16902.Decreasing energy level in ETS is
Cyt, a , a3, b, c
Cyt, b, c, a, a3
Cyt, c, b, a, a3
Cyt, b, c, a3, a
16903.Cut surfaces of fruit and vegetables often become dark because
Dirty knife makes it dark
Oxidation of tannic acid in the presence of trace of iron from the knife makes it dark
Dust of the air makes it dark
None o the above
16905.Discovery of photorespiration is based on
Warburg effect
Pasteur effect
Richmond-Lang effect
Cholodny-Went effect
16906.Respiration is
Catabolic process that uses carbon dioxide, produces oxygen and converts released energy to ATP
Anabolic process that uses oxygen and carbon dioxide to from ATP
Anabolic process that uses oxygen, produces carbon dioxide and converts released energy into ATP
Catabolic process that uses oxygen, produces carbon dioxide and converts released energy into ATP
16907.During 24 hours there is a time when plants neither give O2 nor CO2. this is the time of
Night
Daylight
Twilight
None of these
16908.During respiration, pyruvic acid is formed by
Glycolysis
Krebs cycle
HMP pathway
None of the above
16909.Electron carries if oxidative phosphorylation are present on
Outer membrane of mitochondria
Inner membrane of Mitochondria
Thylakoid membrane of chloroplast
Matrix of mitochondria
16912.End product of glycolysis is
Acetyl CoA
Pyruvic Acid
Glucose 1 – phosphate
Fructose 1 – Phosphate
16913.End products of aerobic respiration are
Sugar and Oxygen
water and Energy
Carbon dioxide, water and energy
Carbon dioxide and energy
16915.Energy is released during
Citric acid → Isocitric acid
Isocitric acid → cis – Aconitic acid
Glucose 1- P → cis – Glucose 6-P
Pyruvate → Acetyl CoA
16916.Enzymes of oxydative phosphorylation found in
Endoplasmic reticulum
Chloroplast
Mitochondria
Golgi complex
16917.Enzymes taking part in glycolysis are present in
Mitochondria
Cytoplasm
Both Mitochondria and cytoplasm
Vacuole
16918.ETC and TCA enzymes occur in
Ribosomes
Endoplasmic reticulum
Mitochondria
Cytoplasm and nucleus
16919.The exchange of gases between inhaled air and blood is referred as ______.
Cellular respiration
External respiration
Internal respiration
Circulatory respiration
16920.Inner surface of the bronchi, bronchioles and fallopian tubes are lined by
Cubical epithelium
Columnar epithelium
Squamous epithelium
Ciliated epithelium
16921.Evolution of CO2 is more than intake of oxygen when
Socrose is respired
Glucose is respired
Organic acids are respired
Fats are respired
16922.FAD is electron acceptor during oxidation of
α – Ketoglutarate → Succinyl acid
Succinic acid → Fumaric acid
Succinyl CoA → Succinic acid
Fumaric acid → Malic acid
16971.It is not advisable to sleep under trees as
They release O2 at night
They release CO2 at night
They release both O2 and CO2 at night
They produce none of above
16972.Fermentation produces
Protein and acetic acid
Alcohol and lipoprotein
Alcohol, lactic acid, etc.
Ethers and acetones
16973.Fermentation products of yeast are
H2O + CO2
Methyl alcohol + CO2
Methyl alcohol + water
Ethyl alcohol +CO2
16974.Oxidative phosphorylation is production of
ATP in photosynthesis
NADH in photosynthesis
ATP in respiration
NADH in respiration
16977.Fructose 6 – phosphate is changed to fructose 1, 6-diphosphate by
Phosphoglycerate
Phosphatase
Phosphofructo – kinase
Enolase
16978.Which of the following process is used in the conversion of pyruvate to acetyl CoA
Oxidative decarboxylation
Oxidative dehydrogenation
Oxidation phosphorylation
Oxidation dehydration
16979.The organic acid formed last in aerobic respiration is
Citric acid
Pyruvic acid
Oxaloacetic acid
Phosphoglyceric acid
16980.Glycolysis is
C6H12O6 + 6O2 → 6CO2 + 6H2O
C6H12O6 + 6O2 → 2C2H5OH + 2H2O
C6H12O6 → 2C3H4O3 + 4H
C3H4O3 +NADH → C2H5OH + CO2 + NAD+
16981.Glycolysis is part of
Only anaerobic respiration
Krebs cycle
Only aerobic respiration
Both aerobic and anaerobic respiration
16982.Connectin link between EMP pathway and TCA cycle is
Pyruvic acid
Citric acid
Acetyl CO-A
Oxalosuccinic acid
16984.Pyruvic acid is formed at the end of
Calvin cycle
Glycolysis
Krebs cycle
Pentose phosphate pathway
16985.How may ATP will be produced during the production of 1 molecule of acetyl CoA from 1 molecule of pyruvic acid
3 ATP
5 ATP
8 ATP
38 ATP
16986.If carbon dioxide contents of the atmosphere is as high as 300 ppm
All plants will be killed
The plants would not grow properly
Plants would grow for some times and then die
The plant would thrive well
16987.If the nacked pea seeds ae kept in four respiratory flasks, they would germinate best in the flask which contains
Carbon dioxide
Oxygen
Hydrogen
Nitrogen
16988.In aerobic respiration, pyruvic acid is
Broken down to form a two- carbon fragment and CO2
A product of Krebs cycle
Formed when oxygen is available
Formed during protein breakdown
16989.In animal cells, the first stage of glucose breakdown is
Krebs cycle
Glycolysis
Oxidative phosphorylation
E.T.C.
16990.In fermenation, yeast secrets one of the following enzyme
Invertase
Zymase
Dehydrogenase
Anolase
16991.In glycolysis ultimately (or end product of glycolysis is)
Protein is converted into glucose
Glucose is converted into glycogen
Starch is converted into glucose
Glucose is converted into pyruvic acid
16994.In hexose monophosphate shunt, the number of CO2 molecules evolved is
Same as in glycolysis
Less than glycolysis
More than glycolysis
Much lesser than glycolysis
16995.In how many steps, CO2 is released in aerobic respiration of pyruvic acid
One
Six
Three
Twelve