The RQ of a substrate is found to be 0.9 what would be that substrate?

1. Carbohydrate 2. Fatty Acid
3. Lipid 4. Protein

Subtopic:  Respiratory Quotient |
 88%
Level 1: 80%+
Hints

Which of the following is not correct?

1. In living organisms, respiratory substrates are often more than one
2. Pure proteins and fats can also be used as respiratory substrate
3. Fermentation takes place under anaerobic conditions in many prokaryotes, unicellular Eukaryotes and in germinating seeds
4. Oxygen is the ultimate acceptor of electrones and it gets reduced to water
Subtopic:  Respiratory Quotient |
 79%
Level 2: 60%+
Hints

Which one of the given reaction does not involve decarboxylation?

1. α-ketoglutarate  Succinyl CoA

2. Fumarate             Malate

3. Oxalo-succinate    α-ketoglutarate

4. Pyruvate               Acetly CoA

Subtopic:  Kreb's Cycle |
 80%
Level 1: 80%+
Hints

advertisementadvertisement

Which of the following statement is correct?

1. Glycolysis is present in facultative anaerobes, not in obligate anaerobes
2. Usually carbohydrates are oxidised to release energy in cellular respiration 
3. Oxidation of one molecule of NADH gives rise to 3 molecules of ATP in anaerobic respiration 
4. Fermentation takes place under anaerobic conditions in prokaryotes only
Subtopic:  Introduction |
 70%
Level 2: 60%+
Hints

premium feature crown icon
Unlock IMPORTANT QUESTION
This question was bookmarked by 5 NEET 2025 toppers during their NEETprep journey. Get Target Batch to see this question.
✨ Perfect for quick revision & accuracy boost
Buy Target Batch
Access all premium questions instantly

ln ETS the number of ATP molecules synthesized depends on 

O2

2 Substrate 

3 Electron donor

4 Proton gradient 

Subtopic:  ETS |
Level 3: 35%-60%
Hints

Read the following statements with respect to glycolysis and select the right choice.

a. Two redox equivalents are removed from PGAL.
b. Pyruvic acid is the key product.
c. Glucose undergoes complete oxidation to produce two molecules of pyruvic acid.
d. The conversion of PEP to pyruvic acid is energy requiring process. 
1. Only c is incorrect

2. b & d are correct
3. c & d are incorrect
4. Only b is correct

Subtopic:  Glycolysis |
 56%
Level 3: 35%-60%
Hints

advertisementadvertisement

premium feature crown icon
Unlock IMPORTANT QUESTION
This question was bookmarked by 5 NEET 2025 toppers during their NEETprep journey. Get Target Batch to see this question.
✨ Perfect for quick revision & accuracy boost
Buy Target Batch
Access all premium questions instantly

Tripalmitin:
Which of the following is wrong?
1. A fatty acid
2. C51 H98 O6
3. C48 H96 O5
4. Both 1 and 3

Subtopic:  Respiratory Quotient |
 54%
Level 3: 35%-60%
Hints

For the substrate Glucose, how many Oxygen are used and how many Carbon-dioxide are evolved?

1. 3,3

2. 6,3

3. 3,6

4. 6,6

Subtopic:  Respiratory Quotient |
 79%
Level 2: 60%+
Hints

The value of respiratory Quotient actually depends upon

1. The type of respiratory substrate used

2. The place in which respiration is occurring

3. The amount of ventilation

4. Breathing surface

Subtopic:  Respiratory Quotient |
 94%
Level 1: 80%+
Hints

advertisementadvertisement

Respiratory Quotient

1. Some Ratio

2. Some amount of oxygen

3. Some amount of carbon dioxide

4. Cannot be one

Subtopic:  Respiratory Quotient |
 82%
Level 1: 80%+
Hints