Quiznetik

Biology | Set 36

1. Respiratory quotient and compensation point are

Correct : A. Not related

2. RQ = l, is

Correct : B. The amount of O2, consumed and CO2 released are the same

3. If RQ is 0.7, the substance needs

Correct : A. More O2 for respiration

4. The site of occurrance of all reactions of PPP is

Correct : A. Cytosol

5. The process occurring during Kreb’s cycle is

Correct : B. Decarboxylation, dehydrogenation and phosphorylation

6. During glycolysis water is released from

Correct : A. 2, Phospoglyceric acid

7. When human muscle contracts :

Correct : B. Anaerobic respiration occurs, if supply of oxygen is insufficient

8. The correct sequence of the three processes of aerobic respiration is

Correct : A. Glycolysis, Kreb’s cycle, oxidative phosphorylation.

9. During PPP, RuBP is formed in

Correct : B. Cytosol

10. The number of ATP molecules formed in oxidative phosphorylation of one glucose molecule

Correct : D. 34

11. The number of ATP molecules formed in oxidative phosphorylation of 1 pyruvic acid

Correct : B. 14

12. How much energy spent in transport of one pyruvic acid to mitochondrion ?

Correct : A. Energy of 1 ATP

13. In anaerobic respiration in plants (CM.C 1983, CPM.T. 1992)

Correct : C. Carbon dioxide is released

14. Krebs cycle takes place in (CPMT. 1985, 1999, M.P.P.M.T. 1997, AMU. 2000, AFMC 2002, RPMT. 2005)

Correct : B. Mitochondria

15. By ETS, ATP-synthesis occurs on the (A.I.I.M.S. 1984)

Correct : B. Inner membrane of mitochondrion

16. Energy currency (reservoir) of the cells is (BHU 1984, Kerala 2001, AMU 2003, MPPMT 2002)

Correct : B. ATP

17. Complete oxidation of glucose into pyruvic acid with several intermediate steps is known as (C.B.S.E. 1988;B.H.U. 1986,1989)

Correct : B. Glycolysis

18. When a molecule of pyruvic acid is subjected to anaerobic oxidation and forms lactic acid, there is(RPMT. 1985 BHU. 1985)

Correct : A. Loss of 3 ATP molecule

19. Conversion of pyruvic acid into ethyl alcohol is facilitated by the enzyme (AMU. 1986)

Correct : C. Decarboxylase and dehydrogenase

20. RQ for fatty substance/fat is (DPMT 1985; Karnataka 1999)

Correct : B. Less than one

21. RQ for glucose carbohydrate is (D.PM.T. 1985, Bih. PMT. 1990, RPMT. 1996, Wardha2001)

Correct : A. 1

22. An indispensable role in energy metabolism is played by (D.PM.T. 1986)

Correct : B. Phosphorus

23. Instantaneous source of energy is {A.F.M.C. 1983)

Correct : A. Glucose

24. ATP equivalents produced during oxidation of succinate to fumarate for one glucose molecule is/are (R.PMT.1988)

Correct : B. 2

25. Which of the following process is used in the conversion of pyruvate to acetyl CoA ? (D.PM.T. 1987; C.PMT 1990, Kerala 2004)

Correct : A. Oxidative decarboxylation

26. During ATP synthesis electrons pass through (B.H.U.1980)

Correct : B. Cytochromes

27. Net gain of ATP in glycolysis _______ (M.P.PMT. 1988; D.P.M.T. 1983, Pb. PMT. 2000, CPM.T. 2001)

Correct : D. 8

28. The universal hydrogen acceptor is ‘ (C.P.M.T. 1980)

Correct : A. NAD

29. Both respiration and photosynthesis require (M.P.PM.T. 1989,1993,1996; CPM.T, 1984, 1988, 1989,-B.H.U. 1995;A.FMC 1995)

Correct : D. Cytochromes

30. In an organism utilising carbohydrates as its source of energy anaerobically, the R.Q. is likely (UPMER 1983)

Correct : D. Infinity.

