Important Environmental Factors (Grade 11 NSC Matric Life Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which three environmental factors affect photosynthesis rate?
Which three environmental factors affect photosynthesis rate?
Light intensity, CO₂ concentration, temp
What does light provide for photosynthesis?
What does light provide for photosynthesis?
Energy to power the process
What happens when light intensity exceeds optimum levels?
What happens when light intensity exceeds optimum levels?
Other factors become limiting instead
What role does carbon dioxide play in photosynthesis?
What role does carbon dioxide play in photosynthesis?
Raw material for glucose production
Why does temperature affect photosynthesis differently from light and CO₂?
Why does temperature affect photosynthesis differently from light and CO₂?
It influences enzyme activity
What happens to enzymes at temperatures above the optimum?
What happens to enzymes at temperatures above the optimum?
They denature and lose their shape
What is a greenhouse?
What is a greenhouse?
Glass/plastic structure trapping heat
How can greenhouses increase CO₂ concentration?
How can greenhouses increase CO₂ concentration?
Pump in CO₂ or use gas burners
What does the experimental group lack in photosynthesis investigations?
What does the experimental group lack in photosynthesis investigations?
The factor being tested
Which factor creates a bell-shaped curve for photosynthesis rate?
Which factor creates a bell-shaped curve for photosynthesis rate?
Temperature