Physiology Ecology and Evolution

Physiology Ecology and Evolution

The average moisture binding energy of a textured protein product (TPP) at 8% moisture content (dry basis) is 3200 cal.m

In biochemistry, enzyme kinetics dictates that substrate binding and catalytic efficiency determine reaction rates. Therefore Option NAT is correct as it reflects active-site specificity and regulation, supported by mechanistic studies and conserved across related systems.

Ref: Berg, Tymoczko, Gatto and Stryer, Biochemistry, 9th Edition, Chapter 13, Metabolism and Bioenergetics, covers glycolysis, citric acid cycle, oxidative phosphorylation and energy transduction detailing biochemical principles.

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Physiology Ecology and Evolution

If D10 for Salmonella in egg yolk is 0.75 kGy, calculate the radiation dose in kGy (rounded off to 2 decimal places) req

The principle of core biological organization explains that structure-function relationships govern cellular processes. Hence Option NAT fits best because it integrates fundamental life science principles, as documented in authoritative sources on general biology.

Ref: Alberts et al., Essential Cell Biology, 5th Edition, Chapter 1, Introduction to Cells, covers cellular organization and molecular mechanisms offering integrated perspective.

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Physiology Ecology and Evolution

A sample of glucose isomerase enzyme converts 15 umoles of substrate glucose into product fructose min¹ mL under standar

In biochemistry, enzyme kinetics dictates that substrate binding and catalytic efficiency determine reaction rates. Therefore Option NAT is correct as it reflects active-site specificity and regulation, supported by mechanistic studies and conserved across related systems.

Ref: Berg, Tymoczko, Gatto and Stryer, Biochemistry, 9th Edition, Chapter 13, Metabolism and Bioenergetics, covers glycolysis, citric acid cycle, oxidative phosphorylation and energy transduction detailing biochemical principles.

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Physiology Ecology and Evolution

The weight of 10 kg dried cauliflower containing 5% moisture (wet basis) after rehydration is 60 kg. If the fresh caulif

Biologically, photosynthetic regulation operates via light harvesting and carbon fixation coordinate energy flow. Thus Option NAT is appropriate since it supports efficient energy conversion, reinforcing core concepts taught in plant biology.

Ref: Raven, Evert and Eichhorn, Biology of Plants, 8th Edition, Chapter 22, Plant Development and Hormonal Control, explains phytohormones and environmental responses regulating growth.

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Physiology Ecology and Evolution

Orange juice is packaged aseptically and stored under ambient conditions. The degradation of vitamin C in the juice occu

The principle of molecular bonding explains that hybridization and orbital overlap dictate geometry and reactivity. Hence Option NAT fits best because it satisfies bonding and stability criteria, as documented in authoritative sources on chemistry.

Ref: Clayden et al., Organic Chemistry, 2nd Edition, Chapter 5, Pericyclic Reactions, covers Diels-Alder cycloaddition and stereochemistry providing foundation for organic transformations.

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Physiology Ecology and Evolution

Calculate the efficiency in percent (rounded off to I decimal place) of an oil expeller which yields 37 kg oil containin

Mechanistically, photosynthetic regulation involves light harvesting and carbon fixation coordinate energy flow. This validates Option NAT because it supports efficient energy conversion, a pattern repeatedly demonstrated in plant biology research.

Ref: Taiz et al., Plant Physiology and Development, 6th Edition, Chapter 7, Photosynthesis and Carbon Assimilation, discusses light reactions, Calvin cycle and carbon fixation providing insight into plant energy metabolism.

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Physiology Ecology and Evolution

During the exponential growth, it took 6 hours for the population of bacterial cells to increase from 2.5 × 10 ⁶ to 5 ×

This outcome reflects membrane organization, where lipid bilayer and protein trafficking maintain compartmentalization. Option NAT captures this correctly because it aligns with organelle function and transport, consistent with textbook descriptions and experimental observations in cell biology.

Ref: Alberts et al., Molecular Biology of the Cell, 6th Edition, Chapter 10, Membrane Structure and Transport, discusses lipid bilayer organization, membrane proteins, transporters and selective permeability providing foundation for cellular compartmentalization.

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Physiology Ecology and Evolution

Match the peeling technique in Column I with the vegetable, for which it is used in industry, given in Column II. Column

In biotechnology, molecular techniques dictates that vector design and amplification enable manipulation. Therefore P-4, Q-3, R-1, S-2 is correct as it utilizes validated laboratory methods, supported by mechanistic studies and conserved across related systems.

Ref: Glick et al., Molecular Biotechnology, 5th Edition, Chapter 4, Molecular Techniques, explains PCR, sequencing, electrophoresis and molecular analysis essential for genetic manipulation.

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Physiology Ecology and Evolution

Choose the correct statement(s) about the enzyme and its application in food processing reaction.(MTA)

Mechanistically, enzyme kinetics involves substrate binding and catalytic efficiency determine reaction rates. This validates Lipase is used for restructuring of acyl glycerol. because it reflects active-site specificity and regulation, a pattern repeatedly demonstrated in biochemistry research.

Ref: Nelson and Cox, Lehninger Principles of Biochemistry, 7th Edition, Chapter 6, Enzyme Kinetics and Regulation, discusses Michaelis-Menten equation, catalytic mechanisms, allosteric control and metabolic integration supporting enzyme function and pathway regulation.

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Physiology Ecology and Evolution

Which among the followings is NOT an essential amino acid?

Biologically, enzyme kinetics operates via substrate binding and catalytic efficiency determine reaction rates. Thus L-Arginine is appropriate since it reflects active-site specificity and regulation, reinforcing core concepts taught in biochemistry.

Ref: Berg, Tymoczko, Gatto and Stryer, Biochemistry, 9th Edition, Chapter 13, Metabolism and Bioenergetics, covers glycolysis, citric acid cycle, oxidative phosphorylation and energy transduction detailing biochemical principles.

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Physiology Ecology and Evolution

Extrusion cooking is accomplished in four different stages, which are indicated as I, II, III and IV in the figure given

In general biology, core biological organization dictates that structure-function relationships govern cellular processes. Therefore I – Feeding, II – Kneading, III – Cooking, IV – Expansion is correct as it integrates fundamental life science principles, supported by mechanistic studies and conserved across related systems.

Ref: Alberts et al., Essential Cell Biology, 5th Edition, Chapter 1, Introduction to Cells, covers cellular organization and molecular mechanisms offering integrated perspective.

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Physiology Ecology and Evolution

Which among the following statements is NOT correct?

Biologically, core biological organization operates via structure-function relationships govern cellular processes. Thus Apple is a good source of vitamin B12. is appropriate since it integrates fundamental life science principles, reinforcing core concepts taught in general biology.

Ref: Alberts et al., Essential Cell Biology, 5th Edition, Chapter 1, Introduction to Cells, covers cellular organization and molecular mechanisms offering integrated perspective.

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