Biodiversity and Plant Processes Quiz

What does biodiversity refer to?

• The number of individuals in a species

• The variety of living species on Earth

• The process of photosynthesis

• The disappearance of a species

What is the primary role of an ecologist?

• To study the structure of plants

• To classify different species

• To use biodiversity indices to assess ecosystems

• To measure population density

Which of the following is a cause of species extinction?

• Photosynthesis

• Habitat loss

• Cellular respiration

• Plant growth

What is the process by which plants synthesize food using sunlight?

• Cellular respiration

• Photosynthesis

• Glycolysis

• Krebs cycle

Where does the light-dependent reaction of photosynthesis occur?

• In the thylakoid membrane

• In the mitochondria

• In the cytoplasm

• In the stroma

What is the main product of the Calvin Cycle?

• Sugar

• Oxygen

• ATP

• Carbon dioxide

What is the powerhouse of the cell?

• Chloroplast

• Nucleus

• Ribosome

• Mitochondria

What is the primary function of roots in plants?

• To absorb water and nutrients

• To regulate gas exchange

• To produce food

• To support the plant

Which of the following describes clumped patterns of population distribution?

• Evenly spaced individuals

• Clustered together in groups

• Randomly scattered individuals

• Uniform distribution

What is the term for the maximum number of organisms an environment can support?

• Population density

• Carrying capacity

• Species richness

• Limiting factor