31. In plants energy is produced during the process of (CPMT 1981)

Correct : C. Respiration

32. In respiration pyruvic acid is (MPPMT. 1986, 1988)

Correct : C. Broken down into a two carbon fragment and CO2

33. Maximum number of ATP is synthcsised during oxidation of (R.PM.T. 1990)

Correct : C. Palmitic acid

34. NADP+ is reduced to NADPH in (C.B.S.E. 1988)

Correct : A. HMP

35. Incomplete breakdown of sugars in anaerobic respiration forms (CPM.T. 1984,1988; M.P.P.M.T. 1987,1989)

Correct : C. Alcohol and CO2

36. Which of the following is the source of respiration ? (C.P.M.T. 1979)

Correct : D. Stored food

37. Raw material of respiration is (R.R.M.T. 199)

Correct : C. Glucose + O2

38. Respiration is found in (B.H.V. 1980)

Correct : C. In all living cells both in light and dark

39. Anaerobic respiration is (CPMT. 1987)

Correct : D. Intra-molecular respiration.

40. Total gain of energy in anaerobic respiration from one glucose molecule is (CPMT. 1987)

Correct : A. Two ATP

41. Final electron acceptor in respiration is (B.H.U. 1984, Karnataka 1994; A.F.M.C. 1998, A.M.U. 2001)

Correct : B. Oxygen

42. Oxidative phosphorylation is found in (M.P.P.M.T. 1987, 2002)

Correct : D. Mitochondria

43. In Opunita and other succulents, night time R.Q. is (CPMT, 1986)

Correct : C. Zero

44. RQ of protein rich pulses is ‘ (RPMT. 1989)

Correct : D. Less than one

45. Oxidation of a molecule of acetyl CoA produces (RPMT. 1990)

Correct : A. 12 ATP

46. Maximum amount of energy/ATP is liberated on oxidation of (AFMC 1984, 1988; CPMT. 1988; CB.S.E. 1994; AMU 1996)

Correct : A. Fat

47. R.Q. is ratio of ; (C.B.S.E.’1990;A.P.M.E.E. 1999, Glijarat GET Q.B.)

Correct : B. CO2 produced to O2 consumed

48. Connecting link between glycolysis and Krebs cycle is/before entering Krebs cycle pyruvate is changed to (A.F.M.C, 1988; CB.S.E. 1992, 1997; R.PMT. 1992; M.P.P.M.T. 1987, 88, 93, 98, 2001, 2002; AMU. 1987, 2001; J.LPME.R; 1989; C.PMT. 1991, 94; D.P.M.T. 1999; A.UMS. 1994, Mampal 200l, BV. 2002, Kerala 2003, 2004)

Correct : D. Acetyl CoA

49. Apparatus to measure rate of respiration and R.Q. is (C.P.M.T. 1991; C.B.S.E. 1992)

Correct : C. Respirometer

50. Terminal cytochrome of respiratory chain which donates electrons to oxygen is (CPMT 1989; CBSE, 1992)

Correct : D. Cyt a3

51. R.Q. is maximum when respiratory substrate is (MPPMT. 1992; A.U.M.S. 1992)

Correct : D. Malic acid.

52. End product of citric add/Krebs cycle is (CBSE. 1993; Har. P.M.T. 1994)

Correct : D. CO2 + H2O

53. Krebs cycle is (AMU. 1993)

Correct : C. Complete oxidation of acetyl CoA without electron transport

54. Most of the biological energy is supplied by mitochondria through (M.P.PMT.1994, AMU. 1998)

Correct : D. Oxidising TCA substrates.

