759 + Interview Questions in RESPIRATION IN GENERAL AWARENESS Page 11 InterviewSolution

501.	Fermentation isA. Anaerobic respirationB. Incomplete oxidationC. Complete oxidation of carbohydratesD. None of the above
Answer» Correct Answer - A

Discussion

502.	R.Q. for glucose (carbohydrates) isA. 1B. 0.5C. 2D. 0.05
Answer» Correct Answer - A

Discussion

503.	Match the columns A. a-2, b-5, c-3, d-1B. a-3, b-1, c-4, d-2C. a-5, b-1, c-4, d-2D. a-5, b-3, c-1, d-2
Answer» Correct Answer - C

Discussion

504.	Acetyl CoA is a product ofA. `beta`-oxidation of fatty acidsB. Deamination of amino acidsC. GlycolysisD. All the above
Answer» Correct Answer - D

Discussion

505.	R.Q. for fatty substance/fat isA. UnityB. Greater than oneC. Less than oneD. Zero
Answer» Correct Answer - B

Discussion

506.	Energy liberated during respiration is stored asA. ATPB. ADPC. FADD. NADP.
Answer» Correct Answer - A

Discussion

507.	How many six carbon organic acids occur in TCA cycleA. 1B. 3C. 2D. 4
Answer» Correct Answer - B

Discussion

508.	Why does oxidation of fatty acids give more energy?
Answer» Oxidation of fatty acids give more energy due to the presence of more carbon atoms in them.

Discussion

509.	Oxidative decarboxylation occurs during the reactionA. Citrate `rarr` IsocitrateB. Pyruvic acid `rarr` Acetyl CoAC. Succinate `rarr` FumarateD. Fumarate `rarr` Malate.
Answer» Correct Answer - B

Discussion

510.	Which substance is present in `F_(1)` head piece given in diagram A. Peripheral membrane lipid complexB. Peripheral membrane protein complexC. Peripheral membrane glycolipid complexD. Both A and B
Answer» Correct Answer - B

Discussion

511.	Oxidative decarboxylation occurs during formation ofA. Citric acid and succinic acidB. Citric acid and oxaloacetic acidC. Acetyl CoA and succinyl CoAD. Oxaloacetic acid and oxalosuccinic acid.
Answer» Correct Answer - C

Discussion

512.	What is respiratory quoient during germination of fatty seedsA. UnityB. Less than unityC. More than unityD. Zero
Answer» Correct Answer - B

Discussion

513.	Given below is an electron acceptor. Mention its status which is labelled as a `Cyt^(++)overset(2e)rarrCyt^(+++)a`A. OxidisedB. ReducedC. PhosphorylationD. Hydrated.
Answer» Correct Answer - B

Discussion

514.	There is no transfer of electrons from cyt b to cyt c asA. Energy is not availableB. The two are not nearbyC. Electron are transported in pairsD. Electrons have no affinity for cyto-chromes.
Answer» Correct Answer - B

Discussion

515.	The difference between respiration and combustion is related to respiration beingA. MultistepB. Enzyme controlledC. IntracellularD. All the above
Answer» Correct Answer - D

Discussion

516.	In respiration, the energy not captured by ATP isA. Transferred to organic compoundsB. Converted into heatC. Liberated alongwith `CO_(2)`D. Transferred to water.
Answer» Correct Answer - B

Discussion

517.	Both respiration and photosynthesis requireA. SunlightB. ChlorophyllC. GlucoseD. Cytochromes.
Answer» Correct Answer - D

Discussion

518.	Net rate of respiration is higher than that of photosynthesis. The plant willA. Not dieB. Die of starvationC. continue to live but not growD. Show better growth due to greater availability of energy.
Answer» Correct Answer - B

Discussion

519.	To liberate energy glucose must be ……… in the laboratory. A) cooled at low temperature B) burnt at high temperature C) burnt at low temperature D) B or C
Answer» B) burnt at high temperature

