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question_answer1)
Conversion of pyruvic acid into lactic acid depends upon
A)
Absence of oxygen done
clear
B)
Presence of NAD done
clear
C)
Presence of enzymes done
clear
D)
None of the above done
clear
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question_answer2)
During anaerobic conditions, the rate of glycolysis increases is called as
A)
Compensation point done
clear
B)
Extinction point done
clear
C)
Warburg effect done
clear
D)
Pasteur effect done
clear
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question_answer3)
Who discovered the process of fermentation
A)
Jones done
clear
B)
Pasteur done
clear
C)
Buchner done
clear
D)
Krebs done
clear
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question_answer4)
Which of the following process may be toxic to plants
A)
Photolysis of water done
clear
B)
Photosynthesis done
clear
C)
Aerobic respiration done
clear
D)
Anaerobic respiration done
clear
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question_answer5)
A brewery subjects about 1 tonne of purified jaggary to fermentation under ideal conditions. If it has produced 0.3 tonne of alcohol, what quantity of\[C{{O}_{2}}\]it has expelled to its atmosphere
A)
0.3 tonne done
clear
B)
0.7 tonne done
clear
C)
1 tonne done
clear
D)
0 tonne done
clear
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question_answer6)
The incomplete breakdown of sugars in anaerobic respiration results in the formation of [CPMT 1975, 78, 84; MP PMT 1987, 89, 90]
A)
Fructose and water done
clear
B)
Glucose and \[C{{O}_{2}}\] done
clear
C)
Alcohol and\[C{{O}_{2}}\] done
clear
D)
Water and\[C{{O}_{2}}\] done
clear
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question_answer7)
Which of the following plant is widely accepted to respire in absence of oxygen [NCERT 1976; JIPMER 1985; MP PMT 2004]
A)
Yeast done
clear
B)
Potato done
clear
C)
Chlorella done
clear
D)
Grass done
clear
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question_answer8)
Alcohol is produced during the process of [CPMT 1983]
A)
Aerobic respiration done
clear
B)
Anaerobic respiration done
clear
C)
Photosynthesis done
clear
D)
None of the above done
clear
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question_answer9)
When a molecule of pyruvic acid is subjected to anaerobic oxidation and forms lactic acid, there is [BHU 1985; RPMT 1985; CPMT 1988]
A)
Loss of 3 ATP molecules done
clear
B)
Loss of 6 ATP molecules done
clear
C)
Gain of 2 ATP molecules done
clear
D)
Gain of 4 ATP molecules done
clear
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question_answer10)
The end products of fermentation when sugars are used as raw material [CBSE PMT 1997; CPMT 1988]
A)
Alcohol and acetic acid done
clear
B)
\[C{{O}_{2}}\] done
clear
C)
Alcohol and\[C{{O}_{2}}\] done
clear
D)
Alcohol done
clear
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question_answer11)
Fermentation is [CPMT 1986; JIPMER 1988; AFMC 1999; MP PMT 2003]
A)
Anaerobic respiration done
clear
B)
Incomplete oxidation of carbohydrates done
clear
C)
Complete oxidation of carbohydrates done
clear
D)
None of the above done
clear
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question_answer12)
Conversion of pyruvic acid into ethyl alcohol is facilitated by the enzymes [AMU 1986]
A)
Carboxylase done
clear
B)
Dehydrogenase done
clear
C)
Decarboxylase and dehydrogenase done
clear
D)
Phosphatase done
clear
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question_answer13)
During anaerobic respiration in yeast [CPMT 1992]
A)
Water and\[C{{O}_{2}}\]are end products done
clear
B)
\[C{{O}_{2}},\,\,{{C}_{2}}{{H}_{5}}OH\]and energy are end products done
clear
C)
\[{{H}_{2}}S,\,\,{{C}_{6}}{{H}_{12}}{{O}_{6}}\]and energy are the end products done
clear
D)
\[{{H}_{2}}O,\,\,C{{O}_{2}}\]and energy are the only end products done
clear
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question_answer14)
Fermentation is represented by the equation [MP PMT 1996]
A)
\[{{C}_{6}}{{H}_{12}}{{O}_{6}}+6{{O}_{2}}\to 6C{{O}_{2}}+673\,\,k\,\,cal\] done
clear
B)
\[{{C}_{6}}{{H}_{12}}{{O}_{6}}\to 2{{C}_{2}}{{H}_{5}}OH+2C{{O}_{2}}+18\,\,k\,\,cal\] done
clear
C)
\[6C{{O}_{2}}+12{{H}_{2}}O\underset{Chlorophyll}{\mathop{\xrightarrow{Light}}}\,{{C}_{6}}{{H}_{12}}{{O}_{6}}+6{{H}_{2}}O+6{{O}_{2}}\] done
clear
D)
\[6C{{O}_{2}}+6{{H}_{2}}O\to {{C}_{6}}{{H}_{12}}{{O}_{6}}+6{{O}_{2}}\] done
clear
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question_answer15)
