Organisms And Population Question 232
Question: In carbon cycle, source of carbon to plants is
Options:
A) Atmospheric $ CO_2 $
B) Carbonate rocks
C) Fossil fuels
D) All of these
Show Answer
Answer:
Correct Answer: A
Solution:
Carbon present in the atmosphere and hydrosphere is available to the living world as free or dissolved $ CO_2 $ .
It is picked up by producers in the process of photosynthesis and changed to organic compounds.
BETA
