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Respiration MCQ Questions NEET Biology with Answers
Question: Respiration is
- a) Catabolic process
- b) Endothermic process
- c) Anabolic process
- d) None of the above
Answer: Catabolic process
Question: Metabolism involves
- a) Both a and b
- b) Anabolic process
- c) Catabolic process
- d) None of the above
Answer: Both a and b
Question: Organisms obtain energy through
- a) Respiration
- b) Excretion
- c) Digestion
- d) Reproduction
Answer: Respiration
Question: Respirations is a
- a) Exergonic process
- b) Neutralisation reaction
- c) Endepgonic process
- d) None of the above
Answer: Exergonic process
Question: During respiration the food is
- a) Oxidised
- b) Reduced
- c) Both oxidised and reduced
- d) Neither oxidised nor reduced
Answer: Oxidised
Question: Which of the following is a main respiratory substrate in animals
- a) Glucose
- b) Starch
- c) Proteins
- d) Fructose
Answer: Glucose
Question: During the formation of ATP from ADP, which is released
- a) Water
- b) Oxygen
- c) None of the above
- d) Energy
Answer: Water
Question: Respiration is found in
- a) All of these
- b) Only animals
- c) Prokaryotes
- d) Bacteria
Answer: All of these
Question: Respiratory substrate is completely oxidised in
- a) Aerobic respiration
- b) Anaerobic’ respiration
- c) Fermentation
- d) None of the above
Answer: Aerobic respiration
Question: In which of the following types of respiration, the amount of energy released is comparatively more
- a) Aerobic respiration
- b) Anaerobic respiration
- c) Equal energy is released in both A and B
- d) None of these in correct
Answer: Aerobic respiration
Question: Fermentation occurs in the
- a) Absence of oxygen
- b) Presence of oxygen
- c) Presence of water
- d) Mitochondria
Answer: Absence of oxygen
Question: First stage in respiration is
- a) Glycolysis
- b) Krebs cycle
- c) ETS
- d) Glycogenesis
Answer: Glycolysis
Question: Glucose is converted to pyruvic acid in
- a) Glycolysis.
- b) C3 cycle
- c) C4 cycle
- d) Krebs cycle
Answer: Glycolysis.
Question: Number of pyruvic acid molecules formed in glycolysis is
- a) 2
- b) 3
- c) 6
- d) 1
Answer: 2
Question: Number of carbons present in a pyruvic acid t molecule is
- a) 3
- b) 4
- c) 6
- d) 2
Answer: 3
Question: Glycolysis occurs in
- a) Cytoplasm
- b) Mitochondria
- c) Chloroplast
- d) Golgi complex
Answer: Cytoplasm
Question: Number of oxygen molecules used in glycolysis
- a) 0
- b) 6
- c) 4
- d) 12
Answer: 0
Question: Number of CO2 molecules produced in glycolysis is
- a) 0
- b) 4
- c) 3
- d) 2
Answer: 0
Question: In respiration, final acceptor of protons is :
- a) Oxygen
- b) NAD+
- c) FAD
- d) UQ
Answer: Oxygen
Question: Which is not formed during anaerobic respiration ?
- a) Acetyl CoA
- b) Ethyl alcohol
- c) Pyruvate
- d) None of the above
Answer: Acetyl CoA
More Questions................................................
Question: ADP combines with inorganic phosphate (Pi) to give
- a) ATP
- b) AMK
- c) GDP
- d) GTP
Answer: ATP
Question: Dihydroxy acetone phosphate is a
- a) 3 C compound
- b) 4 C compound
- c) 6 C compound
- d) 2 C compound
Answer: 3 C compound
Question: Number of ATPs consumed in glycolysis are
- a) 2
- b) 4
- c) 6
- d) 8
Answer: 2
Question: Substrate in glycolysis is normally
- a) Glucose
- b) Phosphoglyceric acid
- c) Fructose
- d) Pyruvic acid
Answer: Glucose
Question: Decarboxylation of pyruvic acid results in the formation of
- a) Acetyl CoA
- b) Water
- c) Glucose
- d) PGA.
Answer: Acetyl CoA
Question: Number of direct ATPs produced in glycolysis is
- a) 4
- b) 6
- c) 1
- d) 2
Answer: 4
Question: Number of reduced coenzymes NADH produced during glycolysis are
- a) 2
- b) 4
- c) 6
- d) 1
Answer: 2
Question: Net gain of glycolysis is
- a) 2 ATP and 2 NADH + H+
- b) 10 ATP and 6 NADH + H+
- c) 6 ATP and 4 NADH + H+
- d) 3 ATP and 1 NADH + H+
Answer: 2 ATP and 2 NADH + H+
Question: In respiration, the oxygen is used in
- a) ETS
- b) Fermentation
- c) Krebs cycle
- d) Glycolysis
Answer: ETS
Question: One molecules of NADH+ H + gives how many ATPs in ETS
- a) 3 ATP
- b) 4 ATP
- c) 6 ATP
- d) 2 ATP
Answer: 3 ATP
Question: Conversion of pyruvic acid to acetyl Co A is called
- a) Oxidative decarboxylation
- b) Fermentation
- c) Glycolysis
- d) ETS
Answer: Oxidative decarboxylation
Question: Reduction of acetaldehyde gives
- a) Ethyl alcohol
- b) Methyl alcohol
- c) Glycerol
- d) All these
Answer: Ethyl alcohol
Question: Lactic acid is formed due to the reduction of
- a) Pyruvic acid
- b) Acetaldehyde
- c) Malic acid
- d) Acetyl CoA
Answer: Pyruvic acid
Question: Fermentation is the primary mode of energy production in
- a) Yeast
- b) Algae.
