Cycles of Matter Practice Exam

Front

What is cell respiration?

Back

Cell respiration is the process by which glucose is broken down by oxygen to create energy for both plant and animal cells.

Front

What is the correct path that nitrogen takes in the nitrogen cycle?

Back

Air -> Bacteria -> Plants -> Animals.

Front

What role do bacteria play in the nitrogen cycle?

Back

Bacteria convert nitrogen into a usable form for plants and animals.

Front

Where does photosynthesis occur in plant cells?

Back

Photosynthesis occurs in the chloroplasts.

Front

Why do nitrates and phosphates cause algal blooms?

Back

They are critical plant nutrients that promote rapid algae growth.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which plants convert sunlight, carbon dioxide, and water into glucose and oxygen.

Front

What is the role of chlorophyll in photosynthesis?

Back

Chlorophyll is the pigment that captures sunlight for photosynthesis.

Front

What is the significance of the water cycle in ecosystems?

Back

The water cycle is essential for maintaining the availability of water for plants and animals.

Front

What are decomposers and their role in the ecosystem?

Back

Decomposers break down dead organic matter, returning nutrients to the soil.

Front

What is the carbon cycle?

Back

The carbon cycle is the process by which carbon is exchanged among the atmosphere, land, water, and living organisms.