16998.In oxidative phosphorylation, oxidation and phosphorylation take place simultaneously and form
NADP
DPN
Pyruvic acid
ATP
16999.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
17000.Incomplete oxidation of glucose into pyruvic acid with several intermediate steps is known as
TCA – pathway
Glycolysis
HMS-pathway
Krebs cycle
17005.Krebs cycle is component of
Photosynthesis
Aerobic respiration
Anaerobic respiration
Photorespiration.
17006.Krebs cycle is found in
Anaerobic respiration
Photorespiration
Aerobic respiration
Photosynthesis
17007.Dissociation curve shifts to the right when
CO2 concentration decreases
CO2 concentration increases
O2 concentration decrease
Cl− concentration increase
17009.The atom within each cytochrome molecule that actually accept and releases electron is
C
Fe
Zn
Mg
17011.Largest amount of phosphate bond energy is produced in the process of respiration during
Glycolysis
Krebs cycle
Anerobic respiration
None of the above
17013.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
17014.Metabolic water is the one that is
Used during photosynthesis
Produced during polymerisation
Produced during transamination
Formed during aerobic utilization of glucose
17015.Amount of air in the lungs that remains after deep breathing is called ______.
Dead space
Residual volume
Vital capacity
Ventilation rate
17017.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
17018.NAD of Krebs cycle functions as
Acceptor of hydrogen ion and electrons
Oxygen acceptor
Oxygen donor
Donor of phosphate Ions
17020.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
17023.During anaerobic respiration, decarboxylation reaction occurs in
Cytoplasm
Mitochondrial matrix
Cristae
F1 particles
17024.Out of 36 ATP molecules produced per glucose molecule during respiration
2 are produced outside glycolysis and 34 during respiratory chain
2 are produced outside Mitochondria and 34 inside Mitochondria
2 during glycolysis and 34 during Krebs cycle
All are formed inside mirochondria
17025.Out of 38 ATP molecules produced per glucose, 34 ATP molecules are formed from NADH/FADH2 in
Respiratory chain
Krebs cycle
Oxidative decarboxylation
EMP
17026.Oxidation of pyruvate to CO2 and H2O occurs through
citric acid cycle
Tricarboxylic cycle
Krebs cycle
All the above
17027.Oxidative phosphorylation is the formation of
NADPH2 in respiration
ATP in respiration
NADPH2 in photosynthesis
ATP in photosynthesis
17028.Oxidative phosphorylation occurs in
Outer membrane of mitochondria
Inner membrane of mitochondira
Stroma of chloroplast
Grana of chloroplast
17029.Photorespiration is favoured by
Low light and high O2
Low O2 nad high CO2
Low temperature and high O2
High O2 and low CO2
17030.Photorespiration takes place only in
Green parts of the plant
All the living cells of the plant
Mitochondria
Roof
17031.Pyruvate (pyruvic acid) dehydrogenase is used in conveting
Pyruvate to glucose
Glucose to pyruvate
Pyuvic acid to lactic acid
Pyruvate (pyruvic acid) to acetyl CoA.
17032.Pyruvic dehydrogenase is used in converitng
Pyruvic acid to acetyl co-enzyme A
Pyruvate to glucose
glucose to Pyruvate
Pyruvic acid to lactic acid
17034.The energy yield as a result of total oxidation of one molecule of glucose during cellular respiration is sufficient to convert
30 molecules of ADP to 30 molecules of ATP
32 molecules of ADP to 32 molecules of ATP
36 molecules of ADP to 36 molecules of ATP
38 molecules of ADP to 38 molecules of ATP
17035.The enzyme which converts glucose to glucose 6-phosphate is
Phosphorylase
Glucose- 6- phosphatase
Hexokinase
Glucose synthetase
17036.The enzymes which take part in glycolysis are found in
Mitochondria
Cytoplasm
Mitochondria and cytoplasm
Vacuoles
17037.The formation of acetyl coenzyme-A from pyruvic acid is the result of its
Reduction
Dehydration
Dephosphorylation
Oxidative decarboxylation
17040.The respiratory membrane, through which gas must diffuse, consists of the followings EXCEPT:
Alveolar cells and endothelial cells of the capillary
Lymphatic vessel basement membrane
Epithelial basement membrane
Capillary basement membrane
17041.Inner membrane involutions of a mitochondria are called
Lamellae
Cristae mitochondriales
Thylakoid
Tubules
17042.The maximum potential difference between the electron carries required for ATP synthesis is
0.05 ev
0.15 ev
0.27 ev
0.45 ev
17043.The membrane bound enzyme involved in Krebs cycle is
Malate dehydrogenase
Fumarase
Cis acotinase
Succinic dehydgenase
17044.The net gain of energy from one gram mole of glucose during aerobic respiration is
2 ATP
4 ATP
38 ATP
40 ATP
17045.The number of molecules of pyruvic acid formed from one molecule of glucose at the end of glycolysis is
1
2
3
4