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Eleventh Grade (Grade 11) Botany Questions

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Grade 11 Botany
Grade 11 Botany
What is the function of guard cells?
  1. They store carbohydrates
  2. They control the size of the stomata
  3. They absorb minerals from the soil
  4. They help support the plant
Grade 11 Botany
The region of actively dividing cells at the tip of the stem is called...
  1. dermal tissue
  2. apical meristem
  3. lateral meristem
  4. vascular tissue
Grade 11 Botany
Specialized epidermal tissue(s) in plants include:
  1. Trichomes
  2. Root hairs
  3. Guard cells
  4. All of the above
Grade 11 Botany
Which of the following is true of abscisic acid (ABA)?
  1. once ABA is applied to plants, the dormancy it induces cannot be reversed
  2. the primary of ABA is to inhibit growth
  3. ABA levels decrease in response to changes in temperature and light, such as those that occur when seasons change
Grade 11 Botany
Pith and cortex are examples of what kind of plant tissue?
  1. Meristematic Tissue
  2. Dermal Tissue
  3. Vascular Tissue
  4. Ground Tissue
Grade 11 Botany
Alternation of generations is defined as the switching back and forth between the production of                                       .
  1. cells by mitosis and meiosis.
  2. asexual and sexual reproductive cells.
  3. gametophytes and sporophytes.
  4. diploid and haploid cells.
Grade 11 Botany
Which of the following best defines thigmotropism?
  1. a change in growth pattern in response to touch
  2. a change in growth pattern in response to light
  3. a change in growth pattern in response to weather
Grade 11 Botany
Chlorophyll absorbs which wave lengths of light best?
  1. red-blue
  2. yellow-orange
  3. green
  4. blue-green
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