The other scientific name for Asteraceae is...
Secondary soil minerals originate from the:
additions of fertilizer by growers
weathering of quartz and feldspars
cooling of molten lava
decaying plant materials
formation of sandstones and shales in ancient sea beds
The DNA material found in nuclei is called:
Which of the following is a type of schlerenchyma cell?
Which of the following statements pertaining to monocots is true?
Their vascular bundles in the stem are arranged in a ring
they have no vascular cambium to cause secondary growth
they have a vascular cambium
most of them are woody
they have two cotyledons or seed leaves
Soil will develop in parent material in ____________ under ideal conditions
10 million years
Which of the following families is a meristematic tissue
Which of the following families typically has inflorescence types known as spikes and panicles
A complete mineral soil profile can be represented by one of the following combinations of horizons or layers.
Horizons Oh, Om, Of
Horizons A, B and C
Horizons A and B
Horizons C and the underlying bed rock
Horizons LFH and A
The level of soil water that is available to plants for long term growth is between the
Field capacity and oven dry
Wilting point and oven dry
Saturation and Wilting point
Field capacity and wilting point
Saturation and field capacity
The composition of glacial till would include
All of these
The portion of the cell that controls the movement of substances into and out of the cell. What is this outer boundary of the living portion of the cell ?
The Poaceae family belongs to the Liliopsida class
Varves are the result of parent material formation in ancient supraglacial lakes.
Winter annuals and biennials are the two plant life cycles that overwinter only once
The "Species" level of plant classification is made up of "Genera"
Soils with a south aspect would likely have gymnosperms mostly growing on them.
Stone cells (sclereids) and fibers have relatively thin walls
Duplication of DNA takes place in the nucleus
A cell wall consists primarily of complex sugar molecules.
Mineral soils have master horizons labelled A, B and C
The angiosperms are flowering plants with covered seeds
The vessel elements of xylem have adjacent companion cells that aid in the conduction of water
Soils with low water content have adequate oxygen levels for plant root growth.