A Quick Plant Biology Quiz!

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A Quick Plant Biology Quiz! - Quiz

Welcome to a quick plant bilology quiz. In this quiz on Science Chapter Two- Form 1, we’ll be putting your knowledge to the test on a number of things related to the topic of Biology. Namely, we’ll be talking about cells, the types of organisms in which particular cell patterns appear, and how you may view cells under a microscope.


Questions and Answers
  • 1. 

    Choose two of the following that is found only in plant cell.

    • A.

      Vacoule

    • B.

      Nucleus

    • C.

      Cytoplasm

    • D.

      Chloroplast

    Correct Answer(s)
    A. Vacoule
    D. Chloroplast
    Explanation
    Nuclues and cytoplasm is found in both cells whereas chloroplast is for enabling photosentisis in plant and vacoule for salt and sugar storage in the plant.

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  • 2. 

    A ____________is the necessity for the plant cell to have a fixed shape.        

    Correct Answer(s)
    cell wall
    Explanation
    The cell wall is necessary for the plant cell to have a fixed shape. The cell wall is a rigid structure that surrounds the cell membrane and provides support and protection to the cell. It helps to maintain the shape of the cell and prevents it from collapsing or becoming distorted. Without a cell wall, the plant cell would be unable to maintain its shape and would be more susceptible to damage.

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  • 3. 

    A __________ is used to focus the image of the specimen sharply.

    • A.

      Coarse focus knob

    • B.

      Fine focus knob

    • C.

      Arm

    • D.

      Eyepiece

    Correct Answer
    B. Fine focus knob
    Explanation
    The fine focus knob is used to focus the image of the specimen sharply. This knob allows for precise adjustments to the focus, allowing the user to bring the specimen into clear view. The coarse focus knob, on the other hand, is used for initial focusing and larger adjustments. The arm is a part of the microscope that supports the body tube and stage, while the eyepiece is the lens through which the user looks to observe the specimen.

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  • 4. 

    Choose those who are multicellular organisms.

    • A.

      Hydra

    • B.

      Cat

    • C.

      Euglena

    • D.

      Human

    • E.

      Yeast

    Correct Answer(s)
    A. Hydra
    B. Cat
    D. Human
    Explanation
    The correct answer includes Hydra, Cat, and Human because they are all multicellular organisms. Multicellular organisms are composed of multiple cells that work together to form tissues, organs, and organ systems. Hydra is a simple multicellular organism belonging to the phylum Cnidaria. Cats and humans are both complex multicellular organisms belonging to the animal kingdom. They have specialized cells, tissues, and organ systems that enable them to carry out various functions necessary for survival. Euglena and Yeast, on the other hand, are unicellular organisms and do not fit the criteria of being multicellular.

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  • 5. 

    Minerals absorbed by root move to the leaf through?

    • A.

      Xylem

    • B.

      Phloem

    • C.

      Sieve tubes

    • D.

      None of the above

    Correct Answer
    A. Xylem
    Explanation
    The xylem is the vascular tissue responsible for transporting water and minerals from the roots to the leaves in plants. It consists of a series of interconnected tubes that form a network throughout the plant. The movement of water and minerals in the xylem is driven by transpiration, which is the process of water loss from the leaves. Therefore, the correct answer is xylem as it is the pathway through which minerals absorbed by the roots are transported to the leaves.

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  • 6. 

    Greatest producers of organic matter are:

    • A.

      Crop Plants

    • B.

      Forests

    • C.

      Plants of the land

    • D.

      Phytoplankton of oceans.

    Correct Answer
    D. Phytoplankton of oceans.
    Explanation
    Phytoplankton of oceans are the greatest producers of organic matter because they are microscopic plants that perform photosynthesis in large quantities. They are found in abundance in the oceans and are responsible for producing a significant amount of oxygen and organic compounds through photosynthesis. This makes them a crucial component of the marine food chain and a major contributor to the overall production of organic matter in the world's ecosystems.

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  • 7. 

     Twining of tendrils is due to:

    • A.

      Thigmotropism

    • B.

      Seismonasty

    • C.

      Heliotropism

    • D.

      Diageotropism

    Correct Answer
    A. Thigmotropism
    Explanation
    The tropic movement in response to the stimulus of contact is thigmotropism e.g. coiling of tendrils , haustoria in Cuscuta.

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  • 8. 

     Which of the following is used to determine the rate of transpiration in plants?

    • A.

      Auxanometer

    • B.

      Poromeer/hygrometer

    • C.

      Potometers

    • D.

      Tensiometer/barometer

    Correct Answer
    C. Potometers
    Explanation
    Potometers are used to determine the rate of transpiration in plants. A potometer is a device that measures the rate of water uptake by a plant. It consists of a glass tube attached to the stem of a plant, with a graduated scale to measure the movement of water. As water is transpired through the leaves, it creates a negative pressure or tension in the plant, which causes water to be pulled up through the stem. By measuring the movement of water in the potometer, the rate of transpiration can be determined.

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  • 9. 

    Maximum solar energy is trapped by:

    • A.

       Planting trees

    • B.

      Cultivating crops

    • C.

      Growing algae in tanks

    • D.

      Growing grasses.

    Correct Answer
    C. Growing algae in tanks
    Explanation
    Growing algae in tanks is the correct answer because algae have a high photosynthetic efficiency, meaning they can convert a large amount of sunlight into energy through photosynthesis. Algae also have a fast growth rate and can be easily cultivated in controlled environments like tanks, allowing for maximum solar energy capture. Additionally, algae can be used to produce biofuels and other valuable products, making them a sustainable and efficient option for trapping solar energy.

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  • 10. 

    Which one of the following elements is almost inessential for plants?

    • A.

      Ca

    • B.

      Na

    • C.

      Mo

    • D.

      Zn

    Correct Answer
    B. Na
    Explanation
    Zn is essential for the synthesis of tryptophan amino acid. Ca is the part of middle lamella, it stabilizes the structure of chromosomes. Mo is responsible for nodulation in legumes. It is a part of nitrate reductase enzyme which helps in nitrogen fixation.

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