NEET Daily Practice Papers - Biology - Respiration
275 Questions/Answers
Why do fruit juices turn bitter if kept in an open place for sometime?
Answer:
Explanation:
Lowest rate of respiration will be in?
Slow respiring plants or plant tissues are?
Roots can take oxygen when it is in?
What is active glucose?
Robinson's ester is?
Which of the following is directly affected by deficiency of Fe?
Fruit keep better in refrigeration, this is due to?
The organism in which Kreb's cycle does not occur in mitochondria is?
A characteristic feature of ripening of some fruits (like banana) is a sudden increase in respiration which is known as?
R.Q. is highest when respiratory substance is?
An indispensible role in energy metabolism is played by?
Fermentation is conducted by?
Anaerobic respiration is also known as?
Vant Hoff's law states that?
How many ATP will be produced during the production of 1 molecule of acetyl CoA from 1 molecule of pyruvic acid?
High fatty acids are breaking by?
Arachidonic acid is?
Each molecule of NADH2 releases how many number of ATP molecules?
Photorespiration is favoured by?
In fermentation, yeast secrets one of the following enzyme
Which molecule listed below is a product of fermentation of glucose by yeast?
Which one of the following reactions represents anaerobic respiration?
Anaerobe products of fermentation are
Anaerobic process after glycolysis is called
Pasteur effect is concerned with the shifting of environmental conditions from
When yeast ferments glucose, the products obtained are
Organism which can respire in absence of O2 is
Cyanide resistant pathway is
Lactic acid converted into alcohol in process called
Energy accumulate in ATP in
In plants, respiration takes place
Which of the following show higher rate of respiration
C2 cycle is studied in
Respiration is a
On which substrate enzyme lipase works
Which of the substrate is used in protoplasmic respiration
Which of the following leaves will show maximum rate of respiration
For which of the following process presence of chlorophyll is not necessary
Respiration is essential for
Which of the following process is immediately affected by the loss of ATP?
The rate of respiration could be checked by:
If a starved plant is provided with glucose, the rate of respiration would:
Oxidative phosphorylation is related to the formation of:
Both respiration and photosynthesis require the following:
After respiration, the conversion of energy is mainly in the form of:
The end products of respiration in plants are:
Energy obtained by cell from catabolism is stored immediately in the form of:
Common immediate source of energy in cellular activity or Energy currency of the cell is:
Evolution of CO2 is more than intake of oxygen when:
The net gain of energy from one gram molecule of glucose during aerobic respiration is:
If carbon dioxide contents of the atmosphere is as high as 300 ppm:
Different steps in respiration are controlled by:
To a living organism, which of the following has the greater amount of available energy per molecule:
Which cell organelle is required in photorespiration:
Instantaneous source of energy is:
Energy given by one molecule of ATP is:
Respiration is an:
Who among the following can be said to be the “Father of Indian Physiology”:
The energy yield as a result of total oxidation of one glucose molecule during cellular respiration is to convert:
The synthesis of ATP in photosynthesis and respiration is essentially an oxidation–reduction process involving removal of energy from
TPP means
The connecting link among glycolysis, Kreb's cycle and beta–oxidation of fatty acid is
Aerobic respiration of glucose produces energy
Respiration occurs
In plants, energy is produced during the process
Which of the following is the source of respiration
In the process of respiration the potential energy stored in the organic compounds is released in the form of
Carbon dioxide liberates during
What is the importance of respiration in plants
Aerobic respiration is more advantageous to a large organism than anaerobic respiration, because aerobic respiration
Intake of CO2 and outlet of O2 is equal in photosynthesis and respiration, then the condition is known as
During 24 hours there is a time when plants neither give O2 nor CO2. This is the time of
If CO2 is given off in respiration, why does the amount of CO2 in the atmosphere remains relatively constant
Respiration is a process in which
Respiration differs from the process of combustion in the fact that
Oxidative phosphorylation occurs during the process of
Cut surfaces of fruit and vegetables often become dark because
Cytochrome is related to
Which of the scientific paper would you assign to plant physiology
When ATP is converted into ADP, it releases
Leaves of annual plants obtain O2 through
Adenosine diphospate contains
Heat energy of plants is measured in
Enzymes related with cristae are related with
Highest calories is obtained from
In oxidative phosphorylation, oxidation and phosphorylation take place simultaneously and form
Make suitable pairing: (A) Glycolysis, (B) Kreb's cycle, (C) Electron transport chain
The amount of energy released in complete oxidation of one molecule of glucose is
The mechanism of ATP formation both in chloroplast and mitochondria is explained by
Which of the following is formed during respiration
Net gain of ATP molecules, during aerobic respiration, is
In mitochondria, cristae act as sites for
The energy consumed during the conversion of ADP into ATP is
Which of the following is the phosphorylating unit
Cristae helps in
Cristae are associated with which of the following
From substrate level phosphorylation ATP are produced
The net gain of energy, from one molecule of sucrose in aerobic respiration, is
The high-energy bonds of ATP are between
Chemiosmotic mechanism of ATP synthesis was proposed by
The aerobic respiration yields
Salt respiration is also called as
Degradation of sugar and fat to Acetyl CoA will not take place if the following organelle is not present in a eukaryotic cell
Which of the following is utilized first in respiration
An ATP molecule is structurally most similar to a molecule of
Which of the following forms the connecting link between glycolysis and Kreb’s cycle
ATP is synthesized in which part of mitochondria
Cell respiration is carried out by
Mechanism of ATP production in aerobic respiration was given by
ATP was discovered by
Ganong's respiroscope is used to demonstrate…….
