B-LS1-5 Photosynthesis

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy, usually from the sun, into chemical energy in the form of glucose, using carbon dioxide and water.

Front

What are the main products of photosynthesis?

Back

The main products of photosynthesis are glucose and oxygen.

Front

What is the role of chlorophyll in photosynthesis?

Back

Chlorophyll is the pigment that absorbs light energy, primarily from the sun, which is essential for the photosynthesis process.

Front

What is the ultimate source of energy for living organisms?

Back

The ultimate source of energy for living organisms is the sun.

Front

How does deforestation impact photosynthesis?

Back

Deforestation decreases the number of trees and plants available for photosynthesis, leading to reduced oxygen production and increased atmospheric carbon dioxide.

Front

What is the equation for photosynthesis?

Back

The equation for photosynthesis is: 6CO2 + 6H2O + light energy → C6H12O6 + 6O2.

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What are the two main stages of photosynthesis?

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The two main stages of photosynthesis are the light-dependent reactions and the light-independent reactions (Calvin cycle).

Front

What is the function of water in photosynthesis?

Back

Water provides the electrons and protons needed for the light-dependent reactions and is also a reactant in the overall photosynthesis equation.

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What is the significance of oxygen produced during photosynthesis?

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Oxygen produced during photosynthesis is essential for the survival of aerobic organisms, including humans, as it is used in cellular respiration.

Front

How do plants obtain carbon dioxide for photosynthesis?

Back

Plants obtain carbon dioxide from the atmosphere through small openings in their leaves called stomata.