CIE iGCSE Co-Ordinated Science B18.3 Carbon cycle Exam Style Questions Paper 1
Question
The diagram shows part of the carbon cycle.
What are processes X, Y and Z?
▶️Answer/Explanation
Ans :C
Question
The diagram shows part of the carbon cycle.
Which arrow represents plant respiration?
▶️Answer/Explanation
Ans : B
Question
A student draws four different attempts at part of the carbon cycle.
Which diagram is correct?
▶️Answer/Explanation
Ans : A
Question
The graph shows the change in atmospheric carbon dioxide levels over time.
A reduction of which process could cause the change in carbon dioxide shown?
(A) combustion
(B) decomposition
(C) photosynthesis
(D) respiration
▶️Answer/Explanation
Ans : C