Biology 11 ASSESSMENT Photosynthesis & Respiration

Front

What is chlorophyll and why do most plants appear green?

Back

Chlorophyll is a pigment found in plants that absorbs light for photosynthesis. Most plants appear green because chlorophyll reflects green light.

Front

What causes muscle soreness after intense activity?

Back

Muscle soreness after intense activity is primarily caused by the accumulation of lactic acid in the muscles.

Front

What is the thick fluid found in the mitochondria called?

Back

The thick fluid found in the mitochondria is called the matrix.

Front

Which part of the plant is primarily responsible for gas exchange?

Back

The leaves are primarily responsible for gas exchange in plants.

Front

What is glycolysis?

Back

Glycolysis is the first step in both fermentation and aerobic cellular respiration, where glucose is broken down to produce energy.

Front

What is the role of the Krebs cycle in cellular respiration?

Back

The Krebs cycle, also known as the citric acid cycle, is a series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetate derived from carbohydrates, fats, and proteins.

Front

What is the difference between aerobic and anaerobic respiration?

Back

Aerobic respiration requires oxygen and produces more energy (ATP) compared to anaerobic respiration, which occurs without oxygen and produces less energy.

Front

What are the light-dependent reactions of photosynthesis?

Back

The light-dependent reactions are the first stage of photosynthesis, occurring in the thylakoid membranes, where sunlight is converted into chemical energy in the form of ATP and NADPH.

Front

What is the function of stomata in plants?

Back

Stomata are small openings on the surfaces of leaves that allow for gas exchange, enabling the intake of carbon dioxide and the release of oxygen.

Front

What is the significance of ATP in cellular processes?

Back

ATP (adenosine triphosphate) is the primary energy carrier in cells, providing energy for various biological processes.