객관식
What is the primary function of the root of a plant?
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33. Plant Anatomy
Roots and Shoots
객관식
What does the xylem transport in plants?
A
Sugars and nutrients
B
Oxygen
C
Carbon dioxide
D
Water and minerals
검증된 단계별 안내1
Understand the function of xylem in plants: Xylem is a type of vascular tissue responsible for the transport of water and dissolved minerals from the roots to the rest of the plant.
Recognize the structure of xylem: It consists of specialized cells such as tracheids and vessel elements, which form tubes that facilitate the upward movement of water.
Identify the process of water transport: Water is absorbed by the roots from the soil and moves upward through the xylem due to capillary action, root pressure, and transpiration pull.
Differentiate xylem from phloem: While xylem transports water and minerals, phloem is responsible for transporting sugars and other organic nutrients produced during photosynthesis.
Apply this knowledge to answer the question: Based on the function and structure of xylem, it is clear that xylem transports water and minerals, not sugars, oxygen, or carbon dioxide.
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