TED-Ed: The simple story of photosynthesis and food - Amanda Ooten

The video explains the origin and role of carbohydrates in our diet, focusing on the process of photosynthesis. It describes how plants use carbon dioxide and water to create glucose, which forms the basis of carbohydrates like cellulose and starch. The video highlights the interdependence between humans and plants, as plants provide oxygen and carbohydrates, which humans consume and convert into energy through ATP. This cycle illustrates the intricate connection between plant and human life.

What elements are found in carbohydrates?

• Carbon, Hydrogen, and Nitrogen

• Carbon, Hydrogen, and Oxygen

• Carbon, Oxygen, and Nitrogen

• Hydrogen, Oxygen, and Nitrogen

What is the role of chlorophyll in photosynthesis?

• It absorbs water from the soil.

• It stores energy for the plant.

• It releases oxygen into the air.

• It absorbs sunlight for energy.

Which carbohydrate is known as fiber and cannot be broken down by the human body?

• Sucrose

• Cellulose

• Starch

• Glucose

How do humans benefit from the process of photosynthesis?

• By producing glucose in their cells

• By eating plant carbohydrates

• By consuming oxygen released by plants

• By absorbing sunlight directly

Why is ATP compared to currency in the context of cellular energy?

• Because it is the energy currency of cells

• Because it is a form of energy storage

• Because it is exchanged for glucose

• Because it is used to buy food