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Chapter 17 Quiz 3
Final Practice
20
Biology
Undergraduate 2
05/10/2011

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Term
Which of the following is true about monocots and dicots?
Definition
Monocots are flowering plants.
Term
Based upon the size of the particles, the three classifications of soil, from largest particle size to smallest particle size are:
Definition
sand, silt, and clay.
Term
The ground tissue that fills the area between the epidermal cells and the vascular tissue in flowering plants is called the __________.
Definition
cortex
Term
Cohesion of water molecules in the xylem of a plant is a result of:
Definition
hydrogen bonds between the oxygen of one water molecule and a hydrogen of another water molecule.
Term
Plants can have one of two kinds of roots, a taproot or a fibrous root system. Which of the following describes the differences between these two systems?
Definition
Only answers a) and c) are true descriptions
Term
In trees, the epidermis on the stem and roots is replaced by a protective covering of dead:
Definition
cork cells.
Term
In mycorrhizal associations, the fungi benefit the plant by:
Definition
All of the above are correct.
Term
Stomata are:
Definition
holes created by open guard cells in a leaf.
Term
What type of plant tissue can be described as "elongated but flexible, stringy cells"?
Definition
collenchyma
Term
Which of the following soil textures has the greatest ability to hold water?
Definition
clay
Term
Which of the following is NOT a function of a plant's stem?
Definition
serve as the primary site of photosynthesis in the plant
Term
There are two different analogies to describe how fluid is transported through a plant; that of the drinking straw (negative pressure) and that of the hose (positive pressure). Which of the following properly links the type of vascular tissue with its corresponding analogy?
Definition
xylem: straw; phloem: hose
Term
Phloem and xylem are both cells that transport fluids throughout a plant, but differ in many ways. While phloem cells are __________, xylem cells are __________. Furthermore, phloem moves nutrients in __________ directions while xylem moves water in ___________ directions.
Definition
alive; dead; both lateral and horizontal; only lateral
Term
Water is moved from the roots to the tops of trees using which of the following physical principles?
Definition
All of the above are involved in water transport.
Term
Sugars produced in the leaves of a plant are transported elsewhere in the plant through:
Definition
sieve tubes that make up the phloem.
Term
Plants have specialized cells to move water, nutrients, and sugars from one part of the plant to another. The _________ transports water and mineral nutrients, while the ____________ transports sugars.
Definition
xylem; phloem
Term
When mineral concentrations are higher inside root cells than in the soil:
Definition
plants must use ATP to import more minerals.
Term
The _____________ is the region of the plant that undergoes rapid mitotic cell division and is the plant's main source of cells.
Definition
meristem
Term
Which is NOT true about plant nutrition?
Definition
No plant can grow without soil.
Term
Carnivorous plants digest small invertebrate animals. These animals are broken down by the plant's enzymes and the products are used to supplement the plant's supply of:
Definition
nitrogen
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