- c) Animals
- d) Higher plants
Answer: Yeast
Question: Krebs cycle occurs in
- a) Mitochondrial matrix
- b) Cytoplasmic matrix
- c) F1 particles
- d) All these
Answer: Mitochondrial matrix
Question: Krebs cycle is also known as
- a) Both a and b
- b) Citric acid cycle
- c) TCA cycle
- d) None of the above
Answer: Both a and b
Question: The location of ETS is
- a) Inner mitochondrial membrane
- b) Cytoplasm
- c) Mitochondria! matrix
- d) Outer mitochondrial membranes
Answer: Inner mitochondrial membrane
Question: Krebs cycle starts with the condensation of acetyl CoA with
- a) Oxalo-acetic acid
- b) Pyruvic aicd
- c) Malic acid
- d) Citric acid
Answer: Oxalo-acetic acid
Question: Citric acid cycle was proposed by
- a) Krebs
- b) Calvin
- c) Mendel
- d) Lavosier
Answer: Krebs
Question:
- a) 5 carbons
- b) 6 carbons
- c) 4 carbons
- d) 3 carbons
Answer: 5 carbons
Question: Direct synthesis of ATPs in one turn of Krebs cycle is
- a) 1
- b) 2
- c) 3
- d) 4
Answer: 1
Question: Number of NADH + H+, formed in one turn of Krebs cycle is
- a) 4
- b) 2
- c) 6
- d) 5
Answer: 4
Question: Number of FADH2 formed in one turn of Krebs cycle is
- a) 1
- b) 2
- c) 3
- d) 4
Answer: 1
Question: Number of ATPs which can be generated by one FADH2 in ETS are
- a) 2
- b) 3
- c) 4
- d) 1
Answer: 2
Question: Formation of ATP occurs
- a) On F1 particles
- b) In mitochondrial DNA
- c) Mitochondrial matrix
- d) In outer mitochondrial membrane
Answer: On F1 particles
Question: Formation of ATPs in mitochondria is known as
- a) Oxidative phosphorylation
- b) Cyclic photophosphorylation
- c) Noncyclic photophosphorylatian
- d) Fermentation
Answer: Oxidative phosphorylation
Question: Phosphorylation means
- a) Formation of ATP
- b) Breakdown of ATP
- c) Formation of PGA
- d) Formation of reduced coenzymes
Answer: Formation of ATP
Question: Oxidative phosphorylation occurs in
- a) Mitochondria
- b) Chloroplast
- c) Cytoplasm
- d) Golgi bodies
Answer: Mitochondria
Question: The metal ion present in cytochromes is
- a) Iron
- b) Iron
- c) Magnesium
- d) Zinc
Answer: Iron
Question: CO2 release occurs in
- a) Respiration
- b) Photosynthesis
- c) Photosynthesis
- d) Guttation
Answer: Respiration
Question: R.Q. stands for
- a) Respiratory quotient
- b) Reduction quotient
- c) Reverse quotient
- d) None of these
Answer: Respiratory quotient
Question: R.Q. of carbohydrates is
- a) 1
- b) 2
- c) 3
- d) 4
Answer: 1
Question: R.Q. of anaerobic respiration is
- a) Infinity
- b) Zero
- c) Less than one
- d) More than one
Answer: Infinity
Question: When amount of CO2 taken from atmosphere (in photosynthesis) becomes equal to the amount of CO2 released in atmosphere (in respiration), this is called
- a) Compensation point
- b) Equal distribution
- c) Balance point
- d) Final point
Answer: Compensation point
Question: Alternative pathway for respiration is
- a) Pentose phosphate pathway
- b) Pentose phosphate pathway
- c) C3 cycle
- d) C4 cycle
Answer: Pentose phosphate pathway
Question: Which of the following processes is common for aerobic and anaerobic respiration
- a) Glycolysis
- b) Krebs cycle
- c) ETS
- d) None of these
Answer: Glycolysis
Question: Anaerobic respiration is also called
- a) Fermentation
- b) PPP pathway
- c) Glycolysis
- d) Krebs cycle
Answer: Fermentation
Question: How many ATP are formed during dephosphorylation in glycolysis ?
- a) 4ATP
- b) 3 ATP
- c) 6ATP
- d) 2ATP
Answer: 4ATP
Question: R.Q. of oxalic acid is
- a) 4
- b) Infinity
- c) 0.7
- d) 1
Answer: 4
Question: Which process occurs in cytosol ?
- a) Glycolysis
- b) Oxidative phosphorylation
- c) Krebs cycle
- d) Photosynthesis
Answer: Glycolysis
Multiple Choice Questions (MCQs) for NEET Biology Respiration
Chapter MCQs with Answers for NEET Biology
Review these MCQs for Respiration to check your active preparation status. Aligned with current NEET standards for NEET Biology, these multiple-choice sets offer targeted daily drills. Routine practice on these objective questions ensures a solid grasp of key concepts for upcoming tests.
Respiration NCERT Based Objective Questions
Crafted around the standard NCERT book for NEET, these Biology MCQs target crucial recurring exam themes. Check your responses using our attached answer sheet. Pair your study with our expert NCERT solutions for NEET Biology for full mastery of Respiration.
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FAQs
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