741 Haemoglobin can be almost completely oxygenated by an oxygen pressure of __________ of mercury. Biology Medium Full question → A 10 mm B 60 mm C 10 cm D 100 mm
742 Oxygen contents per liter of air is____________? Biology Medium Full question → A 10 ml B 100 ml C 200 ml D 100ml
743 The maximum amount of oxygen which normal human blood absorbs and carries at sea level is ________ per 100 ml of blood. Biology Medium Full question → A 10 ml B 20 ml C 30 ml D 40 ml
744 Of the following, which one is better respiratory medium___________? Biology Medium Full question → A Air B Water C Soil D None of these
745 During rest the breathing occurs rhythmically at the frequency of _________ times per minute in human? Biology Medium Full question → A 16-30 B 15-20 C 5?10 D 6?12
746 ___________ respiration is the process by which cell utilized oxygen and produces CO2 ? Biology Medium Full question → A Cellular B Organismic C Both of these D None of these
747 Lungs are covered with double layered thin membranous sac called___________? Biology Medium Full question → A Disphragm B Pleura C Pericardium D Rib cage
748 ___________ respiration is directly involved in the production of energy, necessary for all living activities? Biology Medium Full question → A Organismic B Cellular C Both of these D None of these
749 Lungs are spongy due to the presence of million of___________? Biology Medium Full question → A Air sacs B Alveoli C Bronchioles D Parabronchi
750 Breaking of terminal phosphate of ATP releases about ___________ Kcal of energy? Biology Medium Full question → A 6.1 B 6.3 C 7.1 D 7.3
751 ATP are consumed during___________? Biology Medium Full question → A Glycolysis B Kreb’s cycle C Light dependent phase D none of these
752 Cellular respiration is essentially a/an _____________ process? Biology Medium Full question → A Oxidation. B Reduction. C Redox. D None of the above.
753 From one pyruvate passing through Kreb’s cycle, how many NADH are formed? Biology Medium Full question → A 1 B 2 C 3 D 4
754 In Anaerobic respiration only __________ % of the energy present within the chemical bond of glucose is converted into ATP? Biology Medium Full question → A 1% B 2% C 3% D 4%
755 Final acceptor of electrons in respiratory chain is____________? Biology Medium Full question → A NADH B Cytochrome a3 C Water D Oxygen
756 In which of the following component of the body, lactic acid fermentation takes place? Biology Medium Full question → A Brain B Heart C Liver D Muscles
757 The most important photosynthetic pigment is ___________? Biology Medium Full question → A Chlorophyll a B Chlorophyll b C Xanthophyll D Carotenes
758 The chlorophyll molecule is embedded in the core of thylakoid membrane which acts as___________? Biology Medium Full question → A Hydrophilic B Hydrophobic C Both of these D None of these
759 In alcoholic fermentation Pyruvic acid is broken down into? Biology Medium Full question → A Acetaldehyde B Methyl alcohol C Ethyl alcohol D Lactic acid
760 Deficiency of ___________ causes yellowing in plants? Biology Medium Full question → A Magnesium B Iron C Chlorine D Oxygen