You can search the internet for my other English Medium article as well. Gujarat Biology and India Biology You can also give tests from there. Also got the more information about NEET BIOLOGY
NEET BIOLOGY
Biology for NEET
Biology Short Notes
Biology Test
CBSE/ BOARD Examination
NEET CRASH COURSE PAPER -11 | Respiration In Plant
1.How many carbon atoms are there in substances labelled as P , Q , R and S respectively in the given representation of Krebs ' cycle ?
P Q R S
( a ) 4 3 6 4
( b ) 3 4 4 6
( c ) 4 3 4 6
( d ) 3 4 6 4
2. The given experimental set - up demonstrates
( a ) photosynthesis
( b ) aerobic respiration
( c ) anaerobic respiration
( d ) ascent of sap .
3. Select the correct option for A , B ,C, D
A B C D
( a ) fats - proteins - 3- PGAL- Acetyl CoA
( b ) fats - proteins - 3- PGAL - CO2
( c ) proteins - fats - Acetyl CoA - PEP
( d ) proteins - fats - PEP - Acetyl CoA
4. Select the wrong statement .
( a ) When tripalmitin is used as a substrate in respiration , the R.Q. is 0.7 .
( b ) The intermediate compound which links glycolysis with Kreb's cycle is malic acid .
( c ) The scheme of glycolysis was given by Embden , Meyerhof and Parnas .
( d ) One glucose molecule yields a net gain of 2 ATP molecules during fermentation .
5 . In which of the following steps of citric acid cycle , CO₂ is evolved ?
I. Citric acid - α - Ketoglutaric acid
II . Succinic acid - Malic acid
III . Malic acid - Oxaloacetic acid
IV . α - Ketoglutaric acid - Succinyl CoA
( a ) I and II only
( b ) I and IV only
( c ) II and III only
( d ) II and IV only
6. Out of 38 molecules of ATP produced upon aerobic respiration of glucose , the break up in ATP production in glycolysis ( P ) , pyruvate to acetyl - CoA formation ( Q ) and Krebs ' cycle ( R ) is as follows :
( a ) P = 2 , Q = 6 , R = 30
( b ) P = 8 , Q = 6 , R = 24
( c ) P = 8 , Q = 10 , R = 20
( d ) P = 2 , Q = 12 , R = 24
7. Which of the following respiratory pathways correctly shows the break - down of glucose ?
8. Select the correct difference between floating respiration and protoplasmic respiration .
Floating respiration Protoplasmic respiration
( a ) It is a rare mode of respiration . - It is a common mode of respiration .
( b ) The substrate is storage material only in some seeds . - The substrate is a
storage material which is hydrolysed for respiration .
( c ) Toxic products are not formed . - Toxic products like ammonia are produced .
( d ) It occurs only for some period . - It goes on indefinitely throughout the life cells .
9. Which of the following statements given below are true ?
( i ) Succinyl CoA , the intermediate substance of Krebs ' , cycle helps in the synthesis of chlorophyll molecules .
( ii ) Cytochrome c acts as a mobile carrier between complex III and complex IV of ETC.
( iii ) Acetyl CoA is the connecting link between aerobic and anaerobic respiration .( iv ) The pyruvate dehydrogenase complex requires Mg2 + as the cofactor for pyruvate oxidation .
( v ) 3ATP and 1H₂O are formed by the oxidation of a molecule of reduced FAD through ETC.
( a ) ( i ) , ( ii ) and ( iii )
( b ) ( i ) , ( iii ) and ( v )
( c ) ( i ) , ( ii ) and ( iv )
( d ) ( ii ) , ( iv ) and ( v )
10. In glycolysis , formation of ATP during the reactions 1,3 - biphosphoglyceric acid → 3 - phosphoglyceric acid and phosphoenol pyruvate → pyruvate is
( a ) oxidative phosphorylation
( b ) substrate level phosphorylation
( c ) respiratory phosphorylation
( d ) chemical phosphorylation .
