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Tenth Grade (Grade 10) Botany Questions

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Grade 10 Botany
What two parts form the vascular bundle in a plant?
  1. xylem and stomata
  2. xylem and phloem
  3. phloem and stomata
  4. stomata and vacuole
Grade 10 Botany
Grade 10 Botany
What is the name of the cells that surround the stomata?
  1. guard cells
  2. sentry cells
  3. palisade cells
  4. mesophyll cells
Grade 10 Botany
Phloem functions primarily in                                        .
  1. increasing stem width
  2. transport of water
  3. growth of the root
  4. transport of products of photosynthesis
Grade 10 Botany
In which of these do seeds form?
  1. fruiting plants.
  2. gymnosperms.
  3. angiosperms.
  4. vascular plants.
Grade 10 Botany
In the nitrogen cycle, what do bacteria that live on the roots of plants do?
  1. change nitrogen gas into plant proteins
  2. break down nitrogen compounds into nitrogen gas
  3. change nitrogen gas into ammonia
  4. do not effect the pathways of nitrogen
Grade 10 Botany
How do stomata open when there is enough water uptake?
  1. water enters the guard cells making them turgid, which opens the stomata
  2. water enters the guard cells making them flaccid, which opens the stomata
  3. water leaves the guard cells making them turgid, which opens the stomata
  4. water enters the xylem cells making them turgid, which opens the stomata
Grade 10 Botany
What happens to the cells in a leaf that wilts?
  1. they become turgid
  2. they become flaccid
  3. they become plasmolysed
Grade 10 Botany
Grade 10 Botany
What is the function of the cells in the palisade layer of a leaf?
  1. allow light to enter the leaf
  2. contain lots of chloroplasts to absorb light energy
  3. allow gases to diffuse easily and reach all cells
  4. store water
Grade 10 Botany
Gametophytes come from                       .
  1. spores
  2. mitosis
  3. spontaneous generation
  4. binary fission
Grade 10 Botany
What are the products of photosynthesis?
  1. oxygen and carbon dioxide
  2. oxygen and glucose
  3. glucose and carbon dioxide
  4. glucose and water
Grade 10 Botany
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