Respiration Set 2

All India Pre Medical Test (AIPMT)

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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Respiration Set 2

Q1 | The metal ion present in cytochromes is
  • Copper
  • Iron
  • Magnesium
  • Zinc
Answer: Iron
Q2 | CO2 release occurs in
  • Photosynthesi
  • Respiration
  • Transpiration
  • Guttation
Answer: Respiration
Q3 | R.Q. stands for
  • Reduction quotient
  • Respiratory quotient
  • Reverse quotient
  • None of these
Answer: Respiratory quotient
Q4 | R.Q. of carbohydrates is
  • l
  • 2
  • 3
  • 4
Answer: l
Q5 | R.Q. of anaerobic respiration is
  • Zero
  • Infinity
  • Less than one
  • More than one
Answer: Infinity
Q6 | When amount of CO2 taken from atmosphere (in photosynthesis) becomes equal to the amount of CO2 released in atmosphere (in respiration), this is called
  • Final point
  • Compensation point
  • Balance point
  • Equal distribution
Answer: Compensation point
Q7 | Alternative pathway for respiration is
  • Photorespiration
  • Pentose phosphate pathway
  • C3 cycle
  • C4 cycle
Answer: Pentose phosphate pathway
Q8 | Which of the following processes is common for aerobic and anaerobic respiration
  • Glycolysi
  • Krebs cycle
  • ETS
  • None of these
Answer: Glycolysi
Q9 | Anaerobic respiration is also called
  • Fermentation
  • PPP pathway
  • Glycolysis
  • Krebs cycle
Answer: Fermentation
Q10 | How many ATP are formed during dephosphorylation in glycolysis ?
  • 2ATP
  • 4ATP
  • 3 ATP
  • 6ATP
Answer: 4ATP
Q11 | R.Q. of oxalic acid is
  • Infinity
  • 4
  • 0.7
  • 1
Answer: 4
Q12 | Which process occurs in cytosol ?
  • Photosynthesi
  • Krebs cycle
  • Glycolysis
  • Oxidative phosphorylation
Answer: Glycolysis
Q13 | Synthetic processes of a cell comes under
  • Anabolism
  • Metabolism
  • Catabolism
  • Growth
Answer: Anabolism
Q14 | Degradation processes of a cell are referred under
  • Anabolism
  • Catabolism
  • Metabolism
  • Growth
Answer: Catabolism
Q15 | Pyruvic acid is
  • CH3COCOOH
  • CH3CHO
  • CH3CHOH COOH
  • CH3CH2OH
Answer: CH3COCOOH
Q16 | CH3CHO is
  • Acetaldehyde
  • Pyruvic acid
  • Ethanol
  • Lactic acid
Answer: Acetaldehyde
Q17 | CH3CH2OH represents
  • Lactic acid
  • Acetic acid
  • Ethanol
  • Pyruvic add
Answer: Ethanol
Q18 | Respiratory substances are
  • Substances available from air
  • Nutritive substances present in food
  • Mineral elements
  • Excretory substances
Answer: Nutritive substances present in food
Q19 | For aerobic respiration, it is essential
  • O2
  • CO2
  • CO
  • H2S
Answer: O2
Q20 | Acetaldehyde is formed from pyruvic acid, if it is removed
  • H2
  • CHO
  • 2 OH
  • CO2
Answer: CO2
Q21 | Respiration type occurring in human red blood corpuscles is
  • Anaerobic
  • Aerobic
  • Both A and B
  • Fermentation
Answer: Anaerobic
Q22 | Yeast
  • Respires an aerobically, due to lack of mitochondria
  • Respires aerobically, if it gets O2, otherwise perform alcoholic fermentation
  • Respires aerobically
  • Can perform alcoholic fermentation
Answer: Respires aerobically, if it gets O2, otherwise perform alcoholic fermentation
Q23 | The end product of glycolysis of a glucose molecule is
  • Pyruvic acid, NADH2 and ADP
  • Pyruvic acid, 2H+, 2e and 4 ATP
  • 2 Pyruvic acid, 2NADH2 and ATP
  • 2 Pyruvic acid, NADH2 and 2 ATP
Answer: 2 Pyruvic acid, NADH2 and 2 ATP
Q24 | The enzyme required to form acetaldehyde from pyruvic acid is
  • Hexokinase
  • Oxidase
  • Pyruvic acid decarboxylase
  • Alcohol dehydrogenase
Answer: Pyruvic acid decarboxylase
Q25 | Phosphorylation in general is ________
  • Combination of phosphoric acid with a chemical
  • Formation of PGA by adding P to glycerate
  • Addition of ATP to glucose
  • Synthesis ATP from ADP and P
Answer: Combination of phosphoric acid with a chemical
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