If xylem is blocked but phloem remains normal which shortage will become serious first in the plant?
Answer and explanation
Correct answer: Shortage of water and minerals
Xylem forms the conducting tissue that carries water and dissolved mineral ions from roots to stems and leaves. If xylem is blocked, this upward supply is rapidly reduced even if phloem can still transport sugars. Leaves may lose turgidity, mineral nutrition may decline, and photosynthesis can eventually slow because water is required. Therefore option A is correct; haemoglobin and urine formation are animal functions, and phloem transports food.
Frequently asked questions
What is the correct answer to this question?
Shortage of water and minerals
Why is this the correct answer?
Xylem forms the conducting tissue that carries water and dissolved mineral ions from roots to stems and leaves. If xylem is blocked, this upward supply is rapidly reduced even if phloem can still transport sugars. Leaves may lose turgidity, mineral nutrition may decline, and photosynthesis can eventually slow because water is required. Therefore option A is correct; haemoglobin and urine formation are animal functions, and phloem transports food.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Life Processes. Topic: Transportation.
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