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Lesson 1 Exit Quiz

Quiz by Thomas Holland

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8 questions
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  • Q1
    Which hormone is primarily responsible for promoting apical dominance in plants?
    Cytokinin
    Gibberellin
    Auxin
    Ethylene
    30s
  • Q2
    What is the effect of indole-3-acetic acid (IAA) on internode length in plants?
    It promotes elongation of internodes
    It reduces overall plant height
    It causes stunted growth
    It has no effect on growth
    30s
  • Q3
    How does auxin affect lateral bud growth in relation to apical dominance?
    It inhibits lateral bud growth
    It encourages branching
    It promotes lateral bud growth
    It has no effect on lateral buds
    30s
  • Q4
    Which part of the plant contains the highest concentration of auxins that influence apical dominance?
    The roots
    The flowers
    The leaves
    The shoot apex
    30s
  • Q5
    What is the primary energy source for seed germination before photosynthesis begins?
    Starch
    Protein
    Lipids
    Cellulose
    30s
  • Q6
    During the process of germination, starch stored in seeds is broken down into which simpler sugar?
    Galactose
    Glucose
    Sucrose
    Fructose
    30s
  • Q7
    What environmental condition is most critical for initiating seed germination?
    Low oxygen levels
    Moisture
    High light intensity
    Cold temperatures
    30s
  • Q8
    What is the role of gibberellins in seed germination?
    They increase water retention in seeds.
    They stimulate chlorophyll production.
    They promote the breakdown of starch.
    They inhibit root growth.
    30s

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