Discussion

520.	Match the following.1. Grass hoppera) Gills2. Prawnb) Trachea3. Frogc) SkinA) 1 – c, 2 – b, 3 – a B) 1 – a, 2 – c, 3 – b C) 1 – b, 2 – c, 3 – a D) 1 – b, 2 – a, 3 – c
Answer» D) 1 – b, 2 – a, 3 – c

Discussion

521.	What will happen to plants if rate of respiration is more than photosynthesis? A) Live long but can’t store carbohydrates B) Plant dies C) Plant grows rapidly D) Growth reduces due to hungry
Answer» (A) Live long but can’t store carbohydrates

Discussion

522.	The rate of transpiration is more in the following days of atmosphere. A) Cold, humid B) Hot, humid, dry C) Hot, humid D) Hot, dry, air
Answer» (D) Hot, dry, air

Discussion

523.	Identify the part which is present in the plants for respiration.A) Stomata B) Lenticels C) Aerial roots D) All
Answer» Answer is (D) All

Discussion

524.	“For the survival of mankind expiration and inspiration are must” It is ………A) true B) falseC) incorrect Explanation D) may be or may not be
Answer» “For the survival of mankind expiration and inspiration are must” It is true

Discussion

525.	Name the food material on which trypsin acts and name the end products.
Answer» i) Protein ii) End products – peptones.

525.

Name the food material on which trypsin acts and name the end products.

Answer»

i) Protein

ii) End products – peptones.

Discussion

526.	“Respiration is the energy releasing process.” Write your opinion on this statement.
Answer» The given statement is absolutely correct. We respire to use the oxygen to oxidise our food and release energy. This is similar like burning but a slower process. With the help of respiratory enzymes, energy released can be stored in the form of ATP for later use.

Discussion

527.	Identify the figure.
Answer» Aerial roots in Mangrove plants.

Discussion

528.	Sir Hans Krebs, was born in …………..A. AustriaB. EnglandC. GermanyD. USA
Answer» Correct Answer - C

Discussion

529.	What are your observations in the combustion of sugar activity?
Answer» Observations in the combustion of sugar: 1. When sugar is heated, first it melts, chars and later burns producing flames. 2. When sugar is combusted, carbon dioxide and water are produced. 3. Energy is also released in the form of heat and it released at once. 4. We cannot control the combustion of sugar. 5. Intermediate products are not formed. 6. We can combust sugar in the absence of water and enzymes. 7. When combustion of sugar, heat energy is released into the atmosphere and we cannot store it for further use.

529.

What are your observations in the combustion of sugar activity?

Answer»

Observations in the combustion of sugar:

1. When sugar is heated, first it melts, chars and later burns producing flames.

2. When sugar is combusted, carbon dioxide and water are produced.

3. Energy is also released in the form of heat and it released at once.

4. We cannot control the combustion of sugar.

5. Intermediate products are not formed.

6. We can combust sugar in the absence of water and enzymes.

7. When combustion of sugar, heat energy is released into the atmosphere and we cannot store it for further use.

Discussion

530.	How much of the energy released during aerobic respiration is approximately conserved in the form of ATPA. 0.2B. 0.4C. 0.6D. 1
Answer» Correct Answer - B

Discussion

531.	Link reaction refers to the followingA. ATP `to`ATPB. Pyruvic acid `to`Acetyl CoAC. Acetyl CoA `to`citric acidD. Glucose `to`Pyruvic acid
Answer» Correct Answer - B

Discussion

532.	In Anabrobic respiration only ………………ATP molecules are prodeced.A. 4B. 2C. 6D. 8
Answer» Correct Answer - B

Discussion

533.	Respiratory centre is situated in ……(a) Cerebellum (b) Medulla oblongata (c) Hypothalamus (d) Cerebrum
Answer» (b) Medulla oblongata

Discussion

534.	Breathing is controlled by ……….. (a) cerebrum (b) medulla oblongata (c) cerebellum (d) pons
Answer» (b) medulla oblongata

