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NEET Biology Respiration In Plants Question Bank

Neet

·          1) Glycolysis was invented by
A) Calvin
B) Kreb's
C) J.C. Bose
D) None of the above

·          2) For the enzyme enolase, the substrate is
A) Succinic acid
B) 2 PGA
C) PEP
D) Fumaric acid

·          3) Conversion of fructose-6-phosphate to fructose 1, 6 diphosphate is catalysed by
A) Phosphofructose kinase
B) Aldolase
C) Hexokinase
D) None of the above

·          4) How many ATP are used in glycolysis or For complete phosphorylation of a glucose molecule, how many ATP molecules are required
A) 4
B) 2
C) 6
D) 8

·          5) Which of the following is called Newber's ester
A) Glucose-6-phosphate
B) Fructose-6-phosphate
C) Fructose 1, 6 diphosphate
D) All the above

·          6) Which of the following is called the Harden and Young's ester
A) Fructose-6-phosphate
B) Glucose-6-phosphate
C) Fructose 1, 6 diphosphate
D) None of the above

·          7) Which of the following is formed in presence of pyruvate kinase
A) Phosphoenol pyruvic acid
B) Pyruvic acid
C) Both [a] and [b]
D) None of the above

·          8) Isomerization step takes place in
A) Glycolysis
B) Kreb's cycle
C) Oxidative phosphorylation
D) None of the above

·          9) How many water molecules are used in glycolysis
A) One
B) Two
C) Three
D) Four

·          10) The function of aldolase enzyme during respiration is to catalyze phosphoglyceraldehyde
A) Reduction
B) Oxidation
C) Formation
D) All the above

·          11) Which of the following process should not operate when organic acids are used as respiratory substrates
A) Glycolysis
B) Kreb's cycle
C) Terminal oxidation
D) Phosphorylation

·          12) In cellular respiration
O2
is used as a final receptor of
A) ATP and NADH
B) H and e
C) Fe
D) Cytochrome

·          13) First stage in respiration is
A) Aerobic oxidation of pyruvic acid
B) Liberation of
CO2
C) Glycolysis
D) Electron transport system

·          14) Besides the net gain of 2 ATP molecules in glycolysis which other molecules are simultaneously formed [BHU 1986; MP PMT 1988; CPMT 1995]
A) 
FADH2
B) 
NADPH2
C) 
NADH2
D) 
FAMH2

·          15) Which of the following is the product of phosphorylation [MP PMT 1989; AMU 1990]
A) PGA
B) Fructose 1, 6 diphosphate
C) DPGA
D) Pyruvic acid

·          16) In glycolysis, the end product is [CPMT 1984, 89, 96; KCET 1998; AMU 1990; MP PMT 1996, 2003]
A) Protein is converted to glucose
B) Glucose is converted into fructose
C) Starch is converted into glucose
D) Glucose is converted into pyruvic acid

·          17) Total ATP production during EMP pathway is [CBSE PMT 1990; CPMT 1982, 84; DPMT 1983]
A) 24 ATP molecules
B) 8 ATP molecules
C) 38 ATP molecules
D) 6 ATP molecules

·          18) Glycolysis takes place in [BHU 1979; MP PMT 1988, 89, 96, 2004, 05; KCET 1994; BVP 2001; Orissa PMT 2002; RPMT 2002; CPMT 2004]
A) Mitochondria
B) Cytoplasm
C) Both mitochondria and cytoplasm
D) Vacuole

·          19) Which of the following involves the loss of two protons and two electrons [BHU 1984]
A) Deamination
B) Dehydrogenation
C) Carboxylation
D) None of these

·          20) Pyruvate (pyruvic acid) dehydrogenase is used in converting [BHU 1986]
A) Pyruvate to glucose
B) Glucose to pyruvate
C) Pyruvic acid to lactic acid
D) Pyruvate (pyruvic acid) to acetyl CoA

·          21) The number of molecules of pyruvic acid formed from one molecule of glucose at the end of glycolysis is [MP PMT 1986]
A) 1
B) 2
C) 3
D) 4

·          22) What is the other name of glycolysis [MP PMT 1986; CET Pune 1998; CPMT 1998]
A) EMP pathway
B) TCA pathway
C) HMS pathway
D) None of the above

