Chapter 08 - Photosynthesis Flashcards
(18 cards)
What is the mode of nutrition for green plants?
Autotrophic mode of nutrition
What do green plants use to synthesize food?
Carbon dioxide and water
What pigment absorbs sunlight in plants?
Chlorophyll
What are the factors necessary for photosynthesis?
Chlorophyll
Sunlight
Water
Carbon dioxide
What is the byproduct of photosynthesis?
Oxygen
What is the word equation for photosynthesis?
Carbon dioxide + Water + Sunlight + Chlorophyll → Glucose + Oxygen
What is the balanced chemical equation for photosynthesis?
6CO2 + 6H2O + Sunlight + Chlorophyll → C6H12O6 + 6O2
What is glucose temporarily stored as in leaves?
Starch
What is sucrose converted from?
Starch
How do plants absorb water for photosynthesis?
Through root hairs by osmosis
How does CO2 enter the plant for photosynthesis?
Through stomata
What color indicates starch presence in the leaf?
Blue or dark purple after adding iodine solution.
What is the significance of keeping the plant in dark for 48 hours?
To show that sunlight and carbon dioxide are needed for photosynthesis.
Who first showed that oxygen diffuses from green plants?
Lavoisier.
What is the main product of photosynthesis?
Glucose.
What role does photosynthesis play in the carbon cycle?
It helps maintain the carbon cycle.
What gas is removed from the environment by photosynthesis?
Carbon dioxide (CO2).
What tissue transports products of photosynthesis?
Phloem.