Discussion

535.	Mitochondrial matrix has enzymes forA. Krebs cycleB. TCA cycle and electron transportC. Glycolysis and TCA cycleD. Both B and C
Answer» Correct Answer - A

Discussion

536.	The mobile electron carrier of mitochondrial membrane isA. `Cyt_(a_(3))`B. FeSC. CoQD. `Cyt_(c_(1))`
Answer» Correct Answer - C

Discussion

537.	The order of aerobic respiration in plant cell is: (a) glycolysis, Kreb’s cycle, pyruvate oxidation and electron transport chain (b) glycolysis, pyruvate oxidate, Kreb’s cycle, electron transport chain (c) pyruvate oxidation, glycolysis, Kreb’s cycle, electron transport chain (d) none of the above order
Answer» (b) glycolysis, pyruvate oxidate, Kreb’s cycle, electron transport chain

Discussion

538.	Enzymes located in mitochondrial membrane areA. Enolase and catalaseB. Flavoproteins and cytochromesC. Hexokinase and zymaseD. Citrate synthetase and glutamate dehydrogenase.
Answer» Correct Answer - B

Discussion

539.	The number of ATP molecules formed by complete oxidation of one molecule of pyruvic acid is: (a) 12 (b) 13 (c) 14 (d) 15
Answer» Correct Answer is : (a) 12

Discussion

540.	Mention any two electron transport chain inhibitors.
Answer» Two electron transport chain inhibitors: 1. 2, 4 DNP (Dinitrophenol) – It prevents synthesis of ATP from ADP, as it directs electrons from Co Q to O₂ . 2. Cyanide – It prevents flow of electrons from Cytochrome a₃ to O₂

540.

Mention any two electron transport chain inhibitors.

Answer»

Two electron transport chain inhibitors:

1. 2, 4 DNP (Dinitrophenol) – It prevents synthesis of ATP from ADP, as it directs electrons from Co Q to O₂ .

2. Cyanide – It prevents flow of electrons from Cytochrome a₃ to O₂

Discussion

541.	During oxidation of two molecules of cytosolic NADH + H+ , number of ATP molecules produced in plants are: (a) 3 (b) 4 (c) 6 (d) 8
Answer» Correct Answer is : (c) 6

Discussion

542.	All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme isA. Lactate dehyderogenaseB. Malate dehydrogenaseC. Isocitrate dehydrogenaseD. Succinate dehydrogenase.
Answer» Correct Answer - D

Discussion

543.	Out of six protons extruded into outer mitochondrial chember, only two are available form `NADH+H^(+)`. The others come formA. `FADH_(2)`B. `NADPH+H^(+)`C. MatrixD. Both A and B.
Answer» Correct Answer - A

Discussion

544.	In glycolysis, NADH is produced during reactionA. Dihydroxy acetone 3 - P `rarr` Glyceraldehyde 3-PB. Glyceraldehyde 3-P `rarr` 1 : 3 diphosphoglyceric acidC. Fructose 1 : 6 diphosphate `rarr` GaP + DiHAP.D. Phosphenol pyrurate `rarr` Pyruvic acid.
Answer» Correct Answer - A

Discussion

545.	Explain the reactions taking place in mitochondrial inner membrane.
Answer» In plants, an additional NADH dehydrogenase (External) complex is present on the outer surface of inner membrane of mitochondria which can oxidise cytosolic NADH + H⁺ . Ubiquinone (UQ) or Coenzyme Quinone (Co Q) is a small, lipid soluble electron, proton carrier located within the inner membrane of mitochondria.

Discussion

546.	How many molecules of CO are produced during link reaction: (a) 1 (b) 6 (c) 4 (d) 2
Answer» Correct Answer is: (d) 2

Discussion

547.	Mention the role of NADH dehydrogenase enzyme in electron transport system.
Answer» NADH dehydrogenase contains a flavoprotein (FMN) and associated with non – heme iron Sulphur protein (Fe – S). This complex is responsible for passing electrons and protons from mitochondrial NADH (Internal) to Ubiquinone (UQ).

