Life Science Review Quiz #1

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Francoiannucci
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Quizzes Created: 1 | Total Attempts: 111
Questions: 10 | Attempts: 111

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Life Science Review Quiz #1 - Quiz


Questions and Answers
  • 1. 

    In a plant cell, where does photosynthesis take place?

    • A.

      Nucleus

    • B.

      Cell Wall

    • C.

      Chloroplast

    • D.

      Vacuole

    Correct Answer
    C. Chloroplast
    Explanation
    Photosynthesis is the process by which plants convert sunlight into energy. It occurs in the chloroplasts of plant cells. Chloroplasts contain chlorophyll, a pigment that absorbs sunlight, and other necessary components for photosynthesis. The chloroplasts are responsible for capturing light energy and using it to convert carbon dioxide and water into glucose and oxygen. The nucleus is the control center of the cell, the cell wall provides structural support, and the vacuole stores water and other substances, but they do not directly participate in photosynthesis.

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  • 2. 

    What part of the microscope hold a slide in place?

    • A.

      Diaphram

    • B.

      Ocular lens

    • C.

      Stage Clips

    • D.

      Fine Adjustment Knob

    Correct Answer
    C. Stage Clips
    Explanation
    Stage clips are the part of the microscope that holds a slide in place. They are usually located on the stage of the microscope and are used to secure the slide so that it does not move or shift during observation. By tightening the stage clips, the slide remains in a fixed position, allowing for accurate and steady viewing under the microscope.

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  • 3. 

    What is the process by which water crosses a cell membrane?

    • A.

      Mitosis

    • B.

      Osmosis

    • C.

      Cytosis

    • D.

      Diffusion

    Correct Answer
    B. Osmosis
    Explanation
    Osmosis is the process by which water molecules move across a cell membrane from an area of lower solute concentration to an area of higher solute concentration. This movement occurs through specialized channels called aquaporins. Osmosis is a passive process that does not require energy expenditure by the cell. It is important for maintaining the balance of water and solutes within cells and is crucial for various biological processes such as nutrient uptake and waste removal.

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  • 4. 

    What is a protist?

    • A.

      Unicellular Organism such as a bacteria

    • B.

      Multicellular Organism such as a Fungi

    • C.

      Unicellular Organism such as a paramecium

    • D.

      Multicellular Organism such as a Hydra

    Correct Answer
    C. Unicellular Organism such as a paramecium
    Explanation
    A protist is a type of organism that can be unicellular or multicellular. It is not a bacteria or a fungus, as those belong to different kingdoms. A paramecium is an example of a protist that is unicellular. Therefore, the correct answer is "Unicellular Organism such as a paramecium."

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  • 5. 

    Which of the following belongs in the Fungi Kingdom?

    • A.

      Sponge

    • B.

      Bacteria

    • C.

      Mushroom

    • D.

      Horse

    Correct Answer
    C. Mushroom
    Explanation
    Mushroom belongs in the Fungi Kingdom because fungi are a diverse group of organisms that include mushrooms, yeasts, molds, and more. Fungi are characterized by their ability to absorb nutrients from their surroundings, rather than producing their own food through photosynthesis like plants. Mushrooms are the fruiting bodies of certain types of fungi, and they play a crucial role in the reproduction and dispersal of fungal spores.

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  • 6. 

    What part of the cell stores water?

    • A.

      Cell Wall

    • B.

      Choloroplast

    • C.

      Vacuole

    • D.

      Nucleus

    Correct Answer
    C. Vacuole
    Explanation
    The vacuole is responsible for storing water in the cell. It is a membrane-bound organelle that holds various substances, including water, ions, and nutrients. The vacuole helps maintain the cell's shape and turgor pressure, and also plays a role in storing waste products and maintaining homeostasis within the cell.

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  • 7. 

    What part of the flower produces pollen?

    • A.

      Pistil

    • B.

      Stamen

    • C.

      Stigma

    • D.

      Style

    Correct Answer
    B. Stamen
    Explanation
    The stamen is the male reproductive organ of a flower and is responsible for producing pollen. It consists of two main parts: the anther and the filament. The anther contains the pollen sacs where pollen grains are produced. These pollen grains are then released and can be transferred to the female reproductive organs of another flower, allowing for fertilization and the production of seeds.

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  • 8. 

    What part of the plant absorbs light energy?

    • A.

      Roots

    • B.

      Flower

    • C.

      Stomata

    • D.

      Leaves

    Correct Answer
    D. Leaves
    Explanation
    Leaves are the part of the plant that absorbs light energy. This is because leaves contain a pigment called chlorophyll, which is responsible for capturing sunlight and converting it into chemical energy through the process of photosynthesis. The chlorophyll molecules are located in specialized structures called chloroplasts, which are abundant in the cells of leaves. Therefore, leaves are the main site for photosynthesis and the absorption of light energy in plants.

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  • 9. 

    Which type of animals has constant body temperature?

    • A.

      Cold Blooded

    • B.

      Warm Blooded

    • C.

      Freezing

    • D.

      Melting

    Correct Answer
    B. Warm Blooded
    Explanation
    Warm-blooded animals have a constant body temperature, which means that their internal body temperature remains relatively stable regardless of the external temperature. This is achieved through various mechanisms such as metabolic heat production, insulation, and regulation of blood flow. Warm-blooded animals are able to maintain a stable body temperature even in cold environments, allowing them to be active and function optimally. Examples of warm-blooded animals include mammals and birds.

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  • 10. 

    What is an omnivore?

    • A.

      Eats only plants

    • B.

      Eats only animals

    • C.

      Eats plants and animals

    • D.

      Eats dead organims

    Correct Answer
    C. Eats plants and animals
    Explanation
    An omnivore is a type of organism that consumes both plants and animals as part of its diet. This means that it has the ability to obtain nutrients from both plant-based and animal-based sources. Unlike herbivores, which only eat plants, and carnivores, which only eat animals, omnivores have a more diverse diet that includes both plant and animal matter. This adaptability allows omnivores to thrive in a wider range of environments and obtain a variety of nutrients from different sources.

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