Description : In respiration, energy of oxidation reduction is utilised for the production of proton gradient required for phosphorylation.
Last Answer : In respiration, energy of oxidation reduction is utilised for the production of proton gradient required for phosphorylation.
Description : The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that adenosine triphosphate (ATP) is formed because (a) a proton gradient forms across the inner membrane (b) there is a ... mitochondrial proteins (d) ADP is pumped out of the matrix into the intermembrane space.
Last Answer : (a) a proton gradient forms across the inner membrane
Description : Coenzymes are required in which of the following reactions? (A) Oxidation-reduction (B) Transamination (C) Phosphorylation (D) All of these
Last Answer : Answer : D
Description : Most of the energy in aerobic respiration of glucose is captured by A- substrate-level phosphorylation B- electron transport of electrons from NADH C- long-chain fatty acid oxidation D- the enzyme formic-hydrogen lyase
Last Answer : electron transport of electrons from NADH
Description : Oxidative phosphorylation is production of (a) ATP in photosynthesis (b) NADPH in photosynthesis (c) ATP in respiration (d) NADH in respiration
Last Answer : (c) ATP in respiration
Description : A flow net may be utilised for the determination of (A) Exit gradient (B) Seepage (C) Hydrostatic pressure (D) All the above
Last Answer : Answer: Option D
Description : In which of the following conversions all the three oxygen atoms of `O_(3)` molecules are utilised for oxidation: I. Ferrous oxide to ferric oxide II.
Last Answer : In which of the following conversions all the three oxygen atoms of `O_(3)` molecules are utilised for ... and IV only D. II, III and IV only
Description : Respiration as cellular oxidation and reduction? -Biology
Last Answer : answer:
Description : Respiration is (1) oxidation (2) reduction (3) hydrolysis (4) amination
Last Answer : oxidation
Description : The following are true about the oxidation of glucose: a. glycolysis produces 3% of the energy ultimately obtained from glucose b. the first stage of glycolysis involves phosphorylation of glucose to 1,6-fructose biphosphate. c. glucose enters the Kreb's cycle as pyruvate d. all above
Last Answer : all above
Description : Oxidative phosphorylation is (a) formation of ATP by transfer of phosphate group from a substrate to ADP (b) oxidation of phosphate group in ATP (c) addition of phosphate group to ATP (d) formation of ATP by energy released from electrons removed during substrate oxidation.
Last Answer : (d) formation of ATP by energy released from electrons removed during substrate oxidation.
Description : The acquisition energy by glucose fermentation requires A.substrate-level phosphorylation B.electron transport of electrons from NADH C.long-chain fatty acid oxidation D.the enzyme formic-hydrogen lyase
Last Answer : A.substrate-level phosphorylation
Description : What is the role of NADP reductase enzyme in proton gradient development? -Biology
Description : Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on (a) membrane potential (b) accumulation of Na+ ions (c) accumulation of K+ ions (d) proton gradient.
Last Answer : (d) proton gradient
Description : The coupling of oxidation and phosphorylation in intact mitochondria: (A) Puromycin (B) Oligomycin (C) Streptomycin (D) Gentamycin
Last Answer : Answer : B
Description : The number of ATP produced in the oxidation of 1 molecule of NADPH in oxidative phosphorylation is (A) Zero (B) 2 (C) 3 (D) 4
Last Answer : Answer : A
Description : Brown adipose tissue is characterized by which of the following? (A) Present in large quantities in adult humans (B) Mitochondrial content higher than white adipose tissue (C) Oxidation and phosphorylation are tightly coupled (D) Absent in hibernating animals
Description : All the following statements about brown adipose tissue are true except (A) It is rich in cytochromes (B) It oxidizes glucose and fatty acids (C) Oxidation and phosphorylation are tightly coupled in it (D) Dinitrophenol has no effect on it
Last Answer : Answer : C
Description : Tissues form lactic acid from glucose. This phenomenon is termed as (A) Aerobic glycolysis (B) Oxidation (C) Oxidative phosphorylation (D) Anaerobic glycolysis
Last Answer : D
Description : Absorbed of water against a concentration gradient by using energy released from respiration is called as
Last Answer : Ans. Active absorption
Description : The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is (A) Alumina (B) Silica gel (C) Platinum (D) Nickel
Last Answer : (A) Alumina
Description : Anaerobic respiration is a. Respiration using electron acceptors other than molecular oxygen b. Respiration using neutron acceptors other than molecular hydrogen c. Respiration using proton acceptors other than molecular nitrogen d. None of the above
Last Answer : a. Respiration using electron acceptors other than molecular oxygen
Description : Pick out the wrong statement pertaining to the roll crushers. (A) Maximum feed size determines the required roll diameter (B) For hard material's crushing, the reduction ratio should not ... ratio and differential roll speed affect production rate & energy consumed per unit of surface produced
Last Answer : (C) Both the rolls run necessarily at the same speed
Description : ATP acts as the energy currency of the cell because it is broken down whenever (and wherever) energy needs to be utilised.
Last Answer : ATP acts as the energy currency of the cell because it is broken down whenever (and wherever) energy needs to be utilised.
