Question

9) A scientist tests a soil sample from an uncultivated field and concludes that the soil is highly basic in
nature. She suggests that adding organic matter in the soil could improve the quality of the soil. How
does organic matter improve the quality of the soil?
(a)lt releases acids which neutralises the soil
(b)lt traps water vapor and increases the moisture content
(c)It makes the soil lighter so that it can be easily transported
(d)it acts as food for the organisms already present in the soil​

Answer 1

Answer:

(b)

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Answer 2

The organic matter improves the soil quality by b) It traps water vapor and increases the moisture content.

Explanation:

• Organic matter includes any plant or animal material that returns to the soil and goes through decomposition.
• The organic matter also binds soil particles into aggregates and improves the water holding capacity of the soil.
• Organic matter plays a significant role in crop production and soil health by improving the soil's physical, chemical, and biological functions.
• The function is, Increasing levels of organic matter aids in soil structure, water-holding capacity, nutrient mineralization, biological activity, and water and air infiltration rates.