Primary Plant Growth Flashcards

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1
Q

What growth occurs in plants during primary growth?

A

Shoots grow taller and roots grow deeper

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2
Q

Where to plants grow from (top or bottom)

A

Top

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3
Q

What growth occurs in plants during secondary growth?

A

Girth- lateral growth

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4
Q

What are meristems?

A

Plant stem cells, differentiate production of cells

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5
Q

What shape is meristemic tissue?

A

Cylinder like

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6
Q

What plants only have primary growth?

A

Herbaceous plants

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7
Q

What plants have secondary growth?

A

Woody plants

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8
Q

Where is apical meristem located on a plant?

A

Tips of roots and shoots

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9
Q

What are the two types of secondary growth in plants?

A

Vascular cambium and cork cambium

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10
Q

Where do roots grow towards in primary growth?

A

Gravity

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11
Q

What are the three zones in a root? (bottom to top)

A
  1. Zone of cell division
  2. Zone of elongation
  3. Zone of differentiation
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12
Q

What occurs in each zone of a root?

A
  1. Cells are created
  2. Cells grow longer
  3. Cells are specialized
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13
Q

What is the function of the root cap?

A

Protect the root apical meristem

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14
Q

Where do shoots grow towards in primary growth?

A

Sunlight

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15
Q

What are the three zones in a shoot?

A
  1. Zone of differentiation
  2. Zone of elongation
  3. Zone of cell division
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16
Q

What zone allows for vertical growth in a plant?

A

Zone of elongation

17
Q

Are younger cells near the leaf primordia or away from it?

A

Younger differentiated cells are closer to the leaf primordia

18
Q

What is the leaf primordia?

A

Grow of cells that form new leaves

19
Q

Why do we have to mow the lawn?

A

Grass have basal (bottom) meristem, whereas plants have apical meristem.

Have to cut low to the grown to stop growth of grass