Tag: biogeochemical cycles
Questions Related to biogeochemical cycles
Which one of the following statements regarding CO gas is correct ?
If the carbon atoms fixed by producers already have passed through three species, the tropic level of the last species would be.
Which of the following gases has role an important in maintaining atmospheric temperature?
Major 'reservoirs' of $CO _{2}$ are:
Affinity of hemoglobin for CO is two hundred times more considerable than
The atomic no. of carbon is ________
The carbon cycle is the movement of carbon on Earth by the processes of --- and ---- .
In the earths crust carbon is found in the form of
Burning of fossil fuels affects
Which of the owing statements regarding the maintenance of carbon cycle in the biosphere are correct?
a. Plant utilize solar energy to convert $CO _2$ and water into cellular materials and produce oxygen that animals consume.
b. Oxygen produced by the plants during carbon assimilation is not a byproduct.
c. Energy used by an animal comes from the oxidation of plant material releasing $CO _2$ that escapes into the atmosphere.
d. All decaying organic matter on the earth is ultimately degraded by molds and bacteria to yield $CO _2$ that escapes into the atmosphere.
Select the correct answer.