Roots Obtain Cations Through Cation Exchange, Where Soil Particles Absorb

question 49

Multiple Choice

Roots obtain cations through cation exchange, where soil particles absorb ____ provided directly or indirectly by the root, and thus release cations.

• A) Cl^-
• B) K⁺
• C) H⁺
• D) water
• E) CO₂

---

Definitions:

Maternal Blood

Blood circulating in a pregnant woman that provides nutrients and oxygen to both the mother and the fetus.

Embryonic Blood

Blood cells that are present in an embryo, fundamental in the development of the circulatory system.

Fetal Blood

Blood that circulates through a fetus, which has unique properties, such as a higher concentration of hemoglobin, to efficiently carry oxygen from the placenta.

Ducts

Passages or tubes in the body through which substances like air, liquid, or other materials can move from one area to another.