A researcher observes that a plant placed in a sealed chamber shows a net decrease in CO2 levels during the day but a net increase at night. What can be inferred about the metabolic processes occurring?
The plant is only respiring, both day and night.
The plant is only photosynthesizing, both day and night.
Photosynthesis exceeds respiration during the day, while respiration exceeds photosynthesis at night.
Respiration exceeds photosynthesis during the day, while photosynthesis exceeds respiration at night.
Related Questions
Which part of the plant cell is primarily involved in respiration?
Chloroplast
Cell wall
Vacuole
Mitochondria
The primary structure for gas exchange in leaves is:
Cuticle
Epidermis
Stomata
Vascular bundles
What gas is released by plants during respiration?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
Which process do plants primarily use to obtain energy?
Photosynthesis
Respiration
Decomposition
Chemosynthesis
Seeds respire in
Oxygen
Nitrogen
Carbon Dioxide
Hydrogen
What is the primary source of energy used in plant respiration?
Sunlight
Water
Carbon dioxide
Glucose
Through which tiny pores on leaves do plants exchange gases for respiration?
Xylem
Phloem
Stomata
Root hairs
