Soil PH Is Important Because

question 56

Multiple Choice

Soil pH is important because:

• A) some mineral ions are leached more easily from an acidic soil
• B) plants cannot survive in soils with pH less than about 4.0.
• C) moderately basic soil is ideal for plant growth.
• D) plants can only absorb insoluble forms of mineral elements
• E) All of these choices are correct.

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Definitions:

Melanocyte-Stimulating

Refers to a hormone involved in the regulation of skin and hair color by promoting the production of melanin in melanocytes.

Melanin

A pigment that is deposited throughout the layers of the epidermis.

Thymosin

A hormone produced by the thymus gland that plays a crucial role in the development and differentiation of T lymphocytes, important for the immune response.

Thyroid Gland

A gland in the neck that produces hormones regulating heart rate, body temperature, and metabolism.