11. Largest amount of phosphate bond energy is produced in the process of respiration during
( a ) glycolysis
( b ) Krebs ' cycle
( c ) fermentation
( d ) anaerobic respiration
12. Select the correct order of reactions in glycolysis .
A. Conversion of 3 - phosphoglyceraldehyde to 1,3 bisphos - phoglycerate
B. Conversion of 3 - phosphoglyceric acid to 2 - phospho - glycerate
C. Conversion of BPGA to 3 - phosphoglyceric acid
D. Splitting of fructose 1 , 6 - bisphosphate into dihydroxy acetone phosphate and 3 - phospho- glyceraldehyde
( a ) D , C , A , B
( b ) B , C , A , B
( c ) B , D , A , C
( d ) D , A , C , B.
13. Last electron acceptor in respiration is
( a ) 0₂
( b ) H₂
( c ) CO₂
( d ) NADH .
14. Activity of succinic dehydrogenase involves the following in TCA cycle
( a ) NAD
( b ) FAD
( c ) GDP
( d ) ATP .
15. Cellular respiration starts in
( a ) cytoplasm
( b ) mitochondria
( c ) chloroplasts
( d ) none of these .
16. Net gain of ATP for the oxidation of 1 hexose molecule during aerobic respiration is
( a ) 30
( b ) 32
( c ) 36
( d ) 35 .
17. In the conversion of pyruvic acid to acetyl coenzyme A , pyruvic acid is
( a ) oxidised
( b ) isomerised
( c ) reduced
( d ) broken into one - carbon fragment .
18. Which is the key intermediate , linking glycolysis to the Krebs ' cycle ?
( a ) ATP
( b ) NADP
( c ) Acetyl COA
( d ) Malic acid
19. Oxalosuccinic acid , an intermediary compound of Krebs ' cycle is a
( a ) 5 carbon compound
( b ) 6 carbon compound
( c ) 4 carbon compound
( d ) 3 carbon compound .
20. The TCA cycle is an oxidative pathway requiring oxygen for operation . The enzyme which consumes oxygen during the operation of the cycle is
( a ) α - ketoglutarate dehydrogenase
( b ) isocitrate dehydrogenase
( c ) aconitase
( d ) none of these .
21. In the Krebs ' cycle the FAD electron transport system operates during the conversion of
( a ) succinyl CoA succinic acid
( b ) α - ketoglutarate to succinyl CoA
( c ) succinic acid to fumaric acid
( d ) fumaric acid to malic acid .
22. Glycolysis consists of
( a ) ten enzymatic reactions that convert a six - carbon molecule of four - carbon pyruvate and result in a net gain of 4 ATP molecules
( b ) eight enzymatic reactions that convert a six - carbon molecule to four - carbon pyruvate and result in a net gain of 4 ATP molecules.
( c ) ten enzymatic reactions that convert a six - carbon molecules to three - carbon pyruvate and result in a net gain of 4 ATP molecules
( d ) eight enzymatic reactions that convert a six carbon molecules to three - carbon pyruvate and result in a net gain of 2 ATP molecules .
23. Acetyl CoA is produced from pyruvate by
( a ) oxidative decarboxylation
( b ) oxidative photophosphorylation
( c ) oxidative hydrogenation
( d ) oxidative photorespiration .
24. In Krebs ' cycle , a 6 - C compound is formed by combination of acetyl CoA and
( a ) succinic acid
( b ) malic acid
( c ) oxaloacetic acid
( d ) citric acid .
25. The following is a simplified scheme showing the fate of glucose during aerobic and anaerobic respiration . Identify the end products that are formed at stages indicated as A , B , C , and D. Identify the correct option from those given below .
Floating respiration Protoplasmic respiration
( a ) It is a rare mode of respiration . - It is a common mode of respiration .
( b ) The substrate is storage material only in some seeds . - The substrate is a
storage material which is hydrolysed for respiration .
( c ) Toxic products are not formed . - Toxic products like ammonia are produced .