Anaerobic respiration takes place in the DPMT 1992; MP PMT 2002]
A)
Mitochondria done
clear
B)
Cytoplasm done
clear
C)
Lysosomes done
clear
D)
ER done
clear
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question_answer16)
Anaerobic synthesis found in bacteria is [CMC Vellore 1994]
A)
Endergonic done
clear
B)
Exergonic done
clear
C)
Isothermal done
clear
D)
None of the above done
clear
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question_answer17)
End product of anaerobic respiration is [CPMT 1975, 90; AFMC 1995; RPMT 1999]
A)
Glucose done
clear
B)
Pyruvic acid done
clear
C)
Ethyl alcohol and\[C{{O}_{2}}\] done
clear
D)
None of the above done
clear
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question_answer18)
In anaerobic respiration in plants [CMC Vellore 1983]
A)
Oxygen is taken in done
clear
B)
Oxygen is given out done
clear
C)
Carbon dioxide is given out done
clear
D)
Carbon dioxide is taken in done
clear
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question_answer19)
Anaerobic respiration was first of all reported by [NCERT 1978; AFMC 1988]
A)
Maguenne done
clear
B)
Kostychev done
clear
C)
Klein done
clear
D)
Pfeffer done
clear
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question_answer20)
What is the total gain of energy during anaerobic respiration [CPMT 1987]
A)
One molecule of ATP done
clear
B)
Two molecules of ATP done
clear
C)
Four molecules of ATP done
clear
D)
Eight molecules of ATP done
clear
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question_answer21)
In fermentation, yeast secrets one of the following enzyme [MP PMT 1989]
A)
Invertase done
clear
B)
Zymase done
clear
C)
Dehydrogenase done
clear
D)
Anolase done
clear
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question_answer22)
Which molecule listed below is a product of fermentation of glucose by yeast [CPMT 1987; AIEEE 2003]
A)
\[{{({{C}_{6}}{{H}_{10}}{{O}_{5}})}_{n}}\] done
clear
B)
\[{{C}_{2}}{{H}_{5}}OH\] done
clear
C)
\[{{C}_{6}}{{H}_{12}}{{O}_{6}}\] done
clear
D)
\[C{{H}_{3}}OH\] done
clear
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question_answer23)
Which one of the following reactions represents anaerobic respiration [MP PMT 1990]
A)
\[6C{{O}_{2}}+6{{H}_{2}}\to {{C}_{6}}{{H}_{12}}{{O}_{6}}+3C{{O}_{2}}\] done
clear
B)
\[{{C}_{6}}{{H}_{12}}{{O}_{6}}+6{{O}_{2}}\to C{{O}_{2}}+{{H}_{2}}O+energy\] done
clear
C)
\[{{C}_{6}}{{H}_{12}}{{O}_{6}}\to 2{{C}_{2}}{{H}_{5}}OH+2C{{O}_{2}}+energy\] done
clear
D)
\[6C{{O}_{2}}+6{{H}_{2}}O\to {{C}_{6}}{{H}_{12}}{{O}_{6}}+6{{H}_{2}}O+3{{O}_{2}}\] done
clear
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question_answer24)
Anaerobe products of fermentation are [CBSE PMT 1996; JIPMER 2001]
A)
Alcohol and lipoprotein done
clear
B)
Ether and nucleic acid done
clear
C)
Protein and nucleic acid done
clear
D)
Alcohol, lactic acid and similar compound done
clear
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question_answer25)
Anaerobic process after glycolysis is called [AFMC 1997]
A)
TCA done
clear
B)
Calvin cycle done
clear
C)
Kreb's cycle done
clear
D)
Fermentation done
clear
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question_answer26)
Pasteur effect is concerned with the shifting of environmental conditions from [KCET 2001]
A)
Light to dark done
clear
B)
Aerobic to anaerobic done
clear
C)
Anaerobic to aerobic done
clear
D)
Light to anaerobic done
clear
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question_answer27)
When yeast ferments glucose, the products obtained are [BVP 2002]
A)
Ethanol and water done
clear
B)
Water and \[C{{O}_{2}}\] done
clear
C)
Ethanol and \[C{{O}_{2}}\] done
clear
D)
Methanol and \[C{{O}_{2}}\] done
clear
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question_answer28)
Organism which can respire in absence of \[{{O}_{2}}\] is [MHCET 2003]
A)
Chlorella done
clear
B)
Solanum done
clear
C)
Saccharum done
clear
D)
Saccharomyces done
clear
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question_answer29)
Cyanide resistant pathway is [DPMT 2004]
A)
Anaerobic respiration done
clear
B)
Aerobic respiration done
clear
C)
Both [a] and [b] done
clear
D)
None of these done
clear
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question_answer30)
Lactic acid converted into alcohol in process called [Haryana PMT 2005]
A)
Fermentation done
clear
B)
Aerobic respiration done
clear
C)
Respiration done
clear
D)
Photosynthesis done
clear
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