Chemical properties of Soil That Affects Plant Growth and Develo

1. 1. The ability of soil to hold and exchange positively charged nutrients like Ca²⁺, Mg²⁺, and K⁺ is called (a)   .

2. 2. Nutrients like N, P, and K that are required in large amounts are called (a)   nutrients.

3. 3. The process by which microorganisms convert organic matter into inorganic, plant-available nutrients is called (a)   .

4. 4. This micronutrient is essential for nitrogen fixation in legumes: (a)   .

5. 5. Organisms like fungi and bacteria that cause plant diseases are collectively called (a)   .

Modified True or False:

Write True if the statement is true, and if the statement is false, write False and the corrected underlined word/s.

6. 6. Clay soils usually have higher CEC than sandy and silty soils.

(a)  

Modified True or False:

Write True if the statement is true, and if the statement is false, write False and the corrected underlined word/s.

7. 7. Beneficial soil microorganisms can help in dissolving minerals to release nutrients.

(a)  

Modified True or False:

Write True if the statement is true, and if the statement is false, write False and the corrected underlined word/s.

8. 8. Aluminum is an essential plant nutrient needed in high amounts.

(a)  

Modified True or False:

Write True if the statement is true, and if the statement is false, write False and the corrected underlined word/s.

9. 9. Soil pH affects the availability of nutrients to plants.

(a)  

Modified True or False:

Write True if the statement is true, and if the statement is false, write False and the corrected underlined word/s.

10. 10. Viruses can survive and multiply in soil without a host plant.

(a)