16648.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
16649.Fermentation produces
Protein and acetic acid
Alcohol and lipoprotein
Alcohol, lactic acid, etc.
Ethers and acetones
16650.Fermentation products of yeast are
H2O + CO2
Methyl alcohol + CO2
Methyl alcohol + water
Ethyl alcohol +CO2
16651.Oxidative phosphorylation is production of
ATP in photosynthesis
NADH in photosynthesis
ATP in respiration
NADH in respiration
16654.Fructose 6 – phosphate is changed to fructose 1, 6-diphosphate by
Phosphoglycerate
Phosphatase
Phosphofructo – kinase
Enolase
16655.Which of the following process is used in the conversion of pyruvate to acetyl CoA
Oxidative decarboxylation
Oxidative dehydrogenation
Oxidation phosphorylation
Oxidation dehydration
16656.The organic acid formed last in aerobic respiration is
Citric acid
Pyruvic acid
Oxaloacetic acid
Phosphoglyceric acid
16657.Glycolysis is
C6H12O6 + 6O2 → 6CO2 + 6H2O
C6H12O6 + 6O2 → 2C2H5OH + 2H2O
C6H12O6 → 2C3H4O3 + 4H
C3H4O3 +NADH → C2H5OH + CO2 + NAD+
16658.Glycolysis is part of
Only anaerobic respiration
Krebs cycle
Only aerobic respiration
Both aerobic and anaerobic respiration
16659.Connectin link between EMP pathway and TCA cycle is
Pyruvic acid
Citric acid
Acetyl CO-A
Oxalosuccinic acid
16661.Pyruvic acid is formed at the end of
Calvin cycle
Glycolysis
Krebs cycle
Pentose phosphate pathway
16662.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
16663.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
16664.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
16665.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
16666.In animal cells, the first stage of glucose breakdown is
Krebs cycle
Glycolysis
Oxidative phosphorylation
E.T.C.
16667.In fermenation, yeast secrets one of the following enzyme
Invertase
Zymase
Dehydrogenase
Anolase
16668.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
16671.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
16672.In how many steps, CO2 is released in aerobic respiration of pyruvic acid
One
Six
Three
Twelve
16675.In oxidative phosphorylation, oxidation and phosphorylation take place simultaneously and form
NADP
DPN
Pyruvic acid
ATP
16676.A 5-carbon compound of Krebs cycle is a key compound in nitrogen metabolism. It is
Citric acid
Oxalosuccinic acid
a – Ketoglutaric acid
Fumaric acid
16677.Incomplete oxidation of glucose into pyruvic acid with several intermediate steps is known as
TCA – pathway
Glycolysis
HMS-pathway
Krebs cycle
16682.Krebs cycle is component of
Photosynthesis
Aerobic respiration
Anaerobic respiration
Photorespiration.
16683.Krebs cycle is found in
Anaerobic respiration
Photorespiration
Aerobic respiration
Photosynthesis
16684.Dissociation curve shifts to the right when
CO2 concentration decreases
CO2 concentration increases
O2 concentration decrease
Cl− concentration increase
16686.The atom within each cytochrome molecule that actually accept and releases electron is
C
Fe
Zn
Mg
16688.Largest amount of phosphate bond energy is produced in the process of respiration during
Glycolysis
Krebs cycle
Anerobic respiration
None of the above
16690.Make suitable pairing
(A) Glycolysis (a) Mitochondria
(B) Krebs cycle (b) Cytoplamic matrix
(C) Electron transport chain
(A) Glycolysis (a) Mitochondria
(B) Krebs cycle (b) Cytoplamic matrix
(C) Electron transport chain
Aa, Bb, Cb
Ab, Ba, Ca
Aa, Bb, Cb
Ab, Bb, Ca
16691.Metabolic water is the one that is
Used during photosynthesis
Produced during polymerisation
Produced during transamination
Formed during aerobic utilization of glucose
16692.Amount of air in the lungs that remains after deep breathing is called ______.
Dead space
Residual volume
Vital capacity
Ventilation rate
16694.Most of the energy in the cells is liberated by oxidation of carbohydrates when
Pyruvic acid is converted into CO2 and H2O
Pyruvic acid is converted into acetyl CoA
Sugar is converted into pyruvic aicd
Glucose is converted into alcohol and CO2
16695.NAD of Krebs cycle functions as
Acceptor of hydrogen ion and electrons
Oxygen acceptor
Oxygen donor
Donor of phosphate Ions
16697.No carbon dioxide is given out by green plants during the day because they
Consume it in photosynthesis
Do not respire
Respire very slowly
Store the carbon dioxide