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Structure and Function of Plant Roots (Grade 10)

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Structure and Function of Plant Roots

Roots which originate from stems, branches, leaves, or other unusual places on the plant are known as                                             .
A tap root is usually formed by thin, moderately branching roots growing from the stem.
  1. True
  2. False
What is the function of plant roots?
  1. to collect sunlight
  2. to absorb nutrients from the soil
  3. to produce flowers for reproduction
  4. to eliminate wastes from the leaves
Which of these is an example of a plant with a taproot system?
  1. carrot
  2. grass
  3. peas
  4. lettuce
What is the layer of tissue called that can be found just underneath the epidermal layer of a plant root?
  1. the cortex
  2. the endodermis
  3. the root cap
  4. the root hairs
What is the structure called the promotes growth and elongation of the plant root?
  1. the root hairs
  2. the vascular cylinder
  3. the apical meristem
  4. the Casparian strip
Where would ground tissue be found in a plant root?
  1. within the vascular cylinder
  2. on the outside of the root
  3. inside of the root hairs
  4. just underneath the outer layers
Which structure increases the root's surface area to allow for more water and mineral absorption?
  1. the apical meristem
  2. the root hairs
  3. the epidermal tissue
  4. the cortex
What mechanism does the plant root use to bring water into the plant?
  1. osmosis
  2. active transport
  3. binary fission
  4. accumulation
How does active transport relate to the mechanism plants use to take in minerals from the soil?

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