The substrate which enters in Krebs’ cycle during oxidation of Glucose is

(1) Pyruvate

(2) Acetyl CoA

(3) Oxaloacetate

(4) Succinate

Subtopic:  Aerobic Respiration |
 85%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Who elucidated Krebs’ cycle for the very first time?

(1) Frederick Kreb

(2) Hans Kreb

(3) Edward Kreb

(4) Tilman Kreb

Subtopic:  Aerobic Respiration |
 91%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following is not used for the cyclic process of cellular respiration of carbohydrates?

(1) Krebs’ cycle

(2) Tricarboxylic Acid Cycle

(3) Citric Acid cycle

(4) Phosphorespiration cycle

Subtopic:  Kreb's Cycle |
 95%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

The very first step of TCA cycle involves except

(1) Citrate synthase

(2) A molecule of coenzyme A is released

(3) Isomerization

(4) Formation of citrate

Subtopic:  Kreb's Cycle |
 68%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

From citrate to alpha-ketoglutarate in TCA cycle all the following reactions happen except

(1) Isomerization

(2) Decarboxylation

(3) Release of Carbon-dioxide

(4) FADHformation

Subtopic:  Kreb's Cycle |
 80%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

From alpha-ketoglutarate to succinyl CoA in TCA cycle which of the following occurs

(1) 4C compound is formed

(2) 5C compound is Formed

(3) 6C compound is formed

(4) 2C compound is regenerated

Subtopic:  Kreb's Cycle |
 82%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Formation of GTP occurs in which of the following steps of Krebs’ cycle?

(1) Conversion of succinyl CoA to succinate

(2) Conversion of alpha-ketoglutarate to succinyl CoA

(3) Conversion of Isocitrate to alpha-ketoglutarate

(4) Conversion of Malate to Oxaloacetate

Subtopic:  Kreb's Cycle |
 88%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

What is that process in which GTP is formed in cellular respiration?

(1) Glycolysis

(2) Oxidative Phosphorylation

(3) Electron Transport Chain

(4) Krebs’ cycle

Subtopic:  Kreb's Cycle |
 86%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The synthesis of GTP in Krebs’ cycle is

(1) Oxidative Phosphorylation

(2) Substrate Level Phosphorylation

(3) Photo Phosphorylation

(4) Photorespiration

Subtopic:  Kreb's Cycle |
 88%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

In a coupled reaction,....... is converted to …...with the simultaneous synthesis of ….…...from ……( The reaction of Krebs’ Cycle of cellular respiration)

(1) GDP,GTP,ADP, ATP

(2) GTP,GDP, ATP, ADP

(3) ADP,ATP, GDP,GTP

(4) ATP, ADP, GDP, GTP

Subtopic:  Kreb's Cycle |
 58%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch