Which step is not involved in the carbon-cycle?
(a) Photosynthesis
(b) Transpiration
(c) Respiration
(d) Burning of fossil fuels
Answer: B
Solution.
In the process of transpiration trees and plants removes water from it with the help of leaves.
It does not involve emission or absorption of carbon dioxide.
Photosynthesis in plants and respiration in all living organisms are parts of carbon cycle.
Burning of fossil fuels releases carbon dioxide therefore it is also part of carbon cycle.
Has the correct answer of this question is option B