Biology : Respiration in Plants

Which of the metabolites is common to respiration mediated breakdown of fats, carbohydrates and proteins?

• Glucose-6-phosphate

• Fructose 1, 6-bisphosphate

• Pyruvic acid

• Acetyl Co-A

The three boxes in this diagram represent the three major biosynthetic pathways in aerobic respiration. Arrows represent net reactants or products

Arrows numbered 4, 8 and 12 can all be 

• NADH

• ATP

• H₂O

• FAD⁺ or FADH₂

Citric acid cycle is the alternate name of which of the following

• HMP shunt

• Glycolysis

• TCA cycle

• Calvin cycle

TCA cycle enzymes are located in

• cristae

• outer membrane

• mitochondrial matrix

• mitochondrial intermembrane space

Which one is product of aerobic respiration

• Malic acid 

• Ethyl alcohol

• Lactic acid

• Pyruvic acid

Out of 38 molecules of ATP produced upon aerobic respiration of glucose, the break up if ATP production in glycolysis (P), pyruvate to acetyl Co- A formation (Q) and Krebs' cycle (R) is as follows

• P= 2, Q= 6, R= 30

• P= 8, Q= 6,R= 24

• P= 8, Q= 10, R= 2

• P= 2, Q= 12, R= 24

How many ATP are produced when one molecule of FADH₂ is oxidised to FAD through electron transport system?

• 2

• 3

• 1

• 4

Which of the following substances yield less than 4 kcal/mol when its phosphate bond is hydrolysed

• Creatine phosphate

• ADP

• Glucose-6-phosphate

• ATP

Respiratory enzymes are present in the following organelle

• peroxysome

• chloroplast

• mitochondrion

• lysosome

How many ATP molecules will be generated in a plant system . during complete oxidation of 40 moles of glucose?

• 190

• 380

• 1520

• 3040