16700.During anaerobic respiration, decarboxylation reaction occurs in
Cytoplasm
Mitochondrial matrix
Cristae
F1 particles
16701.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
16702.Out of 38 ATP molecules produced per glucose, 34 ATP molecules are formed from NADH/FADH2 in
Respiratory chain
Krebs cycle
Oxidative decarboxylation
EMP
16703.Oxidation of pyruvate to CO2 and H2O occurs through
citric acid cycle
Tricarboxylic cycle
Krebs cycle
All the above
16704.Oxidative phosphorylation is the formation of
NADPH2 in respiration
ATP in respiration
NADPH2 in photosynthesis
ATP in photosynthesis
16705.Oxidative phosphorylation occurs in
Outer membrane of mitochondria
Inner membrane of mitochondira
Stroma of chloroplast
Grana of chloroplast
16706.Photorespiration is favoured by
Low light and high O2
Low O2 nad high CO2
Low temperature and high O2
High O2 and low CO2
16707.Photorespiration takes place only in
Green parts of the plant
All the living cells of the plant
Mitochondria
Roof
16708.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.
16709.Pyruvic dehydrogenase is used in converitng
Pyruvic acid to acetyl co-enzyme A
Pyruvate to glucose
glucose to Pyruvate
Pyruvic acid to lactic acid
16711.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
16712.The enzyme which converts glucose to glucose 6-phosphate is
Phosphorylase
Glucose- 6- phosphatase
Hexokinase
Glucose synthetase
16713.The enzymes which take part in glycolysis are found in
Mitochondria
Cytoplasm
Mitochondria and cytoplasm
Vacuoles
16714.The formation of acetyl coenzyme-A from pyruvic acid is the result of its
Reduction
Dehydration
Dephosphorylation
Oxidative decarboxylation
16717.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
16718.Inner membrane involutions of a mitochondria are called
Lamellae
Cristae mitochondriales
Thylakoid
Tubules
16719.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
16720.The membrane bound enzyme involved in Krebs cycle is
Malate dehydrogenase
Fumarase
Cis acotinase
Succinic dehydgenase
16721.The net gain of energy from one gram mole of glucose during aerobic respiration is
2 ATP
4 ATP
38 ATP
40 ATP
16722.The number of molecules of pyruvic acid formed from one molecule of glucose at the end of glycolysis is
1
2
3
4
16723.The plants similar to animals in their requirement of oxygen for cellular respiration belong to
Red algae
Blue-green algae
Fungi
Lichens
16724.The oxygen dissociation curve is shifted to the right by an increase in ______.
H+ concentration
PCO2
temperature
All of these
16725.The pyruvic acid formed in Glycolysis is oxidised to CO2 and H2O in a cycle called
Calvin cycle
Hill reaction
Krebs
Nitrogen cycle
16726.The rate of respiration of young maturing seeds is quite high but as water content decreases during further maturation, respiration
Remains high
Stops completely
Increases steadily
Decreases steadily
16727.The reactions of Krebs cycle take place
In the cytoplasm
In ER
In matrix of mitochondria
On the surface of mitochondria
16728.The tissue of highest respiratory activity is
Meristems
Ground tissue
Phloem
Mechanical tissue
16729.What is produced when succinyl CoA is changed to succinate?
ATP
GTP
CTP
ATP in plants and GTP in animals
16731.When a molecule of pyruvic acid is subjected to anaerobic oxidation and forms lactic acid, there is
Loss of 3 ATP , molecules
Loss of 6 ATP , molecules
Gain of 2 ATP , molecules
Gain of 4 ATP , molecules
16732.Raw material of respiration id
Glucose and CO2
Glucose and O2
Glucose and fructose
Glucose and surose
16733.Respiration differs from the process of combustion in the fact that
All the energy stored in glucose in released at once due to combustion
All energy stored in glucose is gradually released due to combustion
Comparatively large quantity of nergy is produced due to combustion
The carbohydrates act as the combustion substance
16735.Respiration is a process in which
Energy is used up
Energy is tored in the form of ATP
Energy is released and stored in the form of ATP
Energy is not released at all
16737.Respiratory enzymes are located in
Mitochondrial matrix (mitochondria)
Perimitochondiral space
Cristae
Outer membrane
16738.Sequence in Krebs cycle is
α- Ketoglutaric acid → Isocitric acid → Oxalosuccinic acid
Isocitric acid → Oxalosuccinic acid → α- Ketoglutaric acid
Isocitric acid → α- Ketoglutaric acid → Oxalosuccinic acid
Oxalosuccinic acid → Isocitric acid → α- Ketoglutaric acid
16740.Slow respiring plants or plant tissues are
Promeristems
Cambium
Leaf primordia and young plant
Adult plants and matured tissues
16741.Substrate phosphorylation occurs during
Fumaric acid → Malic acid
Oxalosuccinic acid → α- ketoglutaric acid
Succinic acid → Fumaric acid
a- ketoglu- taric acid → Succinic acid
16742.Terminal ccytochrome of respiratory chain which donates electrons to oxygen is
Cyt. b
Cyt. c
Cyt. a1
Cyt. a3
16744.The amount of energy released in complete oxidation of one molecule of glucose is
628 kcal
668 kcal
686 kcal
697 kcal
16745.The ATP molecules produced by glycolysis and acetylation in aerobic respiration including ETS are respectively
8 and 6
6 and 8
2 and 8
8 and 2
16747.The correct sequence of electron acceptor in ATP synthesis is
Cyt a, a, b, c
Cyt b, c, a, a3
Cyt b, a3, a
Cyt c, b, a, a3