Discussion

548.	Inner mitochondrial membrane is not permeable toA. NADHB. PyruvateC. AcetateD. `alpha`-ketoglutarate.
Answer» Correct Answer - A

Discussion

549.	Enzymes of Krebs cycle occur in mitocho-ndrial matrix except one which is attached to inner mitochondrial membraneA. Citrate sysnthetaseB. `alpha`-keto glutarate dehydrogenaseC. Succinate dehydrogenaseD. Malate dehydrogenase.
Answer» Correct Answer - C

Discussion

550.	In muscles and nerves, cytoplasmic NADH yieldsA. 3 ATPB. 2 ATPC. 1 ATPD. No ATP
Answer» Correct Answer - B

Discussion

Explore topic-wise InterviewSolutions in .

Fermentation isA. Anaerobic respirationB. Incomplete oxidationC. Complete oxidation of carbohydratesD. None of the above

R.Q. for glucose (carbohydrates) isA. 1B. 0.5C. 2D. 0.05

Match the columns A. a-2, b-5, c-3, d-1B. a-3, b-1, c-4, d-2C. a-5, b-1, c-4, d-2D. a-5, b-3, c-1, d-2

Acetyl CoA is a product ofA. `beta`-oxidation of fatty acidsB. Deamination of amino acidsC. GlycolysisD. All the above

R.Q. for fatty substance/fat isA. UnityB. Greater than oneC. Less than oneD. Zero

Energy liberated during respiration is stored asA. ATPB. ADPC. FADD. NADP.

How many six carbon organic acids occur in TCA cycleA. 1B. 3C. 2D. 4

Why does oxidation of fatty acids give more energy?

Oxidative decarboxylation occurs during the reactionA. Citrate `rarr` IsocitrateB. Pyruvic acid `rarr` Acetyl CoAC. Succinate `rarr` FumarateD. Fumarate `rarr` Malate.

Which substance is present in `F_(1)` head piece given in diagram A. Peripheral membrane lipid complexB. Peripheral membrane protein complexC. Peripheral membrane glycolipid complexD. Both A and B

Oxidative decarboxylation occurs during formation ofA. Citric acid and succinic acidB. Citric acid and oxaloacetic acidC. Acetyl CoA and succinyl CoAD. Oxaloacetic acid and oxalosuccinic acid.

What is respiratory quoient during germination of fatty seedsA. UnityB. Less than unityC. More than unityD. Zero

Given below is an electron acceptor. Mention its status which is labelled as a `Cyt^(++)overset(2e)rarrCyt^(+++)a`A. OxidisedB. ReducedC. PhosphorylationD. Hydrated.

There is no transfer of electrons from cyt b to cyt c asA. Energy is not availableB. The two are not nearbyC. Electron are transported in pairsD. Electrons have no affinity for cyto-chromes.

The difference between respiration and combustion is related to respiration beingA. MultistepB. Enzyme controlledC. IntracellularD. All the above

In respiration, the energy not captured by ATP isA. Transferred to organic compoundsB. Converted into heatC. Liberated alongwith `CO_(2)`D. Transferred to water.

Both respiration and photosynthesis requireA. SunlightB. ChlorophyllC. GlucoseD. Cytochromes.

Net rate of respiration is higher than that of photosynthesis. The plant willA. Not dieB. Die of starvationC. continue to live but not growD. Show better growth due to greater availability of energy.

