Assertion A The root systems of deserts plants are longer Reason R High temperature of soil encourag...........

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Assertion (A): The root systems of deserts plants are longer.

Reason (R): High temperature of soil encourages the growth of roots.

Both (A) and (R) are true and (R) is the correct explanation of (A).

Both (A) and (R) are true but (R) is not the correct explanation of (A).

(A) is true but (R) is false.

(A) is false but (R) is true.

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Explanation:

Desert plants, known as phreatophytes, grow long deep roots that are capable of reaching the water table, which depths depend on the geology and nearby water sources. A deep root system is the way that a desert plant absorbs water. Many desert plants also have water absorption systems present in the stems or leaves of the plants, such as tiny hair-like fuzz on the surface of the leaves that helps prevent the evaporation of water.