Respiration Class XI

The ultimate electron acceptor of respiration in an aerobic organism is
(a

• Cytochrome

• Oxygen

• Hydrogen

• Glucose

Phosphorylation of glucose during glycolysis is catalyzed by

• Phosphoglucomutase

• Phosphoglucoisomerase

• Hexokinase

• Phosphorylase

Pyruvic acid, the key product of glycolysis can have many metabolic fates. Under aerobic condition it forms

• Lactic acid

• C02 + H20

• Acetyl CoA + C02

• Ethanol + CO

Electron Transport System (ETS) is located in mitochondrial

• Outer membrane

• Inter membrane space

• Inner membrane

• Matrix

Which of the following exhibits the highest rate of respiration? .

• Growing shoot apex

• Germinating seed

• Root tip

• Leaf bud

Mitochondria are called powerhouses of the cell. Which of the following observations support this statement?

• Mitochondria synthesise ATP

• Mitochondria have a double membrane .

• The en2ymes of the Krebs’ cycle and the cytochromes are found in mitochondria

• 
  
  Mitochondria are found in almost all plant and animal cells

The end product of oxidative phosphorylation is

• NADH

• Oxygen

• ADP

• ATP + H20

Match the following and choose the correct option from those given below

Column A Column B

A. Molecular oxygen (i)a-Ketoglutaric acid

B. Electron acceptor (ii)Hydrogen acceptor

C. Pyruvate dehydrogenase (iii)Cytochrome C

D. Decarboxylation (iv)Acetyl Co A

• (a) A—(ii), B—(iii), C—(iv), D—(i)
  

• (b) A—(iii), B—(iv), C—(ii), D—(i)
  

• (c) A—(ii), B—(i), C—(iii), D—(iv)
  

• (d) A—(iv), B—(iii), C—(i), D—(ii)

Choose the correct names of complex in the order of their number I,II,III,IV &V of ETS

• NADH dehydrogenase

  Cytochrome bc1

  Cytochrome C oxidase

  ATP Synthase

  Succinate dehydrogenase

• Succinate dehydrogenase

  Cytochrome bc1

  NADH dehydrogenase

  Cytochrome C oxidase

  ATP Synthase

• Cytochrome bc1

  NADH dehydrogenase

  Succinate dehydrogenase

  Cytochrome C oxidase

  ATP Synthase

• NADH dehydrogenase

  Succinate dehydrogenase

  Cytochrome bc1

  Cytochrome C oxidase

  ATP Synthase

How many ATPs are formed in Aerobic and Anerobic respiration respectively?

• 36,4

• 38,2

• 34,6

• 32,8