Which of the following statements regarding mitochondrial membrane is not correct?

• The outer membrane is permeable to all kinds of molecules

• The enzymes of the electron transfer chain are embedded in the outer membrane

• The inner membrane is highly convoluted forming a series of infoldings

• The inner membrane is highly convoluted forming a series of infoldings

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?

• Two

• Thirty

• Fifty seven

• Fifty seven

Which one of the following statements is incorrect?

• The residual air in lungs slightly decreases the efficiency of respiration in mammals

• The presence of non-respiratory air sacs, increases the efficiency of respiration in birds

• In insects, circulating body fluids serve to distribute oxygen to tissues

• In insects, circulating body fluids serve to distribute oxygen to tissues

Which statement is wrong for Krebs' cycle?

• There are three points in the cycle where NAD+ is reduced to NADH + H⁺

• There is one point in the cycle where FAD+ is reduced to FADH₂

• During conversion of succinyl CoA to succinic acid, a molecule of GTP is synthesised

• During conversion of succinyl CoA to succinic acid, a molecule of GTP is synthesised

55.

In gymnosperms, the Ovule is naked because

• Ovary wall is absent

• Integuments are absent

• Perianth is absen

• Nucellus is absent

Solarisation is 

• formation of chlorophyll

• destruction of chlorophyll

• utilisation of sunlight

• effects of solar light

Decarboxylation is involved in

• electron transport system

• glycolysis

• Kreb's cycle

• lactic acid fermentation

Osmotic pressure of a solution is

• greater than pure solvent

• less than pure solvent

• equal to pure solvent

• less than or greater than pure solvent

How many ATP are formed by oxidation of one glucose molecule in liver cells?

• 36

• 38

• 2

• 8

The incomplete breakdown of sugars in anaerobic respiration results in the formation of

• fructose and water

• glucose and CO₂

• alcohol and CO₂

• water and CO₂