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Questions and Answers
Which scientist proved in 1840 that plants needed nitrogen, potassium, and phosphorus?
Which scientist proved in 1840 that plants needed nitrogen, potassium, and phosphorus?
- Justus von Liebig (correct)
- Casparian strip
- Arnon and Stout
- Proton pumps
What is the essential organ for the uptake of nutrients in plants?
What is the essential organ for the uptake of nutrients in plants?
- Phloem
- Xylem
- Root hair (correct)
- Stomata
What prevents passive flow of water and nutrients via the root?
What prevents passive flow of water and nutrients via the root?
- Cation exchange
- Casparian strip (correct)
- Proton pumps
- Steles
What process is responsible for nutrient uptake in the soil by plants?
What process is responsible for nutrient uptake in the soil by plants?
Which fundamental way do plants use to uptake nutrients through the root?
Which fundamental way do plants use to uptake nutrients through the root?
Which of the following elements is typically obtained from the air by plants?
Which of the following elements is typically obtained from the air by plants?
In what form do plants absorb essential elements from the soil?
In what form do plants absorb essential elements from the soil?
Which of the following elements contribute to over 95% of a plant's entire biomass on a dry matter weight basis?
Which of the following elements contribute to over 95% of a plant's entire biomass on a dry matter weight basis?
How are micronutrients present in plant tissue typically measured?
How are micronutrients present in plant tissue typically measured?
According to Justus von Liebig’s law of the minimum, in what situation is a plant unable to complete a normal life cycle?
According to Justus von Liebig’s law of the minimum, in what situation is a plant unable to complete a normal life cycle?
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