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Respiration in Humans

The following...

Question

The following two chemical reactions are supposed to indicate a certain process occurring in the green plants under two different conditions:
(a) $C_{6} H_{12} O_{6} + 6 O_{2} \to 6 C O_{2} + . . . . + 38 A T P$
(b) $C_{6} H_{12} O_{6} \to . . . . . . . + 2 C O_{2} + 2 A T P$
(iii) What are the conditions under which the two reactions (a) and (b) are occurring?

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Solution

Aerobic respiration needs oxygen for the complete oxidation of a glucose molecule and the energy released is much larger than anaerobic respiration.

Anaerobic respiration takes place in the absence of oxygen and the energy released by breaking a glucose molecule is very less.

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\overset{Light energy}{\to}

\overset{Chlorophyll}{\to}

C_{6} H_{12} O_{6} + 6 O_{2} \to 6 C O_{2} + . . . . + 38 ATP

C_{6} H_{12} O_{6} \to 2 C O_{2} + . . . . + 2 ATP

The following two chemial reactions are supposed to indicate a certain process occurring in the green plants under two different conditions :

(a) $C_{6} H_{12} O_{6} + 6 O_{2} \to 6 C O_{2} + . . . . . . + 38 A T P$

(b) $C_{6} H_{12} O_{6} \to . . . . . . . . . . + 2 C O_{2} + 2 A T P$

(i) Fill in the blanks of each reaction.

(ii) Name the process represented by the two chemical equations.

(iii) What are the conditions under which the two reactions (a) and (b) are occuring respectively?

C_{6} H_{12} O_{6} + 6 O_{2} \to 6 C O_{2} + . . . . + 38 ATP

C_{6} H_{12} O_{6} \to . . . . + 2 C O_{2} + 2 ATP

Observe the reactions given below and choose the correct option.

Reaction 1: $C_{6} H_{12} O_{6} + 6 O_{2}$ $⟶$ $6 C O_{2} + 6 H_{2} O + E n e r g y$

Reaction 2: $6 C O_{2} + 6 H_{2} O$ $L i g h t - --- \to$ $C_{6} H_{12} O_{6} + 6 O_{2}$

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