Q246
Source of carbon to plants is
A.
Carbon dioxide of carbonate rocks
B.
Fossil fuels
C.
Atmospheric carbon dioxide
AnswerD.
All of the above
Answer: Option C
Solution
Answer: Option C
Solution:
Source of carbon to plants is Atmospheric carbon dioxide.Nearly half the dry substance of plants is carbon; and it is conclusively established that they derive, at any rate, the greater part of it, directly from the carbon-dioxide of the atmosphere, which the chlorophyll cells have the power of decomposing in sunlight, at the same time evolving oxygen.