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If water is scarce a plant's guard cells will ______________ and the stomata will _________________.


A) Swell, close
B) Collapse, open
C) Collapse, close
D) Swell, open

E) B) and D)
F) C) and D)

Correct Answer

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"N" is the chemical symbol for:


A) Nickel
B) Neon
C) Nitrogen
D) Magnesium
E) Copper

F) A) and B)
G) B) and D)

Correct Answer

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Water and minerals can move through a root's intracellular pathway from one cell to another through:


A) Stomata
B) Plasmodesmata
C) Guard cells
D) Companion cells
E) The Casparian strip

F) A) and B)
G) B) and D)

Correct Answer

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Which of the following is not an element taken in primarily by the roots of the plant?


A) Nitrogen
B) Magnesium
C) Carbon
D) Phosphorous
E) Zinc

F) C) and D)
G) B) and D)

Correct Answer

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Water is pulled from a plant's roots to its leaves by transpiration.

A) True
B) False

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Commercial fertilizer labels prominently display three numbers which indicate the content of three elements needed by most plants as macronutrients.These elements in number sequence are:


A) Zinc, magnesium, and potassium
B) Nitrogen, phosphorous, and potassium
C) Copper, nitrogen, and phosphorous
D) Carbon, sulfur, and nitrogen
E) Nitrogen, zinc, and copper

F) A) and C)
G) D) and E)

Correct Answer

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Which of the following is not a legume?


A) Corn
B) Peas
C) Beans
D) Soybeans
E) Alfalfa

F) B) and E)
G) A) and C)

Correct Answer

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When a plant doesn't get enough water it will wilt.This is due to which of the following?


A) A decrease in turgor in the stem
B) A decrease in osmosis in the stomata
C) An increase in transpiration by the leaves
D) An increase in sap moving through the xylem
E) A decrease in sap moving through the phloem

F) C) and D)
G) A) and B)

Correct Answer

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The attraction of a molecule to another type of substance is:


A) Adhesion
B) Hydrolysis
C) Condensation
D) Cohesion
E) Evaporation

F) All of the above
G) A) and E)

Correct Answer

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Soybeans will have several hundred Rhizobium nodules.A study in Minnesota found that soybeans grown without P2O5 fertilizer produced 23.0 bushels per acre,while adding 23 lbs of P2O5 per acre gave a yield of 37 bushels per acre.What is the best explanation for this observation?


A) Rhizobium cannot produce PO4, so you need to add P containing fertilizer
B) Rhizobium produces NH4, so you don't need N containing fertilizer
C) Rhizobium produces PO4 and NH4, so you don't need any fertilizer
D) Rhizobium produces PO4, so you don't need P containing fertilizer
E) Rhizobium cannot produce NH4, so you need to add N containing fertilizer

F) A) and C)
G) B) and E)

Correct Answer

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What is the cost of being a carnivorous plant?


A) Reduced photosynthesis
B) Reduced respiration
C) Reduced mobility
D) Reduced nutrients
E) Reduced water

F) C) and D)
G) B) and C)

Correct Answer

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Nutrients that an organism needs in fairly large amounts are referred to as:


A) Total nutrients
B) Macronutrients
C) Micronutrients
D) Solid nutrients
E) Essential nutrients

F) C) and D)
G) None of the above

Correct Answer

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Chemically,nutrients from inorganic fertilizers are not equivalent to nutrients from manure or compost.

A) True
B) False

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Carnivorous plants occupy which of the following?


A) An actual niche
B) A biome
C) An ecosystem
D) A realized niche
E) A compound niche

F) A) and E)
G) All of the above

Correct Answer

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A farmer decides to use a crop rotation plan that plants corn one year,peanuts the next year and soy beans the next year and then starts over with corn the following year.The most likely reason for this type of crop rotation is to replace the soil's:


A) Water content
B) Nitrogen content
C) Phosphorous content
D) Potassium content
E) Calcium content

F) None of the above
G) A) and B)

Correct Answer

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What was the independent variable?


A) The amount of nitrogen or phosphorous added to the pitcher of each plant
B) The number of insects fed to each plant
C) The amount of nitrogen or phosphorous added to the roots of each plant
D) The ratio of the pitcher opening to pitcher length
E) The ratio of the keel width to total width

F) B) and E)
G) B) and C)

Correct Answer

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Carbon,hydrogen,and oxygen only account for about 50% of the dry weight of a plant.

A) True
B) False

Correct Answer

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Organisms that assemble their own organic molecules from water and elements that they absorb from their environment are which of the following?


A) Heterotrophs
B) Detritivores
C) Autotrophs
D) Decomposers
E) Omnivores

F) A) and B)
G) A) and D)

Correct Answer

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The carnivorous plant that has two-sided leaves,each with highly sensitive trigger hairs that is native to North and South Carolina is:


A) The sundew plant
B) The pitcher plant
C) The Venus flytrap
D) The horsetail
E) The club moss

F) B) and D)
G) C) and D)

Correct Answer

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The concentration of solutes in most soil is lower than the concentration of solutes in root cells,so water enters the roots by:


A) Hydrostatic pressure
B) Cohesion
C) Adhesion
D) Hydrolysis
E) Osmosis

F) A) and B)
G) B) and D)

Correct Answer

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