( d ) It occurs only for some period . - It goes on indefinitely throughout the life cells .
9. Which of the following statements given below are true ?
( i ) Succinyl CoA , the intermediate substance of Krebs ' , cycle helps in the synthesis of chlorophyll molecules .
( ii ) Cytochrome c acts as a mobile carrier between complex III and complex IV of ETC.
( iii ) Acetyl CoA is the connecting link between aerobic and anaerobic respiration .( iv ) The pyruvate dehydrogenase complex requires Mg2 + as the cofactor for pyruvate oxidation .
( v ) 3ATP and 1H₂O are formed by the oxidation of a molecule of reduced FAD through ETC.
( a ) ( i ) , ( ii ) and ( iii )
( b ) ( i ) , ( iii ) and ( v )
( c ) ( i ) , ( ii ) and ( iv )
( d ) ( ii ) , ( iv ) and ( v )
10. In glycolysis , formation of ATP during the reactions 1,3 - biphosphoglyceric acid → 3 - phosphoglyceric acid and phosphoenol pyruvate → pyruvate is
( a ) oxidative phosphorylation
( b ) substrate level phosphorylation
( c ) respiratory phosphorylation
( d ) chemical phosphorylation .
11. Largest amount of phosphate bond energy is produced in the process of respiration during
( a ) glycolysis
( b ) Krebs ' cycle
( c ) fermentation
( d ) anaerobic respiration
12. Select the correct order of reactions in glycolysis .
A. Conversion of 3 - phosphoglyceraldehyde to 1,3 bisphos - phoglycerate
B. Conversion of 3 - phosphoglyceric acid to 2 - phospho - glycerate
C. Conversion of BPGA to 3 - phosphoglyceric acid
D. Splitting of fructose 1 , 6 - bisphosphate into dihydroxy acetone phosphate and 3 - phospho- glyceraldehyde
( a ) D , C , A , B
( b ) B , C , A , B
( c ) B , D , A , C
( d ) D , A , C , B.
13. Last electron acceptor in respiration is
( a ) 0₂
( b ) H₂
( c ) CO₂
( d ) NADH .
14. Activity of succinic dehydrogenase involves the following in TCA cycle
( a ) NAD
( b ) FAD
( c ) GDP
( d ) ATP .
15. Cellular respiration starts in
( a ) cytoplasm
( b ) mitochondria
( c ) chloroplasts
( d ) none of these .
16. Net gain of ATP for the oxidation of 1 hexose molecule during aerobic respiration is
( a ) 30
( b ) 32
( c ) 36
( d ) 35 .
17. In the conversion of pyruvic acid to acetyl coenzyme A , pyruvic acid is
( a ) oxidised
( b ) isomerised
( c ) reduced
( d ) broken into one - carbon fragment .
18. Which is the key intermediate , linking glycolysis to the Krebs ' cycle ?
( a ) ATP
( b ) NADP
( c ) Acetyl COA
( d ) Malic acid
19. Oxalosuccinic acid , an intermediary compound of Krebs ' cycle is a
( a ) 5 carbon compound
( b ) 6 carbon compound
( c ) 4 carbon compound
( d ) 3 carbon compound .
20. The TCA cycle is an oxidative pathway requiring oxygen for operation . The enzyme which consumes oxygen during the operation of the cycle is
( a ) α - ketoglutarate dehydrogenase
( b ) isocitrate dehydrogenase
( c ) aconitase
( d ) none of these .
21. In the Krebs ' cycle the FAD electron transport system operates during the conversion of
( a ) succinyl CoA succinic acid
( b ) α - ketoglutarate to succinyl CoA
( c ) succinic acid to fumaric acid
( d ) fumaric acid to malic acid .
22. Glycolysis consists of
( a ) ten enzymatic reactions that convert a six - carbon molecule of four - carbon pyruvate and result in a net gain of 4 ATP molecules
( b ) eight enzymatic reactions that convert a six - carbon molecule to four - carbon pyruvate and result in a net gain of 4 ATP molecules.
