Movement of carbon from the atmosphere to the lithosphere begins with rain- CO 2- H 2 O - -A- OxideB- CalciumC- None of the aboveD- Carbonic Acid

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Standard X

Biology

Slow Cycle

Movement of c...

Question

Movement of carbon from the atmosphere to the lithosphere begins with rain.
$C O_{2}$ + $H_{2} O$ $\to$ ?

Carbonic Acid

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Oxide

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Calcium

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None of the above

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Solution

The correct option is A
Carbonic Acid

Carbon dioxide is removed from the atmosphere by dissolving in water and forming carbonic acid.

$C O_{2}$ + $H_{2} O$ $\to$ $H_{2} C O_{3}$ (Carbonic Acid)

Carbonic acid is used to weather rocks, yielding bicarbonate ions, other ions and clays.

Calcium carbonate is precipitated from calcium and bicarbonate ions in seawater by marine organisms like coral.

The carbon is now stored on the seafloor in layers of limestone.

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Similar questions

Q. Choose the statements that correctly differentiate between phosphorus and carbon cycle.
I. Phosphorus is released into the atmosphere due to respiratory activities while carbon is not
II. Carbon is released into the atmosphere due to respiratory activities while phosphorus is not
III. Phosphorus cycle is sedimentary while carbon cycle is gaseous
IV. Lithosphere is the reservoir for phosphorus cycle while atmosphere is the reservoir for carbon cycle

Q. The process by which carbon sinks remove carbon dioxide (

C O_{2}

) from the atmosphere is known:

Q. is the mixing of water with the atmospheric carbon dioxide to form carbonic acid.

Question 19
Choose the correct sequences

(a) $C O_{2}$ in atmosphere → decomposers → organic carbon in animals → organic carbon in plants
(b) $C O_{2}$ in atmosphere → organic carbon in plants → organic carbon in animals → inorganic carbon in soil
(c) Inorganic carbonates in water → organic carbon in plants → organic carbon in animals → scavengers
(d) Organic carbon in animals → decomposers → $C O_{2}$ in atmosphere → organic carbon in plants

Q. Carbon dioxide reacts with calcium hydroxide to form calcium carbonate and water.

C a (O H)_{2} + C O_{2} \to C a C O_{3} + H_{2} O

From this reaction, we can conclude that

C O_{2}

is __________.

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Movement of carbon from the atmosphere to the lithosphere begins with rain. CO2 + H2O → ?

Movement of carbon from the atmosphere to the lithosphere begins with rain.
$C O_{2}$ + $H_{2} O$ $\to$ ?