Plant Nutrition Quiz

What are the primary sources of carbon, oxygen, and hydrogen for plants?

• Sunlight

• Soil and water

• Air and water

• Fertilizers

Which process allows plants to absorb mineral nutrients without using energy?

• Passive transport

• Photosynthesis

• Active transport

• Respiration

In the Diffusion Theory, what causes ions to move from soil to plant roots?

• Root respiration

• Energy expenditure

• Higher concentration in soil

• Higher concentration in roots

What role do channel and carrier proteins play in ion absorption?

• They provide energy for active transport

• They facilitate ion movement through membranes

• They prevent ion absorption

• They store ions in the roots

How does carbon dioxide produced by root respiration affect ion exchange?

• It has no effect on ion exchange

• It dissolves ions in soil

• It blocks ion exchange

• It forms carbonic acid, aiding ion exchange