Respiration Set 4

All India Pre Medical Test (AIPMT)

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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Respiration Set 4

Q1 | RQ for fatty substance/fat is (DPMT 1985; Karnataka 1999)
  • Infinity
  • Less than one
  • Greater than one
  • Zero
Answer: Less than one
Q2 | RQ for glucose carbohydrate is (D.PM.T. 1985, Bih. PMT. 1990, RPMT. 1996, Wardha2001)
  • 1
  • 0.5
  • 2
  • 0.05
Answer: 1
Q3 | An indispensable role in energy metabolism is played by (D.PM.T. 1986)
  • Sodium
  • Phosphorus
  • Calcium
  • Lithium
Answer: Phosphorus
Q4 | Instantaneous source of energy is {A.F.M.C. 1983)
  • Glucose
  • Fats
  • Proteins
  • Amino acid.
Answer: Glucose
Q5 | ATP equivalents produced during oxidation of succinate to fumarate for one glucose molecule is/are(R.PMT.1988)
  • l
  • 2
  • 3
  • 4
Answer: 2
Q6 | Which of the following process is used in the conversion of pyruvate to acetyl CoA ?(D.PM.T. 1987; C.PMT 1990, Kerala 2004)
  • Oxidative decarboxylation
  • Oxidative dehydrogenation
  • Oxidative dehydration
  • Oxidative phosphorylation
Answer: Oxidative decarboxylation
Q7 | During ATP synthesis electrons pass through (B.H.U.1980)
  • H2O
  • Cytochromes
  • CO2
  • O2
Answer: Cytochromes
Q8 | Net gain of ATP in glycolysis _______ (M.P.PMT. 1988; D.P.M.T. 1983, Pb. PMT. 2000, CPM.T. 2001)
  • 6
  • 2
  • 4
  • 8
Answer: 8
Q9 | The universal hydrogen acceptor is ‘ (C.P.M.T. 1980)
  • NAD
  • ATP
  • CoA
  • FMN
Answer: NAD
Q10 | Both respiration and photosynthesis require (M.P.PM.T. 1989,1993,1996; CPM.T, 1984, 1988, 1989,-B.H.U. 1995;A.FMC 1995)
  • Sunlight
  • Chlorophyll
  • Glucose
  • Cytochromes
Answer: Cytochromes
Q11 | In an organism utilising carbohydrates as its source of energy anaerobically, the R.Q. is likely (UPMER 1983)
  • 0.7
  • 0.9
  • l.0
  • Infinity.
Answer: Infinity.
Q12 | In plants energy is produced during the process of (CPMT 1981)
  • Photosynthesi
  • Transpiration
  • Respiration
  • Water absorption
Answer: Respiration
Q13 | In respiration pyruvic acid is (MPPMT. 1986, 1988)
  • Formed only when oxygen is available
  • One of the products of Krebs cycle
  • Broken down into a two carbon fragment and CO2
  • A result of protlipid breakdown.
Answer: Broken down into a two carbon fragment and CO2
Q14 | Maximum number of ATP is synthcsised during oxidation of (R.PM.T. 1990)
  • ? - amino acid
  • Malic acid
  • Palmitic acid
  • Glucose
Answer: Palmitic acid
Q15 | NADP+ is reduced to NADPH in (C.B.S.E. 1988)
  • HMP
  • Calvin Cycle
  • Glycolysis
  • EMP
Answer: HMP
Q16 | Incomplete breakdown of sugars in anaerobic respiration forms(CPM.T. 1984,1988; M.P.P.M.T. 1987,1989)
  • Fructose and water
  • Glucose and CO2
  • Alcohol and CO2
  • Water and CO2
Answer: Alcohol and CO2
Q17 | Which of the following is the source of respiration ? (C.P.M.T. 1979)
  • RNA
  • DNA
  • ATP
  • Stored food
Answer: Stored food
Q18 | Raw material of respiration is (R.R.M.T. 199)
  • Glucose and fructose
  • Glucose and sucrose
  • Glucose + O2
  • Glucose + CO2
Answer: Glucose + O2
Q19 | Respiration is found in (B.H.V. 1980)
  • In all living cells in light
  • All living cells in dark
  • In all living cells both in light and dark
  • Only in nongreen cells both in light and dark
Answer: In all living cells both in light and dark
Q20 | Anaerobic respiration is (CPMT. 1987)
  • Extramolecular respiration
  • Molecular respiration
  • Inter-molecular respiration
  • Intra-molecular respiration.
Answer: Intra-molecular respiration.
Q21 | Total gain of energy in anaerobic respiration from one glucose molecule is (CPMT. 1987)
  • Two ATP
  • One ATP
  • Four ATP
  • Three ATP
Answer: Two ATP
Q22 | Final electron acceptor in respiration is (B.H.U. 1984, Karnataka 1994; A.F.M.C. 1998, A.M.U. 2001)
  • Hydrogen
  • Oxygen
  • Cytochromes
  • Dehydrogenases
Answer: Oxygen
Q23 | Oxidative phosphorylation is found in (M.P.P.M.T. 1987, 2002)
  • Chloroplast
  • Leucoplasts
  • Peroxisomes
  • Mitochondria
Answer: Mitochondria
Q24 | In Opunita and other succulents, night time R.Q. is (CPMT, 1986)
  • One
  • More than one
  • Zero
  • Less than one
Answer: Zero
Q25 | RQ of protein rich pulses is ‘ (RPMT. 1989)
  • Unity
  • Infinity
  • More than unity
  • Less than one
Answer: Less than one
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