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NEET Exam  >  NEET Tests  >  Biology Class 11  >  Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient - NEET MCQ

Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient - NEET MCQ


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5 Questions MCQ Test Biology Class 11 - Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient

Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient for NEET 2025 is part of Biology Class 11 preparation. The Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient questions and answers have been prepared according to the NEET exam syllabus.The Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient MCQs are made for NEET 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient below.
Solutions of Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient questions in English are available as part of our Biology Class 11 for NEET & Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient solutions in Hindi for Biology Class 11 course. Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free. Attempt Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient | 5 questions in 5 minutes | Mock test for NEET preparation | Free important questions MCQ to study Biology Class 11 for NEET Exam | Download free PDF with solutions
Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient - Question 1
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The overall goal of glycolysis, Krebs cycle and electron transport system is the formation of

Detailed Solution for Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient - Question 1

The overall goal of glycolysis, Krebs cycle and electron transport system is the formation of ATP step-wise. The three processes are involved in cellular respiration of food to produce energy, which will be used for various cellular activities. 

Topic in NCERT: Electron transport system (ets)

Line in NCERT: "the metabolic pathway through which the electron passes from one carrier to another, is called the electron transport system (ets) and it is present in the inner mitochondrial membrane."

Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient - Question 2
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When fats are the respiratory substrate, the value of RQ would be​

Detailed Solution for Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient - Question 2

The respiratory quotient (RQ) is used in calculations of basal metabolic rate (BMR). It is the ratio of the volume of carbon dioxide produced by the body to the volume of oxygen consumed by the body in respiration over a period of time. It depends on the type of respiratory substrate used during respiration. RQ of fat is about 0.7. RQ of carbohydrate is 1. RQ of organic acids is above 1. RQ of protein is 0.9. RQ value gives information about the source of energy an animal is using.
Thus, the correct answer is option A.

Topic in NCERT: Respiratory quotient

Line in NCERT: "when fats are used in respiration, the rq is less than 1."

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Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient - Question 3
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Which of the following biomolecules is common to respiration-mediated breakdown of fats, carbohydrates, and proteins?

Detailed Solution for Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient - Question 3
Acetyl Co-A is a key molecule that plays a central role in the catabolism of carbohydrates, fats, and proteins. It serves as a convergence point in the metabolic pathways of these macronutrients, entering the citric acid cycle where it undergoes further breakdown to produce energy. This makes it a common component in the respiration-mediated breakdown of all three types of biomolecules.
Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient - Question 4
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Why is the theoretical calculation of ATP gain from one molecule of glucose considered only an approximation in real cellular conditions?
Detailed Solution for Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient - Question 4
The theoretical calculation of ATP yield from glucose metabolism assumes an orderly and sequential pathway without interruption, where intermediates are not diverted for other syntheses, and where only glucose contributes as a substrate. However, in real cellular conditions, metabolic pathways do not operate in isolation; they are interconnected with substrates entering and leaving as needed, and ATP is utilized dynamically based on cellular demands. This makes the theoretical ATP yield an approximation rather than an exact measure.
Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient - Question 5
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What is a major difference between fermentation and aerobic respiration regarding ATP production?
Detailed Solution for Test: Respiratory Balance Sheet, Amphibolic Pathway & Respiratory Quotient - Question 5
The key distinction between fermentation and aerobic respiration lies in the amount of ATP produced. Fermentation results in a net gain of only two ATP molecules per glucose molecule because glucose is only partially broken down to pyruvic acid. In contrast, aerobic respiration, which completely degrades glucose to CO2 and H2O, generates a significantly higher yield of ATP, illustrating the efficiency of oxygen-dependent pathways in extracting energy from glucose.
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