Carbon cycle is the process of circulation of carbon dioxide into the atmosphere. It is circulated through different processes such as respiration, burning of fossil fuels and also by the decomposition of dead animals and plants. During respiration, carbon dioxide is exhaled out by human beings. Similarly, all these processes release carbon dioxide into the atmosphere and the process is cyclic. The carbon cycle can be represented as:

EASY

Earn 100

Which one of the following is a sedimentary biogeochemical cycle in an ecosystem?

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Important Questions on Ecosystem

EASY

Biology>Ecology and Environment>Ecosystem>Nutrient Cycles

In which of the following both pairs have correct combination?

EASY

Biology>Ecology and Environment>Ecosystem>Nutrient Cycles

Schematically represent phosphorous cycle.

EASY

Biology>Ecology and Environment>Ecosystem>Nutrient Cycles

Write Carbon cycle.

HARD

Biology>Ecology and Environment>Ecosystem>Nutrient Cycles

Represent the phosphorus cycle with a word diagram.

EASY

Biology>Ecology and Environment>Ecosystem>Nutrient Cycles

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

MEDIUM

Biology>Ecology and Environment>Ecosystem>Nutrient Cycles

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 and Environment>Ecosystem>Nutrient Cycles

Differentiate between the carbon cycle and phosphorus cycle that operate in nature by giving two points.

HARD

Biology>Ecology and Environment>Ecosystem>Nutrient Cycles

Assertion ( $A$ ): A primary succession is more common than secondary succession.

Reason ( $R$ ): Biogeochemical cycling is absent in secondary succession.

EASY

Biology>Ecology and Environment>Ecosystem>Nutrient Cycles

The oceanic carbon reservoir constitutes

MEDIUM

Biology>Ecology and Environment>Ecosystem>Nutrient Cycles

Describe the model of the phosphorous cycle in the terrestrial ecosystem.

EASY

Biology>Ecology and Environment>Ecosystem>Nutrient Cycles

Which one of the following will accelerate phosphorus cycle?

EASY

Biology>Ecology and Environment>Ecosystem>Nutrient Cycles

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 and Environment>Ecosystem>Nutrient Cycles

Biogeochemical cycle having a small gaseous component is found in ___.

HARD

Biology>Ecology and Environment>Ecosystem>Nutrient Cycles

Give an account of the phosphorus cycle of an ecosystem.

EASY

Biology>Ecology and Environment>Ecosystem>Nutrient Cycles

Fill in the blank with the correct option from the bracket.

The major reservoir of carbon on Earth is _____. (soil, ocean, atmosphere)

MEDIUM

Biology>Ecology and Environment>Ecosystem>Nutrient Cycles