Which of the following is involved in the catalysis of link reaction during aerobic respiration
The process by which there is inhibition of aerobic respiration by atmospheric O2 is
In submerged hydrophytes entry of CO2 is through
In carbon dioxide reduction ATP is
A single ATP produce
ATP stands to
Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on
Richest energy compound in
Which is common in respiration and photosynthesis?
Respiration initiated in chloroplasts and occurs in light is called
The organelle associated with aerobic respiration is
Metabolism is
Glycolysis was invented by
For the enzyme enolase, the substrate is
Conversion of fructose–6–phosphate to fructose 1, 6 diphosphate is catalysed by
How many ATP are used in glycolysis or For complete phosphorylation of a glucose molecule, how many ATP molecules are required
Which of the following is called Newber's ester
Which of the following is called the Harden and Young's ester
Which of the following is formed in presence of pyruvate kinase
Isomerization step takes place in
How many water molecules are used in glycolysis
The function of aldolase enzyme during respiration is to catalyze phosphoglyceraldehyde
Which of the following process should not operate when organic acids are used as respiratory substrates
In cellular respiration O2 is used as a final receptor of
First stage in respiration is
Besides the net gain of 2 ATP molecules in glycolysis which other molecules are simultaneously formed
Which of the following is the product of phosphorylation
In glycolysis, the end product is
Assertion: In alcoholic fermentation, the hexose molecule is converted into glucose and fructose. Reason: Alcoholic fermentation is anaerobic respiration brought about by enzyme zymase.
Assertion: Glycolysis occurs in cytoplasm. Reason: Enzymes for glycolysis are found in cytoplasm. It is common in aerobic/anaerobic respiration.
Assertion: Power house of cell is mitochondria. Reason: ATP is produced in mitochondria.
Assertion: The inner membrane of mitochondria contains systems involving electron transport. Reason: The mitochondrial matrix contains enzymes of Kreb's cycle.
Assertion: Both hexokinase and glucokinase require divalent cation Mg++ or Mn++. Reason: The divalent cations act as catalysts.
Assertion: The product of the first reaction of the Kreb's cycle is citric acid, a six carbon compound. Reason: The first reaction of the Kreb's cycle is the condensation of acetyl CoA with oxaloacetate.
Assertion: Cytochromes are a group of copper containing electron transferring proteins. Reason: The terminal cytochrome reacts with oxygen.
Assertion: Aerobic respiration consists of two steps. Reason: Glycolysis is called as common pathway.
Assertion: Substrate level phosphorylation is present in glycolysis. Reason: Substrate level phosphorylation causes synthesis of ATP.
Assertion: Under aerobic conditions, pyruvate gives rise to lactate. Reason: Under anaerobic condition, pyruvate gives rise to acetyl CoA.
Assertion: Terminal oxidation occurs both in aerobic and anaerobic conditions. Reason: Terminal oxidation occurs at terminal step of respiration.
Assertion: During the hydrolysis of typical chemical bonds, about 3000 calories per mole are liberated. Reason: ATP also yields about 3000 calories per mole after the release of any one of the two terminal phosphates.
Assertion: One way of indicating the ATP yield from oxidative phosphorylation is the P/O ratio. Reason: The cell stores 40% of the chemical energy.
Assertion: In electron transport chain, there is a gain of energy at each step. Reason: At each step of ETC, there are electron carriers.
Assertion: F1 particles are present in the inner mitochondrial membrane. Reason: An electron gradient formed on the inner mitochondrial membrane, forms ATP.
