Why Can't Plants Use N2 Directly as a Nutrient

question 46

Multiple Choice

Why can't plants use N2 directly as a nutrient?

• A)Plants lack the enzymes necessary to convert N2 into NO3- or NH4+.
• B)Plant hormones are not capable of carrying out nitrogen fixation.
• C)Most soils are depleted of N2 as a nutrient.
• D)N2 diffuses out of leaves as quickly as it diffuses in, so it has to be "fixed" to remain in leaves.
• E)The N2 molecule is too large to enter the root hairs.

---

Definitions:

Spirituality

Spiritual dimension of a person, including the relationship with humanity, nature, and a supreme being.

Meditate

A practice of focused concentration, often for the purpose of reaching a higher state of consciousness or relaxation.

Agnostic

Individual who believes that any ultimate reality is unknown or unknowable.

Ultimate Reality

A concept in philosophy and theology referring to the absolute nature of the universe, the supreme truth, or an entity considered to be the fundamental basis of reality.