What is the primary element produced by plants during photosynthesis that is essential for human survival?
A paradigm of fragile Earth in Priestley's bell jar

Quiz
•
Biology
•
9th Grade
•
Hard
Jennifer Papa
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Carbon Dioxide (CO2)
Oxygen (O2)
Nitrogen (N2)
Hydrogen (H2)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which scientist is credited with discovering the relationship between plant and animal life through experiments involving a mouse and a mint plant?
Antoine Lavoisier
Jan Ingenhousz
Joseph Priestley
Charles Darwin
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of chlorophyll in the process of photosynthesis?
It absorbs carbon dioxide from the atmosphere.
It strips electrons from water molecules using sunlight.
It releases nitrogen into the atmosphere.
It converts oxygen into carbon compounds.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Approximately how many years ago did chlorophyll photosynthesis begin to significantly alter the Earth's atmosphere?
1,000 million years ago
2,400 million years ago
500 million years ago
3,000 million years ago
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the atmospheric condition during the early era of chlorophyll photosynthesis?
High in oxygen, low in carbon dioxide
Low in oxygen, high in carbon dioxide
High in nitrogen, low in carbon dioxide
Low in nitrogen, high in oxygen
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which scientist demonstrated that the process by which plants produce oxygen is dependent upon light?
Joseph Priestley
Jan Ingenhousz
Antoine Lavoisier
Gregor Mendel
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What would happen to a human in a sealed environment without plants, according to the hypothesis mentioned in the text?
They would thrive due to high oxygen levels.
They would suffer from severe hypoxaemia.
They would experience no change in health.
They would have an increased lifespan.
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