Plant Nutrition 1
Plants absorb solar energy and ...?
Carbon Dioxide
Plants absorb Carbon Dioxide and...?
Solar energy (sunlight)
Do plants breathe at night?
Yes
Do plants photosynthesise at night?
No
What is a trunk?
Another word for a tree's thick, hard stem.
What do the roots do?
Aborb minerals and water from the soil.
What is the role of the xylem?
Transports water and help supports the plant
Do plants photosynthesise during the day?
Yes
Why are leaves green?
What are the products of the light reactions?
Sugar and oxygen
What does chlorophyll do?
Collects solar energy.
The ... take the elaborated sap (the plant's food) to all the other parts of the plant.
stems
Complete: Plants need to ... in order to live
Breathe.
Explain respiration
The process by which plants breathe. They absorb oxygen from the air and expel C02 as waste.
Why can photosynthesis not occur at very high temperatures?
Because enzyme activity is lower
What do plants release?
Oxygen
In plants the glucose produced in photosynthesis gets stored as which molecule?
Starch
Where in the plant is chlorophyll found?
The leaves
What does chlorophyll do?
Collects solar energy.
Which of the following are two major limiting factors of photosynthesis?
Carbon dioxide concentration and temperature
What is photosynthesis?
The process by which plants make their own food, to live and grow.
Explain photosynthesis
Roots absorb water and minerals from soil. The leaves collect solar energy and carbon dioxide. This then produces oxygen and
How do plants support life on Earth?
They release Oxygen
Explain all the steps of photosynthesis
Roots absorb water and minerals from soil. The leaves collect solar energy and carbon dioxide. This then produces oxygen and
Which useful energy conversion is carried out by chlorophyll?
Light energy to chemical energy