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Tenth Grade (Grade 10) Botany Questions

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Grade 10 Botany
Tracheids and vessel elements make up                .
  1. trichomes
  2. meristem
  3. phloem
  4. xylem
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
Phyte or phyto means
  1. vessel.
  2. plant.
  3. animal.
  4. light.
Grade 10 Botany
Which is not a characteristic of plants?
  1. chlorophyll
  2. cell walls with chitin
  3. eukaryotic
  4. multicellular
Grade 10 Botany
What layer of tissue is just underneath the epidermal layer of a plant root?
  1. cortex
  2. endodermis
  3. root cap
  4. root hairs
Grade 10 Botany
Gametophytes come from
  1. spores.
  2. mitosis.
  3. spontaneous generation.
  4. binary fission.
Grade 10 Botany
The movement of water from the roots to the leaves of a plant is best explained by
  1. active transport.
  2. the transpiration-translocation theory.
  3. osmosis.
  4. diffusion.
Grade 10 Botany
Which tissue is found in roots?
  1. dermal, vascular, and ground tissue
  2. vascular tissue only
  3. ground tissue only
  4. dermal and vascular tissue only
Grade 10 Botany
What cell is responsible for opening and closing the stomata?
  1. mesophyll
  2. epidermal
  3. embryo
  4. guard
Grade 10 Botany
How do stomata open when there is enough water uptake?
  1. Water enters the guard cells, which makes them turgid and opens the stomata.
  2. Water enters the guard cells, which makes them flaccid and opens the stomata.
  3. Water leaves the guard cells, which makes them turgid and opens the stomata.
  4. Water enters the xylem cells, which makes them turgid and opens the stomata.
Grade 10 Botany
Which trait is NOT a characteristic of all plants?
  1. multicellular
  2. vascular structures
  3. eukaryotic
  4. autotrophs
Grade 10 Botany
What is the function of the sepals?
  1. protect developing buds
  2. attach the leaf blade to the stem
  3. carry pollen as the male structure of a flower
  4. protect outer covering on mature stems
Grade 10 Botany
Which part of a leaf prevents a leaf from drying out as well as allows gas exchange?
  1. guard cells
  2. spongy mesophyll
  3. palisade mesophyll
  4. cuticle
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