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Respiration in Plants · Question 36

AIPMT 2006MCQEasy📈 Topic in 0% papers+4−1
1

How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to CO2 and H2O yields 686 kcal and the useful chemical energy available in the high energy phosphate bond of one mole of ATP is 12 kcal?

  1. 1
  2. 2
  3. 30
  4. 57

Answer

(4) 57

Solution

Energy released on complete oxidation of 1 mole glucose = 686 kcal

Useful energy stored per mole of ATP = 12 kcal

Maximum number of ATP per glucose = 68612

= 57.2 57

Answer: (4)

AIPMT 2006

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2

During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP?

  1. Glycolysis
  2. Krebs' cycle
  3. Conversion of pyruvic acid to acetyl CoA
  4. Electron transport chain
AIPMT 2005
3

In glycolysis, during oxidation electrons are removed by

  1. ATP
  2. glyceraldehyde-3-phosphate
  3. NAD+
  4. molecular oxygen.
AIPMT 2004
4

In alcohol fermentation

  1. triose phosphate is the electron donor while acetaldehyde is the electron acceptor
  2. triose phosphate is the electron donor while pyruvic acid is the electron acceptor
  3. there is no electron donor
  4. oxygen is the electron acceptor.
AIPMT 2003
5

In which one of the following do the two names refer to one and same thing?

  1. Krebs' cycle and Calvin cycle
  2. Tricarboxylic acid cycle and citric acid cycle
  3. Citric acid cycle and Calvin cycle
  4. Tricarboxylic acid cycle and urea cycle
AIPMT 2003
6

How many ATP molecules are produced by aerobic oxidation of one molecule of glucose?

  1. 2
  2. 4
  3. 38
  4. 34
AIPMT 2002
7

Cytochrome is

  1. metallo flavo protein
  2. Fe containing porphyrin pigment
  3. glycoprotein
  4. lipid.
AIPMT 2001

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