Which of the Following PH Ranges Is Referred to as Physiological

question 45

Multiple Choice

Which of the following pH ranges is referred to as physiological pH?

• A) pH 6 - pH 8
• B) pH 7.35 - pH 7.45
• C) pH 6.7 - pH 6.8
• D) pH 6.5 - pH 7.5
• E) pH 5 - pH 8

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Definitions:

Phloem

The vascular tissue in plants responsible for the transport of nutrients such as sugars from the leaves to other parts of the plant.

Annual Rings

Concentric rings visible in the cross-section of a tree trunk representing a year's worth of growth; used to estimate age and historical climate conditions.

Tropical Rain Forest

A dense, warm, wet forest biome located near the equator, known for its high biodiversity and as the habitat for half of the Earth's plant and animal species.