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Latest questions in this category.

25 questions

An orange juice flowing at 0.80 kg s' enters a counter current double pipe heat exchanger at 20 °C and leaves at 72 °C.

This outcome reflects core biological organization, where structure-function relationships govern cellular processes. Option NAT captures this correctly because it integrates fundamental life science principles, consistent with textbook descriptions and experimental observations in general biology.

Ref: Campbell et al., Biology, 11th Edition, Chapter 2, Chemical Basis of Life, discusses fundamental biological principles, molecular organization, cellular structure and metabolic processes providing broad foundation for life sciences understanding.

The initial population of a bacterial strain increases from 1x10 ⁴ cells per mL to 1x10 ⁶ cells per mL in 120 minutes. T

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: Cooper and Hausman, The Cell: A Molecular Approach, 8th Edition, Chapter 14, Cell Cycle and Division, explains cyclins, cyclin-dependent kinases, checkpoints and mitotic regulation detailing mechanisms governing proliferation and genomic stability.

The velocity of 2.2 gm diameter fat particles inside a centrifuge, running at 6000 rpm and 20 °C, is 0.25 mm s ⁻¹ . The

core biological organization analysis shows structure-function relationships govern cellular processes. Consequently Option NAT emerges as the valid choice since it integrates fundamental life science principles, aligning with established principles in general biology literature.

Ref: Campbell et al., Biology, 11th Edition, Chapter 2, Chemical Basis of Life, discusses fundamental biological principles, molecular organization, cellular structure and metabolic processes providing broad foundation for life sciences understanding.

In Drosophila, the red eye phenotype (W) is dominant over the recessive white eye mutant (w). In a mixed population of r

Evidence for Mendelian segregation indicates allele distribution and recombination generate phenotypic variation. Option NAT aligns with this, as it follows segregation and linkage principles, reflecting standard interpretations in genetics. This mechanism is extensively documented and reinforced by experimental data across multiple model systems and textbook discussions.

Ref: Griffiths et al., Introduction to Genetic Analysis, 11th Edition, Chapter 5, Linkage and Recombination, explains chromosomal mapping, crossing over, genetic distance and recombination frequencies underlying inheritance and variation.

Match the edible oil refining stage in Column I with its purpose in Column II. Column I Column II P. Degumming 1. Separa

Understanding enzyme kinetics reveals substrate binding and catalytic efficiency determine reaction rates. Therefore P-3, Q-4, R-2, S-1 is correct because it reflects active-site specificity and regulation, which underpins key processes in biochemistry.

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.

Match the protein in Column I with its food source in Column II. Column I Column II P. Zein 1. Soybean Q. Gluten 2. Maiz

Evidence for enzyme kinetics indicates substrate binding and catalytic efficiency determine reaction rates. Option D aligns with this, as it reflects active-site specificity and regulation, reflecting standard interpretations in biochemistry.

Ref: Lehninger Principles of Biochemistry, 7th Edition, Chapter 15, Metabolic Regulation, explains hormonal control, allosteric regulation, feedback inhibition and pathway coordination essential for understanding intermediary metabolism and homeostasis.

Which of the following is commonly used as a preservative in the tomato sauce?

The principle of core biological organization explains that structure-function relationships govern cellular processes. Hence Sodium benzoate 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, molecular mechanisms, genetic information and biological systems offering integrated perspective on core life science concepts.

Match the household insect vectors in Column I with their associated diseases in Column II. Column I Column II P. Kissin

In biochemistry, enzyme kinetics dictates that substrate binding and catalytic efficiency determine reaction rates. Therefore P-(iii), Q-(iv), R-(ii), S-(i) is correct as it reflects active-site specificity and regulation, supported by mechanistic studies and conserved across related systems.

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.

Match the equation/law in Column I with its application in Column II Column I Column II P. Plank's equation 1. Terminal

This outcome reflects core biological organization, where structure-function relationships govern cellular processes. Option C captures this correctly because it integrates fundamental life science principles, consistent with textbook descriptions and experimental observations in general biology.

Ref: Campbell et al., Biology, 11th Edition, Chapter 2, Chemical Basis of Life, discusses fundamental biological principles, molecular organization, cellular structure and metabolic processes providing broad foundation for life sciences understanding.

Match the component/system in Column 1 with the peeling method for fruits and vegetables in Column II. Column I Column I

Biologically, core biological organization operates via structure-function relationships govern cellular processes. Thus P-4, Q-3, R-1, S-2 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, molecular mechanisms, genetic information and biological systems offering integrated perspective on core life science concepts.

Nisin A is produced by

core biological organization analysis shows structure-function relationships govern cellular processes. Consequently Lactobacillus lactis emerges as the valid choice since it integrates fundamental life science principles, aligning with established principles in general biology literature.

Ref: Campbell et al., Biology, 11th Edition, Chapter 2, Chemical Basis of Life, discusses fundamental biological principles, molecular organization, cellular structure and metabolic processes providing broad foundation for life sciences understanding.

Match the proteins in Column I with the organs in which they are maximally expressed in Column II. Column I Column II P.

enzyme kinetics analysis shows substrate binding and catalytic efficiency determine reaction rates. Consequently P-(iv), Q-(iii), R-(ii), S-(i) emerges as the valid choice since it reflects active-site specificity and regulation, aligning with established principles in biochemistry literature.

Ref: Lehninger Principles of Biochemistry, 7th Edition, Chapter 15, Metabolic Regulation, explains hormonal control, allosteric regulation, feedback inhibition and pathway coordination essential for understanding intermediary metabolism and homeostasis.