________________ takes place.

    • Transpiration

    • Respiration

    • Fertilization

    Correct Answer
    A. Fertilization
    Explanation
    When a male sex cell (sperm) and a female sex cell (egg) join together, fertilization takes place. Fertilization is the process by which the genetic material from the sperm combines with the genetic material from the egg to form a new individual with a unique set of genes. This process is essential for sexual reproduction in most organisms, including humans.

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  • 7. 
    Letter B repsents which part of the flower? - ProProfs

    Letter B repsents which part of the flower?

    • Pistil

    • Stigma

    • Anther

    Correct Answer
    A. Stigma
    Explanation
    The correct answer is stigma. The question is asking which part of the flower is represented by letter B. The options provided are pistil, stigma, and anther. Among these options, the stigma is the correct answer. The stigma is the receptive surface of the pistil, which is the female reproductive part of the flower. It is responsible for receiving pollen during pollination.

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  • 8. 

    A _______________ is an immature plant inside a seed.

    • Fruit

    • Embryo

    • Ovary

    Correct Answer
    A. Embryo
    Explanation
    An embryo is the correct answer because it is the immature plant inside a seed. The embryo is the early stage of development for a plant, and it contains all the necessary structures and genetic information to grow into a mature plant. It is protected and nourished by the seed until it germinates and begins to grow. The fruit is the mature ovary of a flowering plant that contains seeds, but it does not refer specifically to the immature plant inside the seed. The ovary is the part of the flower that contains the ovules, which develop into seeds after fertilization, but it is not the immature plant itself.

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  • 9. 

    A mature ripened ovary of a plant is called the __________________.

    Correct Answer
    fruit
    Explanation
    A mature ripened ovary of a plant is commonly referred to as a fruit. This is because after fertilization, the ovary develops into a fruit that contains seeds. Fruits are typically consumed by animals or humans due to their sweet or savory taste and are an important part of the plant's reproductive process as they aid in seed dispersal.

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  • 10. 

    The last step in feritlization is the sperm travels down the pollen tube and fertilizes the egg. True or False?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    During fertilization in plants, the pollen tube acts as a conduit for the sperm to reach the egg. The sperm travels down the pollen tube and ultimately fertilizes the egg, leading to the formation of a zygote. Therefore, the statement is true.

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  • 11. 
    Letter C repsents which part of the flower? - ProProfs

    Letter C repsents which part of the flower?

    • Sepals

    • Ovary

    • Filament

    Correct Answer
    A. Filament
    Explanation
    The filament is the part of the flower that represents letter C. It is a slender, thread-like structure that holds up the anther, which is responsible for producing and releasing pollen. The filament is located in the center of the flower, attached to the base of the petals. Its main function is to support the anther and ensure that it is exposed to the surrounding environment for effective pollination.

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  • 12. 

    The ovary in a flower is found at the base of the pistil. True or False?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The ovary in a flower is indeed found at the base of the pistil. The pistil is the female reproductive organ of a flower, and it is composed of three parts: the stigma, the style, and the ovary. The ovary is located at the bottom of the pistil and contains the ovules, which develop into seeds after fertilization. Therefore, the statement "The ovary in a flower is found at the base of the pistil" is true.

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  • 13. 

    A tiny leaflike structure inside a seed is a ______________.

    • Conifer

    • Seed

    • Cotyledon

    Correct Answer
    A. Cotyledon
    Explanation
    A cotyledon is a tiny leaflike structure inside a seed. It is responsible for providing nutrients to the developing embryo during germination. This structure eventually develops into the first leaves of the plant.

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  • 14. 

    Seed plants that do not produce flowers are called ___________________.

    • Gymnosperms

    • Angiosperms

    • Parasites

    Correct Answer
    A. Gymnosperms
    Explanation
    Gymnosperms are seed plants that do not produce flowers. They are characterized by having naked seeds, meaning the seeds are not enclosed within a fruit or ovary. Instead, they are usually found on the surface of cones or scales. Examples of gymnosperms include conifers, cycads, and ginkgo trees. This distinguishes them from angiosperms, which are seed plants that do produce flowers and have seeds enclosed within fruits. Parasites, on the other hand, are organisms that live off another organism, usually harming it in the process, and are not directly related to the classification of seed plants.

