WJEC GCSE Science Double Award Plants and ecosystems (Unit 1) overview quiz quiz
14questions. Pick an answer and you'll see why right away.
What is the word equation for photosynthesis?
Which of these is NOT a limiting factor for photosynthesis?
On a graph of photosynthesis rate against light, why does the line eventually level off?
Where in the leaf are most chloroplasts found?
Which tissue carries water and minerals up from the roots?
What is transpiration?
Which condition increases the rate of transpiration?
What is the first organism in a food chain called?
Roughly what percentage of energy is passed to the next trophic level?
Why are food chains usually short?
Which process removes carbon dioxide from the atmosphere?
In what form do plants absorb nitrogen from the soil?
What is the main role of decomposers in an ecosystem?
Which human activity increases the carbon dioxide in the atmosphere?