Botany Quiz 5-6
Card Set Information
Botany Quiz 5-6
Function of Roots
Uptake of water/Minerals, Anchorage, Storage of water/Sugar
The part of the embryo that develops into the first root
T / F: All mature plants have either a tap root or a fibrous root system
T/F: Dicots typically have fibrous root systems; whereas, monocots typically have tap roots
The region of maturation is also known as:
The region of differensiation/ the root hair zone
In addition to protecting the meristematic cells, the root cap also appears to play a role in
perception of gravity
Which of the following is / are produced by the apical meristem?
Ground meristem, procambium, protoderm
The region of a root between the epidermis and the endodermis is the
Soil solution traveling apoplastically is prevented from entering the vascular cylinder by the
These cells remain meristematic and produce lateral roots
Which of the following are true of mychorrhizae?
1.enhance phosphorus uptake
2.enhance water uptake
3.reduce a plant's need for / production of root hairs
T/F: Rhizobium bacteria converts atmospheric nitrogen to forms that are
available to plants through a process called nitrogen fixation.
T/F: Because all soils are formed from basically the same materials and by the same processes, there a very few differences in soils from one geographic region to another.
The different layers of soil visible when ddigging a deep hole are called
the relative proportions of sand, silt, and clay
T/F: The best agricultural soils are approximately 40% sand, 40% silt, and 20% clay
Which of the following statements pertaining to soil pH are true?
A. pH affects nutrient availability
B. soil microorganisms can be negatively impacted by changes in soil pH
C. plants grown in unsuitable soil pH may suffer from nutrient deficiencies
D.pH describes the relative acidity or alklinity of a soil
describes the amount of soil water between PWP and field capacity
water that drains out through pore spaces in the soil and is unavailable to plants
water that is held in soil pores and is available to plants
soil water is insufficient for plant uptake
permanent wilting point (PWP)
describes the status of soil water after excess has drianed away due to gravity
stuck to water particles and not available to plants