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  • 15. 
    The letter F represents which part of the flower? - ProProfs

    The letter F represents which part of the flower?

    • Stamen

    • Filament

    • Petals

    Correct Answer
    A. Petals
    Explanation
    The letter F represents the petals of the flower. Petals are the colorful, leaf-like structures that surround the reproductive parts of the flower. They are often brightly colored to attract pollinators such as bees and butterflies.

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  • 16. 

    Once the pollen has landed on the sticky stigma of a pistil, a pollen tube starts to grow. This statement is the first step in fertilization. True or False?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    After pollen lands on the sticky stigma of a pistil, a pollen tube begins to grow. This is the first step in fertilization. The pollen tube allows the sperm cells to travel down to the ovary where they can fertilize the egg cells. Therefore, the statement is true.

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  • 17. 

    Water and minerals flow up from the roots through the ____________.

    • Phloem

    • Xylem

    • Cambium

    Correct Answer
    A. Xylem
    Explanation
    The correct answer is xylem. The xylem is responsible for transporting water and minerals from the roots to the rest of the plant. It consists of specialized cells that form a network of tubes, allowing for the upward movement of water and nutrients. The phloem, on the other hand, transports sugars and other organic compounds from the leaves to other parts of the plant. The cambium is a layer of cells that is responsible for the growth in diameter of the plant.

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  • 18. 
    Letter D repsents which part of the flower? - ProProfs

    Letter D repsents which part of the flower?

    • Style

    • Ovary

    • Stamen

    Correct Answer
    A. Style
    Explanation
    The letter D represents the style of the flower. The style is a long, slender stalk that connects the stigma to the ovary. It plays a crucial role in the process of pollination, as it allows pollen to travel from the stigma to the ovary. The style is an important part of the female reproductive organs in a flower, helping in the successful fertilization and development of seeds.

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  • 19. 

    Angiosperms whose seeds contain two cotyledons are called ____________.

    • Monocot

    • Conifer

    • Dictot

    Correct Answer
    A. Dictot
    Explanation
    Angiosperms whose seeds contain two cotyledons are called dicots. Dicots are a group of flowering plants that have two embryonic leaves, or cotyledons, in their seeds. This is in contrast to monocots, which have only one cotyledon. Dicots are characterized by various features such as net-like veins in their leaves, flower parts in multiples of four or five, and a taproot system. They include a wide range of plants such as roses, sunflowers, beans, and oak trees.

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  • 20. 

    The process of ______________ occurs when water vapor evaporates from the leaves, and more water moves up through the plant to replace the lost water.

    • Respiration

    • Photosynthesis

    • Transpiration

    Correct Answer
    A. Transpiration
    Explanation
    Transpiration is the correct answer because it refers to the process in which water vapor evaporates from the leaves of a plant and is replaced by more water moving up through the plant. This process is essential for the plant's survival as it helps in the transportation of nutrients and minerals from the roots to other parts of the plant.

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  • 21. 

    The outermost layer of a root, stem, or leaf is called ______________________________.

    • Cortex

    • Epidermis

    • Cambium

    Correct Answer
    A. Epidermis
    Explanation
    The outermost layer of a root, stem, or leaf is called the epidermis. The epidermis serves as a protective barrier for the underlying tissues and helps to prevent water loss through its cuticle. It also contains specialized cells such as stomata, which regulate gas exchange, and trichomes, which can provide additional protection or aid in absorption. The cortex, on the other hand, is located beneath the epidermis and is responsible for storage and support. The cambium is a layer of cells that is responsible for the growth of new vascular tissue.

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  • 22. 
    Letter E repsents which part of the flower? - ProProfs

    Letter E repsents which part of the flower?

    • Style

    • Ovary

    • Pistil

    Correct Answer
    A. Pistil
    Explanation
    The letter E represents the pistil of the flower. The pistil is the female reproductive organ of the flower, consisting of three main parts: the stigma, style, and ovary. The stigma is the sticky surface where pollen is received, the style is the slender tube that connects the stigma to the ovary, and the ovary contains the ovules, which develop into seeds after fertilization. Therefore, the correct answer is pistil.

