The Process of Photosynthesis

The video explains photosynthesis, a process crucial for plant life and ecosystems. It describes how plants use sunlight to produce food and oxygen, detailing the roles of chlorophyll, chloroplasts, and plant cells. The process is divided into light and dark phases, producing glucose for plant growth. The xylem and phloem transport water, minerals, and sugars within the plant. Photosynthesis is vital for human life, providing oxygen and serving as a food source for humans and animals.

What is the primary role of chlorophyll in plants?

• To reflect all light

• To store water

• To absorb sunlight for photosynthesis

• To absorb green light

Which two stages make up the process of photosynthesis?

• Sunlight and chlorophyll stages

• Dark and water stages

• Light-dependent and light-independent reactions

• Light and water stages

What is the function of the xylem in plants?

• To transport sugars

• To transport water and minerals

• To absorb sunlight

• To store excess sugar

Why do plants store excess sugar?

• To use during photosynthesis

• To convert it into oxygen

• To provide energy at night and on cloudy days

• To attract pollinators

How do humans benefit from photosynthesis?

• It absorbs all light

• It produces oxygen and food sources

• It provides carbon dioxide for breathing

• It creates sunlight