NEET Biology Respiration In Plants Question Bank

Neet

Anaerobic Respiration

·          1) Conversion of pyruvic acid into lactic acid depends upon

A) Absence of oxygen

B) Presence of NAD

C) Presence of enzymes

D) None of the above

·          2) During anaerobic conditions, the rate of glycolysis increases is called as

A) Compensation point

B) Extinction point

C) Warburg effect

D) Pasteur effect

·          3) Who discovered the process of fermentation

A) Jones

B) Pasteur

C) Buchner

D) Krebs

·          4) Which of the following process may be toxic to plants

A) Photolysis of water

B) Photosynthesis

C) Aerobic respiration

D) Anaerobic respiration

·          5) 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

CO2

it has expelled to its atmosphere

A) 0.3 tonne

B) 0.7 tonne

C) 1 tonne

D) 0 tonne

·          6) 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

B) Glucose and 

CO2

C) Alcohol and

CO2

D) Water and

CO2

·          7) Which of the following plant is widely accepted to respire in absence of oxygen [NCERT 1976; JIPMER 1985; MP PMT 2004]

A) Yeast

B) Potato

C) Chlorella

D) Grass

·          8) Alcohol is produced during the process of [CPMT 1983]

A) Aerobic respiration

B) Anaerobic respiration

C) Photosynthesis

D) None of the above

·          9) 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

B) Loss of 6 ATP molecules

C) Gain of 2 ATP molecules

D) Gain of 4 ATP molecules

·          10) The end products of fermentation when sugars are used as raw material [CBSE PMT 1997; CPMT 1988]

A) Alcohol and acetic acid

B) 

CO2

C) Alcohol and

CO2

D) Alcohol

·          11) Fermentation is [CPMT 1986; JIPMER 1988; AFMC 1999; MP PMT 2003]

A) Anaerobic respiration

B) Incomplete oxidation of carbohydrates

C) Complete oxidation of carbohydrates

D) None of the above

·          12) Conversion of pyruvic acid into ethyl alcohol is facilitated by the enzymes [AMU 1986]

A) Carboxylase

B) Dehydrogenase

C) Decarboxylase and dehydrogenase

D) Phosphatase

·          13) During anaerobic respiration in yeast [CPMT 1992]

A) Water and

CO2

are end products

B) 

CO2,C2H5OH

and energy are end products

C) 

H2S,C6H12O6

and energy are the end products

D) 

H2O,CO2

and energy are the only end products

·          14) Fermentation is represented by the equation [MP PMT 1996]

A) 

C6H12O6+6O2→6CO2+673kcal

B) 

C6H12O6→2C2H5OH+2CO2+18kcal

C) 

6CO2+12H2O−→−−−−−LightChlorophyllC6H12O6+6H2O+6O2

D) 

6CO2+6H2O→C6H12O6+6O2

·          15) Anaerobic respiration takes place in the DPMT 1992; MP PMT 2002]

A) Mitochondria

B) Cytoplasm

C) Lysosomes

D) ER

·          16) Anaerobic synthesis found in bacteria is [CMC Vellore 1994]

A) Endergonic

B) Exergonic

C) Isothermal

D) None of the above

·          17) End product of anaerobic respiration is [CPMT 1975, 90; AFMC 1995; RPMT 1999]

A) Glucose

B) Pyruvic acid

C) Ethyl alcohol and

CO2

D) None of the above

·          18) In anaerobic respiration in plants [CMC Vellore 1983]

A) Oxygen is taken in

B) Oxygen is given out

C) Carbon dioxide is given out

D) Carbon dioxide is taken in

·          19) Anaerobic respiration was first of all reported by [NCERT 1978; AFMC 1988]

A) Maguenne

B) Kostychev

C) Klein

D) Pfeffer

·          20) What is the total gain of energy during anaerobic respiration [CPMT 1987]

A) One molecule of ATP

B) Two molecules of ATP

C) Four molecules of ATP

D) Eight molecules of ATP

·          21) In fermentation, yeast secrets one of the following enzyme [MP PMT 1989]

A) Invertase

B) Zymase

C) Dehydrogenase

D) Anolase

·          22) Which molecule listed below is a product of fermentation of glucose by yeast [CPMT 1987; AIEEE 2003]

A) 

(C6H10O5)n

B) 

C2H5OH

C) 

C6H12O6

D) 

CH3OH

·          23) Which one of the following reactions represents anaerobic respiration [MP PMT 1990]

A) 

6CO2+6H2→C6H12O6+3CO2

B) 

C6H12O6+6O2→CO2+H2O+energy

C) 

C6H12O6→2C2H5OH+2CO2+energy

D) 

6CO2+6H2O→C6H12O6+6H2O+3O2

·          24) Anaerobe products of fermentation are [CBSE PMT 1996; JIPMER 2001]

A) Alcohol and lipoprotein

B) Ether and nucleic acid

C) Protein and nucleic acid

D) Alcohol, lactic acid and similar compound

·          25) Anaerobic process after glycolysis is called [AFMC 1997]

A) TCA

B) Calvin cycle

C) Kreb's cycle

D) Fermentation

·          26) Pasteur effect is concerned with the shifting of environmental conditions from [KCET 2001]

A) Light to dark

B) Aerobic to anaerobic

C) Anaerobic to aerobic

D) Light to anaerobic

·          27) When yeast ferments glucose, the products obtained are [BVP 2002]

A) Ethanol and water

B) Water and 

CO2

C) Ethanol and 

CO2

D) Methanol and 

CO2

·          28) Organism which can respire in absence of 

O2

 is [MHCET 2003]

A) Chlorella

B) Solanum

C) Saccharum

D) Saccharomyces

·          29) Cyanide resistant pathway is [DPMT 2004]

A) Anaerobic respiration

B) Aerobic respiration

C) Both [a] and [b]

D) None of these

·          30) Lactic acid converted into alcohol in process called [Haryana PMT 2005]

A) Fermentation

B) Aerobic respiration

C) Respiration

D) Photosynthesis