·          23) The enzyme which converts glucose to glucose -6-phosphate is [BHU 1986; MP PMT 1996; AIIMS1999; Pb. PMT 1999, 2000]
A) Phosphorylase
B) Glucose-6-phosphate
C) Hexokinase
D) Glucose synthetase

·          24) During respiration, pyruvic acid is formed by [CPMT 1986; BHU 1995]
A) Glycolysis
B) Kreb's cycle
C) HMP pathway
D) None of the above

·          25) The common phase between aerobic and anaerobic respiration is called [DPMT 1990; MP PMT 1992]
A) Tricarboxylic acid cycle
B) Oxidative phosphorylation
C) Embden, Meyerhoff, Parnas cycle
D) Kreb's cycle

·          26) The formula for the process of glycolysis is [KCET 1994]
A) 
C6H12O6→2C3H4O3+4H
B) 
C6H12O6+6CO2→6CO2+6H2O
C) 
6H2O+6CO2C6H12O6+6CO2
D) None of these

·          27) Which group of the following scientists discovered the EMP pathway of glycolysis [MP PMT 1995; BVP 2002]
A) Embden, Mayerhoff and Parnas
B) Emerson, Hoffman and Peterson
C) Embden, Morrison and Pitcher
D) Avery, McLeod and McCarthy

·          28) Which one of the following products is formed during glycolysis of glucose [MP PMT 1995, 2000, 02; AIIMS 2002]
A) Pyruvic acid
B) Carbon dioxide
C) Citric acid
D) Ethanol

·          29) The oxidation of one
NADH2
 yields [KCET 2000]
A) 18 ATP
B) 6 ATP
C) 3 ATP
D) 2 ATP

·          30) The end product of glycolysis is [MHCET 2001]
A) Acetyl Co-A
B) Citric acid
C) Pyruvic acid
D) Fumaric acid

·          31) During fermentation alcohol is formed from [MHCET 2001]
A) Sugars
B) Proteins
C) 
CO2+H2O
D) None of these

·          32) Glycolysis occurs [BVP 2001]
A) In cytoplasm
B) In aerobic respiration
C) In anaerobic respiration
D) All of the above

·          33) Which of the following process occurs in glycolysis [JIPMER 2002]
A) Oxidation
B) Reduction
C) Hydrogenation
D) Fixation

·          34) Glycolysis is found in cytoplasm of virtually all types of aerobic/anaerobic cells. In this process, glucose is converted into a compound which is [AIIMS 2002]
A) PEP
B) Pyruvic acid
C) Acetyl CoA
D) Citric acid

·          35) The first phase in the breakdown of glucose in animal cells is [BVP 2002; AIEEE 2004]
A) Kreb's cycle
B) Glycolysis
C) Electron transport system
D) Lipid biosynthesis

·          36) Glycolysis occurs in [AFMC 2003]
A) Generally, in all the cells
B) In only eukaryotes
C) Only in prokaryotes
D) Only in higher animals

·          37) Which one of the following is the first step of glycolysis [DPMT 2004]
A) Breakdown of glucose
B) Phosphorylation of glucose
C) Conversion of glucose into fructose
D) Dehydrogenation of glucose

·          38) In glycolysis, during oxidation electrons are removed by [CBSE PMT 2004]
A) 
NAD+
B) Molecular oxygen
C) ATP
D) Glyceraldehyde-3-phosphate

·          39) Which one is correct sequence in glycolysis [MHCET 2004]
A) G 6-P
PEP
3-PGAL
3-PGA
B) G 6-P
3-PGAL
3-PGA
PEP
C) G 6-P
PEP
3-PGA
3 - PGAL
D) G 6-P
3-PGA
3-PGAL
PEP

·          40) Decarboxylation is not involved in [DPMT 2004]
A) Electron transport system
B) Glycolysis
C) Kreb's cycle
D) Alcoholic fermentation

·          41) The stage upto which glycolysis and fermentation is common [Bihar 2005]
A) Dihydroxy acetone
B) 3-phosphoglyceraldehyde
C) Pyruvate
D) Glucose-6-phosphate

·          42) Which is not true for glycolysis [Manipal 2005]
A) End product is
CO2
,
H2O
B) Substiate level phosphorylation
C) Production of ATP
D) Expenditure of ATP


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