Respiration Set 6

All India Pre Medical Test (AIPMT)

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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Respiration Set 6

Q1 | Which is rich in energy (CE.T. Chd.2003)
  • NAD+
  • Mitochondria
  • FAD
  • ATP
Answer: ATP
Q2 | Which one requires oxygen (AMU. 2003)
  • Fermentation
  • EMP pathway
  • Pentose phosphate pathway
  • None of the above
Answer: None of the above
Q3 | Mechanism of aerobic respiration was discovered by (A.F.M.C. 2004)
  • Calvin
  • Krebs
  • Pasteur
  • Hatch and Slack
Answer: Krebs
Q4 | Which of the following is the first step of glycolysis (C.P.M.T. 2004)
  • Conversion of glucose to fructose
  • Dehydrogenation of glucose
  • Breakdown of glucose
  • Phosphorylation of glucose
Answer: Phosphorylation of glucose
Q5 | How many ATP molecules are released when one molecule of glucose is oxidised in our liver cells(CP.M.t:2’ob5)
  • 36
  • 38
  • 2
  • 8
Answer: 38
Q6 | RQ of anaerobic respiration is (Wardha2005)
  • < 1
  • 0
  • 1
  • >1
Answer: 0
Q7 | Which one is an important intermediate formed in all types of respiration (Wardha2005)
  • Acetyl CoA
  • Oxaloacetate
  • Pyruvic acid
  • Tricarboxylic acid
Answer: Pyruvic acid
Q8 | What is RQ of the reaction 2C51H98O6 + 145O2 –– 102CO2 + 98H2O. (Manipal 2005)
  • 0.7
  • l.0
  • l.45
  • l.62
Answer: 0.7
Q9 | Single turn of citric acid cycle yields (Kerala2005)
  • 2 FADH2, 2 NADH2, 2 ATP
  • 1 FADH2, 2 NADH2, 1 ATP
  • 1 FADH2, 4 NADH2, 1 ATP
  • 1 FADH2, 1 NADH2, 1 ATP
Answer: 1 FADH2, 4 NADH2, 1 ATP
Q10 | RQ is less than one, if the respiratory substrate is (Manipal 2005)
  • Organic acid
  • Fats and proteins
  • Sucrose
  • Glucose
Answer: Fats and proteins
Q11 | Enzyme used in conversion of glucose to glucose 6-phosphate is (J.I.PME.R. 2005)
  • Hexokinase
  • Isomerase
  • Phosphokinase
  • Phosphohexokinase
Answer: Hexokinase
Q12 | Identify the compound that links glycolysis and Krebs cycle (Karnataka 2005)
  • Oxaloacctate
  • Pyruvic acid
  • Lactic acid
  • Acetyl CoA
Answer: Acetyl CoA
Q13 | F0 base of oxysome is towards : (M.H. 2005)
  • Outer chamber
  • Matrix
  • Inner chamber
  • Both B and C
Answer: Outer chamber
Q14 | Muscle cells starved of oxygen and supplied with pyruvic acid will produce (M.H. 2005)
  • Ethanol
  • Lactic acids
  • CO2 only
  • CO2 and H2O
Answer: Lactic acids
Q15 | Products of anaerobic respiration are (J.I.P.M.E.R. 2005)
  • Water and alcohol
  • Water and oxygen
  • Alcohol and CO2
  • CO2 and water
Answer: Alcohol and CO2
Q16 | During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP (C.B.S.E. 2005)
  • Glycolysi
  • Krebs cycle
  • Conversion of pyruvic acid to acetyl CoA
  • Electron transport chain.
Answer: Electron transport chain.
Q17 | How many molecules of NADH2 are produced when four molecules of phosphogyceraldehyde arc converted into four molecules of pyruvate (Guj.CET. 2006)
  • 8
  • 2
  • 4
  • 6
Answer: 4
Q18 | The overall goal of glycolysis, Krebs cycle and electron transport system is the formation of (C.B.S.E. 2007)
  • ATP in one large oxidation reaction
  • Sugars
  • Nucleic acid
  • ATP in small steps
Answer: ATP in small steps
Q19 | Plant embryo develops from.
  • seed
  • Fruit
  • Zygote
  • Flower
Answer: Zygote
Q20 | Embryo of flowering plant is always -
  • Haploid (n)
  • Diploid (2n)
  • Triploid (3n)
  • Tetraploid (4n)
Answer: Diploid (2n)
Q21 | Plant embryo is a mass of -
  • cell
  • Uncertain tissue
  • Collection of plant tissues
  • Miniature plant
Answer: Miniature plant
Q22 | Stamen is a modification of
  • Leaf
  • Microsporophyll
  • Megasporophyll
  • Shoot
Answer: Microsporophyll
Q23 | Zygote is formed inside the
  • Stigma
  • Style
  • Female gametophyte
  • Seed
Answer: Female gametophyte
Q24 | A microspore is a
  • Male gamate
  • First cell of male gametophyte
  • Last cell of male gametophyte
  • Diploid cell
Answer: First cell of male gametophyte
Q25 | An anther consists of
  • one microsporangium
  • four microsporangia
  • Two microsporangia
  • many microsporangia
Answer: four microsporangia
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