Nutrient Cycles
Nutrient Cycles: Overview
This Topic covers sub-topics such as Water Cycle, Carbon Cycle, Biogeochemical Cycles, Phosphorus Cycle, Oxygen Cycle, Sulphur Cycle, Standing State, Sedimentary Nutrient Cycles and, Gaseous Nutrient Cycles
Important Questions on Nutrient Cycles
The main role of bacteria in the carbon cycle involves –
The elemental components of organic matter are cycled through the _____ in an interconnected process called the biogeochemical cycle.
About 70% of the total global carbon is formed in .
Which one of the following element never goes to the atmosphere?
The main difference between carbon and phosphorus cycles is that in the latter
Out of the total quantity of global carbon, 71% is found in
The most essential event in nature regulating the nutrient balance is
Reservoir for the gaseous type of biogeochemical cycle exists in
Among the following biogeochemical cycles, which one does not have losses because of respiration?
From the following biogeochemical cycles, which one does not have losses due to respiration?
The reservoir for the gaseous type of biogeochemical cycle exists in
Which of the following is a reservoir of Sulphur?
Choose the correct option regarding the natural reservoir of phosphorus.
What percentage of total global carbon is atmospheric carbon?
Match Column I with Column II and select the correct option from the given codes.
| Column I | Column II | ||
|---|---|---|---|
| Standing state | Fast and nearly perfect | ||
| Gaseous cycles | Amount of nutrients present in soil at given time | ||
| Standing crop | Slow and less perfect | ||
| Sedimentary cycles | Mass of living matter in a unit area |
The function of reservoir pool is to meet with the deficit of nutrient that occurs due to
Select the pairs of sedimentary biogeochemical cycles.
I. Hydrogen cycle and water cycle
II. Phosphorus Cycle and sulphur cycle
III. Calcium cycle and magnesium cycle
IV. Carbon cycle and nitrogen cycle
Without phosphorus, living beings cannot grow, reproduce, or move. This is because phosphorus
