NCERT/Class 11/Biology/Respiration in Plants

Respiration in Plants

Class 11 · Biology

114 questions46 easy52 medium16 hard

Sample Questions

Q1.If a tissue has an RQ of 0.7, it is most likely respiring:

  • AGlucose
  • BSucrose
  • CFats
  • DStarch

Q2.Which enzyme converts sucrose into glucose and fructose before they enter glycolysis?

  • AHexokinase
  • BInvertase
  • CPhosphofructokinase
  • DPyruvate dehydrogenase

Q3.How many molecules of NADH are produced during oxidative decarboxylation of pyruvate from one glucose molecule?

  • A1
  • B2
  • C4
  • D6

Q4.Electrons from NADH are first accepted by which complex in the ETS?

  • AComplex II
  • BComplex III
  • CComplex I (NADH dehydrogenase)
  • DComplex IV

Q5.During photosynthesis, why is oxygen availability not a problem for respiration in green cells?

  • AGreen cells do not respire
  • BOxygen is released within the cell during photosynthesis
  • CStomata open extra wide during photosynthesis
  • DChloroplasts store oxygen for later use

Q6.This is a sample question to preview what you'll get in the full practice test...

  • A. Option one
  • B. Option two
  • C. Option three
  • D. Option four
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Concepts Covered

ATP Synthase and ChemiosmosisAerobic Respiration OverviewAmphibolic PathwayCellular Respiration OverviewElectron Transport System (ETS)FermentationGaseous Exchange in PlantsGlycolysis (EMP Pathway)Krebs Cycle (TCA Cycle)Oxidative PhosphorylationPyruvate OxidationRespiratory Balance SheetRespiratory Quotient (RQ)Respiratory Substrates

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