Importance of Soil Water for Plant Growth
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Questions and Answers

Water (H20) is an important ______ constituent, essential for plant growth.

soil

It is the ______ that together with dissolved nutrients forms the soil solution.

solvent

Water provides ______ to cells and tissues which enables them to maintain their form and the best position to get light.

turgidity

Water plays an important role in soil formation, ______, structure, stability, strength, penetrability, consistency, and compactibility.

<p>erosion</p> Signup and view all the answers

The air content and ______ exchange of soil depend upon the amount of water present in the soil.

<p>gas</p> Signup and view all the answers

It is necessary for microbial ______ and action.

<p>mobility</p> Signup and view all the answers

Which of the following is NOT a function of water in living plants?

<p>It aids in the formation of chlorophyll</p> Signup and view all the answers

Soil water thus indirectly affects the ______ of microbes, root respiration, and the oxidation-reduction potential of the soil.

<p>activity</p> Signup and view all the answers

According to the passage, how does water affect soil temperature?

<p>It has a cooling effect on soil temperature</p> Signup and view all the answers

What does the passage imply about the relationship between water content and gas exchange in soil?

<p>Higher water content leads to decreased gas exchange</p> Signup and view all the answers

Which of the following soil properties is NOT influenced by water, according to the passage?

<p>Porosity</p> Signup and view all the answers

According to the passage, which of the following is NOT a function of water in soil?

<p>Aiding in the formation of soil organic matter</p> Signup and view all the answers

Based on the information provided, which of the following statements is true?

<p>Water is essential for both microbial mobility and action</p> Signup and view all the answers

Which of the following processes is NOT directly influenced by water, according to the passage?

<p>Nutrient uptake by plants</p> Signup and view all the answers

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