( c ) ten enzymatic reactions that convert a six - carbon molecules to three - carbon pyruvate and result in a net gain of 4 ATP molecules
( d ) eight enzymatic reactions that convert a six carbon molecules to three - carbon pyruvate and result in a net gain of 2 ATP molecules .
23. Acetyl CoA is produced from pyruvate by
( a ) oxidative decarboxylation
( b ) oxidative photophosphorylation
( c ) oxidative hydrogenation
( d ) oxidative photorespiration .
24. In Krebs ' cycle , a 6 - C compound is formed by combination of acetyl CoA and
( a ) succinic acid
( b ) malic acid
( c ) oxaloacetic acid
( d ) citric acid .
25. The following is a simplified scheme showing the fate of glucose during aerobic and anaerobic respiration . Identify the end products that are formed at stages indicated as A , B , C , and D. Identify the correct option from those given below .
( a ) A = carbon dioxide and water , B = pyruvic acid , C = ethyl alcohol and carbon dioxide , D = lactic acid
( b ) A = pyruvic acid , B = carbon dioxide and water , C = lactic acid , D = ethyl alcohol and carbon dioxide
( c ) A = pyruvic acid , B = carbon dioxide and water , C = ethyl alcohol and carbon dioxide , D = lactic acid ,
( d ) A = pyruvic acid , B = ethyl alcohol and carbon dioxide , Clactic acid , D = carbon dioxide and water .
26. Match the compounds given in column I with the number of the atoms present in them which are listed under column II . Choose the answer which are the correct combination of alphabets of the two columns
Column I Column II
A. Oxaloacetate P. 2 - C compound
B. Phosphoglyceral- dehyde q. 5 - C compound
C. Phosphoenol pyruvic acid ( PEP ) r . 4 - C compoundgd
D. α - ketoglutarate s. 3 - C compound
( a ) A = r , B = s , C = p , D = q
( b ) A = q , B = s , C = p , D = r
( c ) A = s , B = p , C = q , D = r
( d ) A = r , B = s , C = p , D = q
27. Enzymes of Krebs ' or TCA cycle are located in the matrix of mitochondria except one which is located in the inner mitochondrial membrane . Name the enzyme
( a ) citrate synthetase
( b ) α - keto glutarate dehydrogenase
( c ) succinate dehydrogenase
( d ) malate dehydrogenase .
28. Aerobic respiratory pathway is appropriately termed
( a ) parabolic
( b ) amphibolic
( c ) anabolic
( d ) catabolic .
29. Match the column I and column II for organismic respiration .
Column I Column II
A. Respiration in bacteria ( i ) Mitochondria
B. Respiration in cyanobacteria ( ii ) Cytoplasmic membrane
C. Respiration in eukaryotic cells ( iii ) Mesosomes
( a ) A- ( ii ) , B- ( iii ) , C- ( i )
( b ) A- ( iii ) , B- ( ii ) , C- ( i )
( c ) A- ( i ) , B- ( iii ) , C- ( ii )
( d ) A- ( ii ) , B- ( i ) , C- ( iii )
30. How many ATPs are produced when one molecule of FADH₂ is oxidised to FAD through electron transport system ?
( a ) 2
( b ) 3
( c ) 1
( d ) 4
31. Respiratory quotient ( R.Q ) , during early stages of germination of castor seed , is
( a ) zero
( b ) less than one
( c ) one
( d ) more than one .
32. The number of glucose molecules required to produce 38 ATP molecules under anaerobic conditions by any yeast cell is
( a ) 1
( b ) 2
( c ) 19
( d ) 38 .
33. The following is a scheme showing the electron transport system . Identify the electron carrier molecules indicated as A and B. Choose the correct option .
