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NCSCOS Grade 6 Life Science - 6.L.1- Diagnostic Plants

Quiz by NCDPI

Grade 6
North Carolina Standard Course of Study

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10 questions
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  • Q1
    Many plants have thorns on their stems or leaves. What is the MOST likely explanation for the evolution of thorns?
    Thorns help plants to conserve resources like water and soil nutrients that may be used by other organisms.
    Thorns are an example of a mutation that arises in the genetic code of plants.
    Thorns help plants produce more food from photosynthesis.
    Thorns are an adaptation that some plants have evolved in order to discourage herbivores from eating the plant.
  • Q2
    What would occur if the anthers were removed from a flower?
    The flower would be unable to collect water.
    The flower would be unable to collect seeds
    The flower would be unable to produce fruit.
    The flower would be unable to produce pollen.
  • Q3
    How do some plants defend themselves against predators?
    Smaller plants bend and grow toward taller plants and trees.
    Plants grow roots deeper into the ground, making them harder to remove.
    Plants transpire and produce excess water to keep predators away.
    Plants can have thorns on their stems or poison on their leaves.
  • Q4
    In a dense forest, some trees are very tall. The type of plant MOST LIKELY to survive underneath these trees is one that
    needs little sunlight.
    can withstand the cold.
    can store water.
    produces many seeds.
  • Q5
    Mary put a plant on a table in her room. After a few weeks, she saw that the stem of the plant was starting to bend toward the window. What makes the stem of Mary’s plant bend toward the window?
    the force of gravity
    the heat of the Sun
    the need for light
    the need for water
  • Q6
    Why is photosynthesis important to the survival of green plants?
    because it helps absorb energy from the soil
    because it provides oxygen for other living things on Earth
    because it helps provide water that is necessary for life
    because it provides the energy and food necessary for growth
  • Q7
    In the body cells of most organisms, oxygen is used to release ________ for use by the cells
    carbon dioxide
  • Q8
    A cactus lives in a desert. It stores water in its thick stem and roots. This helps it survive in a very hot, dry habitat. What will MOST LIKELY happen if this plant is brought to a cool, wet habitat?
    It will probably not survive.
    It will grow much taller.
    It will bloom more often than in the dry habitat.
    It will grow round leaves instead of spines.
  • Q9
    The site of photosynthesis in a plant cell is the
    endoplasmic reticulum.
  • Q10
    Why is oxygen important for all body cells?
    It increases the formation of lactic acid.
    It reduces the amount of urea in blood.
    It is involved in energy producing cycles.
    It is involved in sugar production

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