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STD 11 - 12. Respiration in plants — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 12. Respiration in plants1 Mark
MCQ
The main purpose of electron transport chain is to
  • ✓
    Cycle $NADH$ $+H^{+i}$ back to $N A D^{+i i}$
  • B
    Use the intermediate from $TCA$ cycle
  • C
    Breakdown pyruvic acid
  • D
    All of the above
✓

Answer

Correct option: A.
Cycle $NADH$ $+H^{+i}$ back to $N A D^{+i i}$
a
In electron transport chain respiratory process are to release and utilise the energy stored in $NADH$ $+H^{+i i}$ and $FAD H _{2} .$ This is accomplished when they are oxidised through the electron transport system and the electron are passed on to $O _{2}$ resulting in the formation of $H _{2} O$

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