Content text 14. RESPIRATION IN PLANTS.pdf
PAPER 1 (1.) Given below are two statements : Statement I : In respiration energy of oxidation reduction utilised for phosphorylation Statement II : Number of ATP synthesised depends on nature of electron donor Choose the correct answer from the options given below. (1) Both Statement I and Statement II are incorrect (2) Statement I is correct but Statement II is incorrect (3) Statement I is incorrect but Statement II is correct (4) Both, Statement I and Statement II are correct (2.) Given below are two statements : Statement I : Organism like some bacteria pyruvic acid is convert to CO2 and lactic acid Statement II : ATP is not synthesised during the conversion of PEP to puruvic acid Choose the correct answer from the options given below. (1) Both Statement I and Statement II are incorrect (2) Statement I is correct but Statement II is incorrect (3) Statement I is incorrect but Statement II is correct (4) Both, Statement I and Statement II are correct (3.) In given figure A and B are component of which complex : (1) Complex I (2) Complex III (3) Complex V (4) Complex II (4.) Which one of the following process releases a carbon dioxide molecule: (1) Glycolysis (2) Lactic acid fermentation (3) Alcoholic fermentation (4) Both 2 and 3 (5.) How many NADH H+ + will be produced during the production of molecule of acetyl CoA from two molecule of pyruvic acid : (1) 1NADH H+ + (2) 2NADH H+ + (3) 3NADH H+ + (4) 4NADH H+ +
(6.) In ETS, complex-V is : (1) NADH dehydrogenase (2) ATP synthase (3) Succinate dehydrogenase (4) Ubiquinone (7.) Given below are two statements : Statement I : Ubiquinol is oxidised with the transfer of electrons to cytochrom c via cytochrome bc 1 complex Statement-II : Cytochrome c oxidase complex contain cytochromes a and 3 a and two copper centres. Choose the correct answer from the option given below: (1) Both Statement I and Statement II are incorrect (2) Statement I is correct but Statement II is incorrect (3) Statement I is incorrect but Statement II is correct (4) Both Statement I and Statement II are correct (8.) Which one of the following is not included in glycolysis: (1) Substrate level phosphorylation occurs (2) The end products are CO2 and HO2 . (3) ATP is formed. (4) ATP is used. (9.) Out of 38 molecules of ATP produced during aerobic respiration of glucose, the net ATP production (directly or indirectly) in glycolysis (A), pyruvate to acetyl Co-A formation (B) and Kreb's cycle (C) is : (1) A B C = = = 1, 6, 30 (2) A 8, B 6,C 24 = = = (3) A B C = = = 8, 10, 20 (4) A 2, B 12,C 24 = = = (10.) Which of the following compounds enter in the glycolytic pathway: (1) Glucose (2) Fructose (3) Sucrose (4) Both 1 and 2 (11.) Starting from sucrose upto the production of glucose-6-phosphate, which enzyme(s) is/are involved: (a) Invertase (b) Hexokinase (c) Isomerase (d) Kinase (1) ab, (2) a, c (3) b, c (4) a, b, c (12.) The process by which partial oxidation of glucose occurs: (1) Kreb's cycle (2) E.T.S (3) Both (1) and (2) (4) Glycolysis
(13.) Enzymes which catalyze the conversion of pyruvic acid into CO2 and ethanol in fermentation are (1) Pyruvic acid decarboxylase (2) Alcohol dehydrogenase (3) Both (1) and (2) (4) Hexokinase (14.) Substrate level phosphorylation occurs in glycolysis when there is conversion of (1) BPGA → PGA and phosphoglycerate → PEP (2) BPGA → PGA and PEP → Pyruvic acid (3) Fructose-6-phosphate → Fructose 1,6-biphosphate (4) Glucose → Glucose-6-phosphate (15.) At how many places in the kreb cycle is NAD + reduced to NADH H+ + , and FAD+ reduced to FADH2 , respectively: (1) One and three (2) Three and one (3) Four and one (4) Three and two (16.) What happens when succinyl-CoA is converted into succinic acid (1) Reduction of NAD+ to NADH H+ + (2) Conversion of NADH H+ + to NAD+ (3) Conversion of FAD + to FADH2 (4) Conversion of GDP+IP to GTP (17.) Total indirect ATP synthesized in glycolysis : (1) 2 (2) 4 (3) 6 (4) 8 (18.) During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP (1) Conversion ofpyruric acid to acetyl Co A (2) Electron transport chain (3) Glycolysis (4) Krebs cycle (19.) In which one of the following do the two names refer to one and the same thing : (1) Kreb's cycle and Calvin cycle (2) Tricarboxylic acid cycle and citric acid cycle (3) Citric acid cycle and Calvin cycle (4) Tricarboxylic acid cycle and urea cycle (20.) R.Q. of maturing fatty seeds will be (1) 1 (2) More than one (3) 0 (4) 0.7 (21.) How many ATP molecules produced by aerobic oxidation of one molecule of glucose :
(1) 2 (2) 4 (3) 38 (4) 34 (22.) Direct gain of ATP from one mole of glucose during glycolysis or EMP pathaway (1) 2ATP (2) 6 ATP (3) 36 ATP (4) 38 ATP (23.) In kreb's cycle two successive steps of decarboxylation, leading to the formation of ultimately (1) -ketoglutaric acid (2) Citrate (3) Isocitrate (4) Succinyl-CoA (24.) Substrate level phosphorylation in Kreb's cycle takes place in between (1) Citrate to isocitrate. (2) -ketoglutaric acid to succinyl-CoA (3) Conversion of succinyl-CoA to succinic acid (4) Succinic acid to fumaric acid (25.) RQ of this reaction 2 C H O 145O 102CO 98H O Energy, ( 51 98 6 2 2 2 ) + + + ⎯⎯→ would be (1) One (2) Less than one (3) Infinite (4) More than one (26.) Electrons from NADH produced in the mitochondrial matrix during citrtc acid cycle are oxidised by (1) NADH dehydrogenase (complex I) (2) FADH2 (complex II) (3) Ubiquinone (ubiquinol) (4) Cytochromebc complex (complex III) (27.) Cytochrome c is found between, in ETS (1) Complex I and II (2) Complex II and III (3) Complex III and IV. (4) Complex IV and V (28.) Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R) Assertion (A) : Respiratory pathway is considered as an amphibolic pathway Reason (R) : It involves both anabolism and catabolism. choose the correct answer from the options given below : (1) Both (A) and (R) are correct but (R) is not the correct explanation of ( A) (2) (A) is correct but (R) is not correct (3) (A) is not correct but (R) is correct (4) Both (A) and (R) are correct and (R) is the correct explanation of (A)