55. Which one is a product of glycolysis, besides 2 ATP ? (CPMT. 1995; M.P.PMT. 1998)

Correct : B. NADH

56. The site of Krebs cycle in bacteria is (Bihar P.M.T. 1995)

Correct : C. Plasma membrane

57. Which is the product of aerobic respiration? (A.F.M.C 1995)

Correct : A. Malic acid

58. Which one can respire in the absence of oxygen ? (R.P.M.T. 1996)

Correct : A. Seed

59. Lactic acid fermentation does not produce (A.UMS. 1996; Pb. P.M.T. 1997; AMU. 1999)

Correct : B. CO2 and NADH

60. Electron transport system of mitochondria is located in (M.P.PMT. 1997, CPMT. 1999, R.PMT.2000)

Correct : B. Inner membrane

61. In bacteria the site for respiration is (CB.S.E. 1997)

Correct : B. Mesosome

62. Which is wrong about cytochrome P-450 ? (C.B.S.E. 1998)

Correct : B. Is a coloured cell

63. Production of alcohol by Yeast fermentation is ....... process (Pb. P.M.T. 1998)

Correct : A. Anaerobic

64. In glycolysis, enzyme enolasc produces (AM.U. 1999)

Correct : B. Phosphoenol pyruvate

65. Oxygen is reduced to water in (Kerala 2000,2006)

Correct : C. Electron transport

66. Cytochrome is (C.B.S.E. 2001)

Correct : B. Fe-containing porphyrin pigment

67. Isocitric acid is changed to -oxalosucinic acid by (Tamil.Nadu2001)

Correct : B. Oxidative decarboxylation

68. In respiration (Manipal 2002)

Correct : A. 2 PGAL are formed in glycolysis and none in Krebs cycle

69. Glycolysis takes place in (A.F.M.C 2003)

Correct : A. All cell

70. Which is rich in energy (CE.T. Chd.2003)

Correct : D. ATP

71. Which one requires oxygen (AMU. 2003)

Correct : D. None of the above

72. Mechanism of aerobic respiration was discovered by (A.F.M.C. 2004)

Correct : B. Krebs

73. Which of the following is the first step of glycolysis (C.P.M.T. 2004)

Correct : D. Phosphorylation of glucose

74. How many ATP molecules are released when one molecule of glucose is oxidised in our liver cells (CP.M.t:2’ob5)

Correct : B. 38

75. RQ of anaerobic respiration is (Wardha2005)

Correct : B. 0

76. Which one is an important intermediate formed in all types of respiration (Wardha2005)

Correct : C. Pyruvic acid

77. What is RQ of the reaction 2C51H98O6 + 145O2 –– 102CO2 + 98H2O. (Manipal 2005)

Correct : A. 0.7

78. Single turn of citric acid cycle yields (Kerala2005)

Correct : C. 1 FADH2, 4 NADH2, 1 ATP

79. RQ is less than one, if the respiratory substrate is (Manipal 2005)

Correct : B. Fats and proteins

80. Enzyme used in conversion of glucose to glucose 6-phosphate is (J.I.PME.R. 2005)

Correct : A. Hexokinase

81. Identify the compound that links glycolysis and Krebs cycle (Karnataka 2005)

Correct : D. Acetyl CoA

82. F0 base of oxysome is towards : (M.H. 2005)

Correct : A. Outer chamber

83. Muscle cells starved of oxygen and supplied with pyruvic acid will produce (M.H. 2005)

Correct : B. Lactic acids

84. Products of anaerobic respiration are (J.I.P.M.E.R. 2005)

Correct : C. Alcohol and CO2

85. During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP (C.B.S.E. 2005)

Correct : D. Electron transport chain.

86. How many molecules of NADH2 are produced when four molecules of phosphogyceraldehyde arc converted into four molecules of pyruvate (Guj.CET. 2006)

Correct : C. 4

87. The overall goal of glycolysis, Krebs cycle and electron transport system is the formation of (C.B.S.E. 2007)

Correct : D. ATP in small steps

88. Plant embryo develops from.

Correct : C. Zygote

89. Embryo of flowering plant is always -

Correct : B. Diploid (2n)

90. Plant embryo is a mass of -

Correct : D. Miniature plant

91. Stamen is a modification of

Correct : B. Microsporophyll

92. Zygote is formed inside the

Correct : C. Female gametophyte

93. A microspore is a

Correct : B. First cell of male gametophyte

94. An anther consists of

Correct : B. four microsporangia

95. Cells of nucellus are always

Correct : C. Diploid

96. The embryo sac is produced from

Correct : D. Megaspore

97. An egg-apparatus contains

Correct : C. An egg + Two synergids

98. In angiosperm the endosperm nucleus is

Correct : A. Triploid

99. Female gametophyte is also known as

Correct : D. Embryo sac

100. Embryo sac contains

Correct : C. 1 egg