To liberate energy glucose must be ……… in the laboratory. A) cooled at low temperature B) burnt at high temperature C) burnt at low temperature D) B or C

Match the following.1. Grass hoppera) Gills2. Prawnb) Trachea3. Frogc) SkinA) 1 – c, 2 – b, 3 – a B) 1 – a, 2 – c, 3 – b C) 1 – b, 2 – c, 3 – a D) 1 – b, 2 – a, 3 – c

What will happen to plants if rate of respiration is more than photosynthesis? A) Live long but can’t store carbohydrates B) Plant dies C) Plant grows rapidly D) Growth reduces due to hungry

The rate of transpiration is more in the following days of atmosphere. A) Cold, humid B) Hot, humid, dry C) Hot, humid D) Hot, dry, air

Identify the part which is present in the plants for respiration.A) Stomata B) Lenticels C) Aerial roots D) All

“For the survival of mankind expiration and inspiration are must” It is ………A) true B) falseC) incorrect Explanation D) may be or may not be

Name the food material on which trypsin acts and name the end products.

“Respiration is the energy releasing process.” Write your opinion on this statement.

Identify the figure.

Sir Hans Krebs, was born in …………..A. AustriaB. EnglandC. GermanyD. USA

What are your observations in the combustion of sugar activity?

How much of the energy released during aerobic respiration is approximately conserved in the form of ATPA. 0.2B. 0.4C. 0.6D. 1

Link reaction refers to the followingA. ATP `to`ATPB. Pyruvic acid `to`Acetyl CoAC. Acetyl CoA `to`citric acidD. Glucose `to`Pyruvic acid

In Anabrobic respiration only ………………ATP molecules are prodeced.A. 4B. 2C. 6D. 8

Respiratory centre is situated in ……(a) Cerebellum (b) Medulla oblongata (c) Hypothalamus (d) Cerebrum

Breathing is controlled by ……….. (a) cerebrum (b) medulla oblongata (c) cerebellum (d) pons

Mitochondrial matrix has enzymes forA. Krebs cycleB. TCA cycle and electron transportC. Glycolysis and TCA cycleD. Both B and C

The mobile electron carrier of mitochondrial membrane isA. `Cyt_(a_(3))`B. FeSC. CoQD. `Cyt_(c_(1))`

Enzymes located in mitochondrial membrane areA. Enolase and catalaseB. Flavoproteins and cytochromesC. Hexokinase and zymaseD. Citrate synthetase and glutamate dehydrogenase.

The number of ATP molecules formed by complete oxidation of one molecule of pyruvic acid is: (a) 12 (b) 13 (c) 14 (d) 15

Mention any two electron transport chain inhibitors.

During oxidation of two molecules of cytosolic NADH + H+ , number of ATP molecules produced in plants are: (a) 3 (b) 4 (c) 6 (d) 8

All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme isA. Lactate dehyderogenaseB. Malate dehydrogenaseC. Isocitrate dehydrogenaseD. Succinate dehydrogenase.

Out of six protons extruded into outer mitochondrial chember, only two are available form `NADH+H^(+)`. The others come formA. `FADH_(2)`B. `NADPH+H^(+)`C. MatrixD. Both A and B.

In glycolysis, NADH is produced during reactionA. Dihydroxy acetone 3 - P `rarr` Glyceraldehyde 3-PB. Glyceraldehyde 3-P `rarr` 1 : 3 diphosphoglyceric acidC. Fructose 1 : 6 diphosphate `rarr` GaP + DiHAP.D. Phosphenol pyrurate `rarr` Pyruvic acid.

Explain the reactions taking place in mitochondrial inner membrane.

How many molecules of CO are produced during link reaction: (a) 1 (b) 6 (c) 4 (d) 2

Mention the role of NADH dehydrogenase enzyme in electron transport system.

Inner mitochondrial membrane is not permeable toA. NADHB. PyruvateC. AcetateD. `alpha`-ketoglutarate.

Enzymes of Krebs cycle occur in mitocho-ndrial matrix except one which is attached to inner mitochondrial membraneA. Citrate sysnthetaseB. `alpha`-keto glutarate dehydrogenaseC. Succinate dehydrogenaseD. Malate dehydrogenase.

In muscles and nerves, cytoplasmic NADH yieldsA. 3 ATPB. 2 ATPC. 1 ATPD. No ATP