Conversion of pyruvic acid into lactic acid depends upon
During anaerobic conditions, the rate of glycolysis increases is called as
Who discovered the process of fermentation
Which of the following process may be toxic to plants
A brewery subjects about 1 tonne of purified jaggary to fermentation under ideal conditions. If it has produced 0.3 tonne of alcohol, what quantity of CO2 it has expelled to its atmosphere
Conversion of pyruvic acid into lactic acid depends upon
During anaerobic conditions, the rate of glycolysis increases is called as
Who discovered the process of fermentation?
Which of the following process may be toxic to plants?
A brewery subjects about 1 tonne of purified jaggary to fermentation under ideal conditions. If it has produced 0.3 tonne of alcohol, what quantity of CO2 it has expelled to its atmosphere?
The incomplete breakdown of sugars in anaerobic respiration results in the formation of
Which of the following plant is widely accepted to respire in absence of oxygen?
Alcohol is produced during the process of
When a molecule of pyruvic acid is subjected to anaerobic oxidation and forms lactic acid, there is
The end products of fermentation when sugars are used as raw material
Fermentation is
Conversion of pyruvic acid into ethyl alcohol is facilitated by the enzymes
During anaerobic respiration in yeast
Fermentation is represented by the equation
Anaerobic respiration takes place in the
Anaerobic synthesis found in bacteria is
End product of anaerobic respiration is
In anaerobic respiration in plants
Anaerobic respiration was first of all reported by
What is the total gain of energy during anaerobic respiration
Anaerobic respiration was first of all reported by?
What is the total gain of energy during anaerobic respiration?
In fermentation, yeast secrets which enzyme?
Which molecule is a product of fermentation of glucose by yeast?
Which one of the following reactions represents anaerobic respiration?
Anaerobe products of fermentation are?
Anaerobic process after glycolysis is called?
Pasteur effect is concerned with the shifting of environmental conditions from?
When yeast ferments glucose, the products obtained are?
Organism which can respire in absence of O2 is?
Cyanide resistant pathway is?
Lactic acid converted into alcohol in process called?
Energy accumulate in ATP in?
In plants, respiration takes place?
Which of the following show higher rate of respiration?
C2 cycle is studied in?
Respiration is a?
On which substrate enzyme lipase works?
Which substrate is used in protoplasmic respiration?
Which of the following leaves will show maximum rate of respiration?
Conversion of pyruvic acid into lactic acid depends upon
During anaerobic conditions, the rate of glycolysis increases is called as
Who discovered the process of fermentation?
Which of the following process may be toxic to plants?
A brewery subjects about 1 tonne of purified jaggary to fermentation under ideal conditions. If it has produced 0.3 tonne of alcohol, what quantity of CO2 it has expelled to its atmosphere?
The incomplete breakdown of sugars in anaerobic respiration results in the formation of
Which of the following plant is widely accepted to respire in absence of oxygen?
Alcohol is produced during the process of
When a molecule of pyruvic acid is subjected to anaerobic oxidation and forms lactic acid, there is
The end products of fermentation when sugars are used as raw material
Fermentation is
Conversion of pyruvic acid into ethyl alcohol is facilitated by the enzymes
During anaerobic respiration in yeast
Fermentation is represented by the equation
Anaerobic respiration takes place in the
Anaerobic synthesis found in bacteria is
End product of anaerobic respiration is
In anaerobic respiration in plants
Anaerobic respiration was first of all reported by
What is the total gain of energy during anaerobic respiration?
Assertion: In alcoholic fermentation, the hexose molecule is converted into glucose and fructose. Reason: Alcoholic fermentation is anaerobic respiration brought about by enzyme zymase.
Assertion: Glycolysis occurs in cytoplasm. Reason: Enzymes for glycolysis are found in cytoplasm. It is common in aerobic/anaerobic respiration.
Assertion: Power house of cell is mitochondria. Reason: ATP is produced in mitochondria.
Assertion: The inner membrane of mitochondria contains systems involving electron transport. Reason: The mitochondrial matrix contains enzymes of Kreb's cycle.
Assertion: Both hexokinase and glucokinase require divalent cation Mg++ or Mn++. Reason: The divalent cations act as catalysts.
Assertion: The product of the first reaction of the Kreb's cycle is citric acid, a six carbon compound. Reason: The first reaction of the Kreb's cycle is the condensation of acetyl CoA with oxaloacetate.
