The Essentials of Photosynthesis and Food Production

The video explains the origin and composition of carbohydrates, focusing on the process of photosynthesis in plants. It describes how plants use carbon dioxide, water, and sunlight to create glucose, which is then used to form larger carbohydrates like cellulose and starch. The video also covers how humans and plants are interconnected through this process, as plants provide the carbohydrates we consume. It further explains how glucose is converted into ATP, the energy currency of cells, highlighting the importance of this conversion for cellular functions.

What percentage of our daily food intake is made up of carbohydrates?

• 20%

• 80%

• 60%

• 40%

What are the basic elements that make up carbohydrates?

• Oxygen, Hydrogen, and Chlorine

• Carbon, Hydrogen, and Nitrogen

• Carbon, Nitrogen, and Oxygen

• Carbon, Hydrogen, and Oxygen

What is the primary function of chloroplasts in plants?

• To absorb water

• To capture sunlight

• To produce oxygen

• To store energy

Tags

NGSS.HS-LS1-5

What molecule do plants split to obtain electrons during photosynthesis?

• Carbon dioxide

• Glucose

• Oxygen

• Water

What is the simple carbohydrate produced through photosynthesis?

• Fructose

• Glucose

• Cellulose

• Starch

Which carbohydrate cannot be broken down by the human body?

• Sucrose

• Glucose

• Starch

• Cellulose

What do plants use cellulose for?

• To capture sunlight

• To store energy

• To keep themselves strong

• To produce oxygen

Why do our cells convert glucose into ATP?

• To prepare it for photosynthesis

• To use it as a source of immediate energy

• To store it for long-term use

• To make it easier to transport

Tags

NGSS.HS-LS1-7

What is ATP compared to in the analogy given?

• Ice cream cones

• Dollars

• Water molecules

• Sunlight

Tags

NGSS.HS-LS1-7

How are humans and plants interconnected through the process of photosynthesis?

• Plants produce oxygen which humans need for breathing

• Humans provide carbon dioxide which plants use for photosynthesis

• Both A and B

• Neither A nor B

Tags

NGSS.HS-LS2-5