Description : In the process of activation of amino acids for protein synthesis, the number of high energy phosphate bond equivalent utilised is (A) 0 (B) 1 (C) 2 (D) 4
Description : Geothermal energy is maximum utilised in - (1) Iceland (2) New Zealand (3) Russia (4) Japan
Last Answer : (1) Iceland Explanation: Iceland is a pioneer in the use of geothermal energy for space heating. Five major geothermal power plants exist in Iceland, which produce approximately 26.2% (2010) of the nation ... around 90% of Iceland's homes, and keeps pavements and car parks snow-free in the winter.
Description : Geothermal energy is maximum utilised in (1) Iceland (2) New Zealand (3) Russia (4) Japan
Last Answer : Iceland
Description : In non shivering thermogenesis (A) Glucose is oxidized to lactate (B) Fatty acids uncouple oxidative phosphorylation (C) Ethanol is formed (D) ATP is burned for heat production
Description : Which of the following regulates lipolysis in adipocytes? (A) Activation of fatty acid synthesis mediated by CAMP (B) Glycerol phosphorylation to prevent futile esterification of fatty acids (C) ... result of hormone stimulated increases in CAMP levels (D) Activation of CAMP production by Insulin
Description : Boundary layer separation is caused by the (A) Reduction of pressure to vapour pressure (B) Boundary layer thickness reducing to zero (C) Adverse pressure gradient (D) Reduction of pressure gradient to zero
Last Answer : (D) Reduction of pressure gradient to zero
Description : Boundary layer separation is caused by the (A) Reduction of pressure below vapour pressure (B) Reduction of pressure gradient to zero (C) Adverse pressure gradient (D) Reduction of boundary layer thickness to zero
Last Answer : (C) Adverse pressure gradient
Description : Reduction of load capacity in a ruling gradient of (A) 1 in 10, is 10% (B) 1 in 15, is 15% (C) 1 in 20, is 10% (D) 1 in 25, is 25%
Last Answer : Answer: Option C
Description : If D is the degree of a curve, the percentage reduction of gradient, is (A) 0.01 D (B) 0.02 D (C) 0.03 D (D) 0.04 D
Description : To compensate the loss of tractive force of vehicles along curves of radius R, the percentage reduction of gradient, is (A) 50/R (B) 75/R (C) 100/R (D) 125/R
Last Answer : Answer: Option B
Description : The best compromise between the increase of the length of a highway and reduction in its load carrying capacity, is the ruling gradient (A) 1 in 10 (B) 1 in 15 (C) 1 in 20 (D) 1 in 25
Description : During decomposition, energy is absorbed in the form of heat, light or electricity for breaking down the reactants which is known as: (a) exothermic reaction (b) endothermic reaction (c) reduction reaction (d) oxidation
Last Answer : (b) endothermic reaction
Description : What are resources which are found in a region but have not been utilised called? -SST 10th
Last Answer : Potential resources.
Description : Oxygen is utilised by the organism to (a)_____ breakdown nutrietns molecules the (b)_____ and to derive (c)______ for performing various activities
Last Answer : Oxygen is utilised by the organism to (a)_____ breakdown nutrietns molecules the (b)_____ and to derive (c)______ for performing various activities
Description : Observe the given figure of Calvin cycle and ifnd the name of steps and number of ATP and NADPH utilised in them for one molecule of `CO_(2)`
Last Answer : Observe the given figure of Calvin cycle and ifnd the name of steps and number of ATP and NADPH utilised in them for one molecule of `CO_(2)`
Description : Derive an Ideal gas equation. Mention the terms involved in it. Also write how it is utilised to obtain combined gas law.
Last Answer : Derive an Ideal gas equation. Mention the terms involved in it. Also write how it is utilised to obtain combined gas law.
Description : Biological value of a protein is (A) The percentage of ingested protein/nitrogen absorbed into circulation (B) The percentage of ingested protein/nitrogen in the body (C) The percentage of ingested protein utilised ... synthesis in the body (D) The gain in body weight (gm) per gm of protein ingested
Description : Lactate formed in muscles can be utilised through (A) Rapoport-Luebeling cycle (B) Glucose-alanine cycle (C) Cori’s cycle (D) Citric acid cycle
Last Answer : C
Description : Succinyl CoA is utilised for what purposes?
Last Answer : Porphyrin biosynthesis, activation of acetoacetate, and oxidation in TCA cycle.
Description : The following are the advantages of the conventional methods of irrigation a. Low cost of construction b. Animals used for ploughing are utilised for drawing water c. Water can be lifted from great depths d. All of the above
Last Answer : d. All of the above
Description : If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst (A) Porosity is very important (B) Porosity is of less importance (C) Internal surface area is utilised efficiently (D) None of these
Last Answer : (B) Porosity is of less importance
Description : 19. In the manufacturing of lead shots, the property of surface tension is utilised. A) Agree B) Disagree
Last Answer : A
Description : Premium received on issue of shares cannot be utilised for ---------. A. for the issue of bonus shares B. for writing of preliminary expenses C. for providing premium payable on redemption D. for distribution of dividend
Last Answer : D. for distribution of dividend
Description : The use of tractor is considered economical when it is utilised for (A) 800hrs/year (B)1000hrs/year (C)1200hrs/year (D)1400hrs/year
Last Answer : (B)1000hrs/year