Assertion: Cytochromes are a group of copper containing electron transferring proteins. Reason: The terminal cytochrome reacts with oxygen.
Assertion: Aerobic respiration consists of two steps. Reason: Glycolysis is called as common pathway.
Assertion: Substrate level phosphorylation is present in glycolysis. Reason: Substrate level phosphorylation causes synthesis of ATP.
Assertion: Under aerobic conditions, pyruvate gives rise to lactate. Reason: Under anaerobic condition, pyruvate gives rise to acetyl CoA.
Assertion: Terminal oxidation occurs both in aerobic and anaerobic conditions. Reason: Terminal oxidation occurs at terminal step of respiration.
Assertion: During the hydrolysis of typical chemical bonds, about 3000 calories per mole are liberated. Reason: ATP also yields about 3000 calories per mole after the release of any one of the two terminal phosphates.
Assertion: One way of indicating the ATP yield from oxidative phosphorylation is the P/O ratio. Reason: The cell stores 40% of the chemical energy.
Assertion: In electron transport chain, there is a gain of energy at each step. Reason: At each step of ETC, there are electron carriers.
Assertion: F1 particles are present in the inner mitochondrial membrane. Reason: An electron gradient formed on the inner mitochondrial membrane, forms ATP.
Assertion: In alcoholic fermentation, alcohol and CO2 are produced. Reason: Pyruvic acid is decarboxylated and reduced during the process.
Assertion: Acetyl CoA is called the connecting link between glycolysis and Kreb's cycle. Reason: It is synthesized from pyruvic acid before entering the Kreb's cycle.
Assertion: In higher plants, the rate of respiration is highest in growing regions. Reason: Growing regions have more living, actively dividing cells.
Assertion: O2 is necessary for complete oxidation of glucose in aerobic respiration. Reason: O2 acts as the final hydrogen acceptor in the electron transport chain.
Assertion: In glycolysis, glucose is always fully oxidized to carbon dioxide. Reason: Glycolysis produces 2 ATP per glucose molecule.
What is the value of RQ if 192 gms of O2 is consumed and 264 gms of CO2 is produced?
Value of roman 0 Q10 for respiration is
Which of the following is non-enzymatic phosphorylation?
O2 maintains the operation of Kreb's cycle by
When a cell is treated with citrate and malonate
Harden and Young's ester is formed during glycolysis from
Why do fishes in an aquarium thrive better if green plants are growing there because they
Which among the following is the most appropriate reason for storing green coloured apples at low temperature (Refrigerator)
In the process of respiration in plants 180 gms of sugar plus 192 gms of oxygen produce
When ATP molecule is hydrolysed in ADP, then the quantity of energy released is about
The R.Q. (Respiratory quotient) of C39H72O6 is
In alcohol fermentation
The number of glucose molecules required to produce 38 ATP molecules under anaerobic conditions by a yeast cells is
The process used in conversion of pyruvate to acetyl CoA is
Photorespiration is characteristic of
The glycollate metabolism occurs in
Assertion: In alcoholic fermentation, the hexose molecule is converted into glucose and fructose. Reason: Alcoholic fermentation is anaerobic respiration brought about by enzyme zymase.
Assertion: Glycolysis occurs in cytoplasm. Reason: Enzymes for glycolysis are found in cytoplasm. It is common in aerobic/anaerobic respiration.
Assertion: Power house of cell is mitochondria. Reason: ATP is produced in mitochondria.
Assertion: The inner membrane of mitochondria contains systems involving electron transport. Reason: The mitochondrial matrix contains enzymes of Kreb's cycle.
Conversion of pyruvic acid into lactic acid depends upon
During anaerobic conditions, the rate of glycolysis increases is called as
Who discovered the process of fermentation
Which of the following process may be toxic to plants
A brewery subjects about 1 tonne of purified jaggary to fermentation under ideal conditions. If it has produced 0.3 tonne of alcohol, what quantity of CO2 it has expelled to its atmosphere
The incomplete breakdown of sugars in anaerobic respiration results in the formation of
Which of the following plant is widely accepted to respire in absence of oxygen
Alcohol is produced during the process of
When a molecule of pyruvic acid is subjected to anaerobic oxidation and forms lactic acid, there is
The end products of fermentation when sugars are used as raw material
Fermentation is
The end products of fermentation are
Pasteur effect is the
Anaerobic respiration in plants mainly occurs in
In fermentation, the final hydrogen acceptor is
Publish Year
August 2025
Last Update
August 17, 2025
Language
English
Level
expert
Total Questions
275
Document Details
Size: 0.11 MB