AP Biology (Mader), 11th Edition

Chapter 25: Flowering Plants: Nutrition and Transport

Pre-Test

1
Which of the following is an essential element in plants?
A)Nitrogen
B)Nickel
C)Aluminum
D)Lead
2
Choose the correct order of soil horizons in a soil profile, starting from surface level.
A)Leaching zone, living organisms and humus, weathered rock, subsoil
B)Humus, weathered rock, leaching zone
C)Weathered rock, subsoil, topsoil
D)Topsoil, subsoil, weathered rock
3
A soil with mostly _____ particles has large spaces and the water drains right through them.
A)silt
B)sand
C)clay
4
The final decomposition of organic remains in humus to inorganic nutrients is performed by _____.
A)microorganisms
B)earthworms
C)small plants
D)insects
5
Which of the following is a micronutrient?
A)Iron
B)Potassium
C)Carbon
D)Calcium
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