Roots Flashcards
Learning roots
1
Q
Whay are Roots
A
- Absorb mineral salts and water from the soil.
2
Q
What is a Cortex
A
- Tissue cells lying between the epidermis and the vascular.
3
Q
What does the Cortex do
A
- Stores some food as starch.
4
Q
What is a Root Cap
A
- A tissue at the top of the plant root.
5
Q
What is the function of the Root Cap
A
- Protects root tip.
6
Q
What are Root Hairs
A
- Thin Hair- Like outgrowth of an epidermal cell.
7
Q
What do Hair Roots Do
A
- Absorbs mineral irons and water.
8
Q
Characteristics of Root Hairs
A
- Smaller the size the larger the surface area.
9
Q
What is the anchor.
A
- Holds the plant down.
10
Q
What is the process in which the anchor takes up water from the soil
A
- Osmosis
11
Q
What’s is Transpiration
A
- Evaporation of water in the leaves.
2. Loss of water in the atmosphere.
12
Q
What are the 4 factors that affect the rate of Transpiration
A
- Light : Stoma grows larger = Increase of rate.
- Humidity: Alot of water in the air = Low rate.
- Warm Conditions: Warm air holds more water vapour = Increase of rate.
- Windy : Water gets blown away = Increase of rate.