( a ) A = coenzyme Q B = cytochrome c
( b ) A = cytochrome C , B = coenzyme Q
( c ) A = Fe - S protein , B = FMN
( d ) A = FMN , B = Fe - S protein
34. The crucial events in aerobic respiration are
( a ) the complete oxidation of pyruvate by the stepwise removal of all the hydrogen atoms leaving three molecules of CO₂
( b ) the passing on of the electrons removed as part of the hydrogen atoms to molecular O₂ with stimultaneous synthesis of ATP
( c ) both ( a ) and ( b )
( d ) none of these .
35. ETS is present in which region of mitochondria?
( a ) F₁ particle
( b ) F0 particle
( c ) F0 - F₁ particle
( d ) Inner mitochondrial membrane
36. FAD acts as an electron acceptor in between
( a ) fumaric and malic acid
( b ) succinic and fumaric acid
( c ) malic and oxaloacetic acid
( d ) citric and isocitric acid .
37. When tripalmitin is used as a substrate in respiration ,the R.Q. is
( a ) > 1
( b ) 1.0
( c ) 0.9
( d ) 0.7 .
38. The mobile electron carrier of membrane is mitochondrial
( a ) Cyt a3
( b ) Fes
( c ) CoQ
( d ) Cyt C₁ .
39. In citric acid cycle , the step which is not mediated by dehydrogenase enzyme is
( a ) oxaloacetic acid to citric acid
( b ) citric acid to a - ketoglutaric acid
( c ) succinic acid to fumaric acid
( d ) malic acid to oxaloacetic acid .
40. The three boxes in this diagram represent the three major biosynthetic pathways in aerobic respiration . Arrows represent net reactants or products .
Arrows numbered 4 , 8 and 12 can all be
( a ) H₂O
( b ) FAD + or FADH₂
( c ) NADH
( d ) ATP .
41. Consider the following statements with respect to respiration .
A. Glycolysis occurs in the cytoplasm of the cell .
B. Aerobic respiration takes place within the mitochondria .
C. Electron transport system is present in the outer mitochondrial membrane .
D. C51H98O6 is the chemical formula of Tripalmitin , a fatty acid .
E. Respiratory quotient = Volume of O₂ evolved
Volume of CO₂ consumed
Of the above statements
( a ) A , B and D alone are correct
( b ) B , C and D alone are correct
( c ) C , D and E alone are correct
( d ) B , D and E alone are correct .
42. During movement of electron through ETC
( a ) pH of matrix increases
( b ) electrons are transported by active transport
( c ) electrons are resonated
( d ) electrons show fluoroscence .
43. Energy equivalent of a NADH is which of the following numbers of ATP molecules ?
( a ) 2
( b ) 3
( c ) 38
( d ) 36
44. Given below is an electron acceptor . Mention its status , which is labelled as A.
( a ) Oxidised
( b ) Reduced
( c ) Phosphorylated
( d ) Hydrated
45. R.Q is infinite in
( a ) aerobic respiration
( b ) anaerobic respiration
( c ) carbohydrates
( d ) none of these .
===== Connecting With Me For More Knowledge Of Biology =====
Ans key
1. D, 2.C, 3.A, 4.B, 5.B, 6.B, 7.D, 8.C, 9.C, 10.B, 11.B, 12.D, 13.A, 14.B, 15.A, 16.C, 17.A, 18.C, 19.B, 20.D, 21.C, 22.D, 23.A, 24.C, 25.B, 26.D, 27.C, 28.B, 29.B, 30.A, 31.B, 32.C, 33.A, 34.C, 35.D, 36.B, 37.D, 38.C, 39.A, 40.D, 41.A, 42.A, 43.B, 44.A, 45.B
Download My App just search - Gujarat Biology NEET PLUS on google play store
Link 👇
NEET BIOLOGY
Biology for NEET
Biology Short Notes
Biology Test
CBSE/ BOARD Examination
MANISH MEVADA
M.Sc, M.Phil, B.Ed
GUJARAT BIOLOGY NEET
NEET MATERIAL IN GUJARATI
KNOWLEDGE ON THE WAY.
Please Do Not enter any sparm link in comment box