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  • 23. 

    Food flows down through the ________________ of the root.

    • Phloem

    • Xylem

    • Cortex

    Correct Answer
    A. Phloem
    Explanation
    The correct answer is phloem because phloem is the tissue responsible for transporting food (sugar) from the leaves to the rest of the plant, including the roots. This tissue is made up of sieve tube elements and companion cells, which form a network of tubes that allow for the movement of sugars and other nutrients throughout the plant. Xylem, on the other hand, is responsible for transporting water and minerals from the roots to the rest of the plant. Cortex is the outermost layer of the root that provides support and protection.

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  • 24. 

    The production of spores is a form of ___________________ reproduction

    • Sexual Reproduction

    • Asexual Reproduction

    • Vascular Reproduction

    Correct Answer
    A. Asexual Reproduction
    Explanation
    The production of spores is a form of asexual reproduction because spores are produced through mitosis, which is a type of cell division that results in two daughter cells with the same genetic information as the parent cell. In asexual reproduction, offspring are produced without the involvement of gametes or the fusion of genetic material from two parents. Spores can develop into new individuals without the need for fertilization or the combination of genetic material from two different individuals.

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  • 25. 

    Grains of pollen are found in the ____________ of a flower.

    • Pistil

    • Stamen

    • Anther

    Correct Answer
    A. Anther
    Explanation
    The correct answer is "anther" because the anther is the part of the flower where pollen grains are produced and stored. It is located at the top of the stamen, which is the male reproductive organ of the flower. The anther contains pollen sacs, which release the pollen grains that are then transferred to the pistil for pollination.

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  • 26. 

    The ____________ is a layer in a root that separates the xylem from the phloem.

    • Cortex

    • Epidermis

    • Cambium

    Correct Answer
    A. Cambium
    Explanation
    The cambium is a layer in a root that separates the xylem from the phloem. The cambium is responsible for producing new cells that differentiate into xylem and phloem tissues. It is located between the xylem and phloem, acting as a dividing layer and allowing for the growth and expansion of the root. The cortex is the outermost layer of the root, while the epidermis is the outermost layer of cells that protect the root.

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  • 27. 
     In the moss cycle letter A would represent which label? - ProProfs

     In the moss cycle letter A would represent which label?

    Correct Answer
    new moss plant
    Explanation
    In the moss cycle, letter A would represent the stage of the new moss plant.

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  • 28. 

    The leaves of a fern are called __________________.

    • Rhizoids

    • Mosses

    • Frond

    Correct Answer
    A. Frond
    Explanation
    The correct answer is "frond" because frond is the term used to describe the leaves of a fern. The fronds of a fern are typically large, divided, and feathery in appearance. They are responsible for photosynthesis and play a crucial role in the fern's reproduction.

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  • 29. 

    The last step in feritlization is that the pollen tube grows from the pollen grain down the style. It grows into the ovary until it reaches an egg cell. True or False?

    • True

    • False

    Correct Answer
    A. False
    Explanation
    False. The last step in fertilization is not the growth of the pollen tube from the pollen grain down the style. The correct sequence of events in fertilization is the pollen grain landing on the stigma, the pollen tube growing down the style, and then reaching the ovary to fertilize the egg cell.

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  • 30. 
    The letter A represents which part of the fern life cycle? - ProProfs

    The letter A represents which part of the fern life cycle?

    Correct Answer
    heart-shaped plant
    Explanation
    The letter A represents the heart-shaped plant in the fern life cycle. This stage is known as the gametophyte stage, where the plant produces gametes (sex cells) for reproduction. The heart-shaped plant is the mature form of the gametophyte, which produces both male and female reproductive structures. These structures eventually fuse to form a new fern plant in the next stage of the life cycle, known as the sporophyte stage.

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  • Current Version
  • Nov 19, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • May 18, 2011
    Quiz Created by
    Kmielke
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