EASY
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Find the odd statement w.r.t. phosphorus cycle

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Important Questions on Ecosystem

EASY
Biology>Ecology>Ecosystem>Nutrient Cycling
Differentiate between the carbon cycle and phosphorus cycle that operate in nature by giving two points.
HARD
Biology>Ecology>Ecosystem>Nutrient Cycling
Give an account of the phosphorus cycle of an ecosystem.
EASY
Biology>Ecology>Ecosystem>Nutrient Cycling
Which one of the following will accelerate phosphorus cycle?
EASY
Biology>Ecology>Ecosystem>Nutrient Cycling

Given below is a simplified model of phosphorus cycling in a terrestrial ecosystem with four blanks (A-D). Identify the blanks.

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MEDIUM
Biology>Ecology>Ecosystem>Nutrient Cycling
Which of the following statements is incorrect regarding the phosphorus cycle?
EASY
Biology>Ecology>Ecosystem>Nutrient Cycling
The oceanic carbon reservoir constitutes
MEDIUM
Biology>Ecology>Ecosystem>Nutrient Cycling
In a recent forest fire at the silent valley, phosphorous from the dead organisms was released into the soil due to a specific organism. Name the organism.
EASY
Biology>Ecology>Ecosystem>Nutrient Cycling

Which one of the following element never goes to the atmosphere?

EASY
Biology>Ecology>Ecosystem>Nutrient Cycling
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
EASY
Biology>Ecology>Ecosystem>Nutrient Cycling
In which of the following both pairs have correct combination?
EASY
Biology>Ecology>Ecosystem>Nutrient Cycling
Which one of the following is a sedimentary biogeochemical cycle in an ecosystem?
EASY
Biology>Ecology>Ecosystem>Nutrient Cycling

The main role of bacteria in the carbon cycle involves  –                                

MEDIUM
Biology>Ecology>Ecosystem>Nutrient Cycling
The diagram/flow chart represents which of the sedimentary biogeochemical cycle?

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EASY
Biology>Ecology>Ecosystem>Nutrient Cycling
Hydrological cycle comprises of two overlapping cycles
EASY
Biology>Ecology>Ecosystem>Nutrient Cycling
The main role of bacteria in the carbon cycle involves
EASY
Biology>Ecology>Ecosystem>Nutrient Cycling
Bulk CO2 fixation occurs in:
EASY
Biology>Ecology>Ecosystem>Nutrient Cycling
About 70% of the total global carbon is found in
MEDIUM
Biology>Ecology>Ecosystem>Nutrient Cycling

Given below is a simplified model of phosphorus cycling in a terrestrial ecosystem with four blanks (A–D). Identify the blanks.

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EASY
Biology>Ecology>Ecosystem>Nutrient Cycling
Standing state of the ecosystem is
MEDIUM
Biology>Ecology>Ecosystem>Nutrient Cycling

Among the following biogeochemical cycles which one does not have losses due to respiration?