51. In which one of the following processes $$C{O_2}$$ in not released?

A Aerobic respiration in plants
B Aerobic respiration in animals
C Alcoholic fermentation
D Lactate fermentation
Answer :   Lactate fermentation
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52. In succulent plants R.Q. is less than one because of

A Complete oxidation
B Complete Reduction
C Incomplete reduction
D Incomplete oxidation
Answer :   Incomplete oxidation
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53. Number of every cytochrome molecule require for transfer of 2e- in ETS

A 2
B 4
C 1
D 10
Answer :   2
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54. Respiratory enzymes are localised in

A Ribosomes
B Chloroplast
C Mitochondria
D None of the above
Answer :   Mitochondria
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55. The three boxes in this diagram represents the three major biosynthetic pathways in aerobic respiration. Arrows represents net reactants or products.
Respiration in Plants mcq question image
Arrows numbered 4, 8 and 12 can all be:

A ATP
B $${H_2}O$$
C FAD+ or FADH2
D NADH
Answer :   ATP
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56. Iron-porphyrin protein complex occurs in

A Phytochrome
B Cytochrome
C Chlorophyll
D Both A and C
Answer :   Cytochrome
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57. Respiratory substrate yielding maximum number of ATP molecule is

A ketogenic amino acids
B glucose
C amylose
D glycogen
Answer :   glucose
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58. In plants, respiration takes place

A During day only
B During night only
C All the 24 hours
D At dusk
Answer :   All the 24 hours
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59. Enzyme have very narrow optima for

A Light
B Temperature
C PH
D Humudity
Answer :   PH
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60. Number of ATP molecules formed during aerobic respiration in break down of one glucose molecule via malate aspartate shuttle

A 38
B 18
C 28
D 4
Answer :   38
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