BET JRF PYQs April 2017

General Biology

Huntington disease is caused by:

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 and integration.

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General Biology

Which one of the following is an inhibitory neurotransmitter?

The principle of core biological organization explains that structure-function relationships govern cellular processes. Hence GABA 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.

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General Biology

Founder effects and bottlenecks are:

Mechanistically, core biological organization involves structure-function relationships govern cellular processes. This validates forms of genetic drift because it integrates fundamental life science principles, a pattern repeatedly demonstrated in general biology research.

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.

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General Biology

A couple came for counselling following three first-trimester miscarriages and underwent chromosomal analysis. The man w

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 and integration.

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General Biology

Which one of the following organisms is NOT able to perform light harvesting reaction?

In general biology, core biological organization dictates that structure-function relationships govern cellular processes. Therefore Azospirillum 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, molecular mechanisms, genetic information and biological systems offering integrated perspective on core life science concepts.

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General Biology

Marine chemosynthesis is mainly based on:

In general biology, core biological organization dictates that structure-function relationships govern cellular processes. Therefore Carbon dioxide is correct as it integrates fundamental life science principles, supported by mechanistic studies and conserved across related systems.

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 and integration.

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General Biology

Heparin is a:

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

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.

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General Biology

The anticancer drug, Halichondrin – D is isolated from:

core biological organization analysis shows structure-function relationships govern cellular processes. Consequently Sponges 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 and integration.

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General Biology

A continuous stirred tank bioreactor produces 48 kg lysine.day ⁻¹. If the volumetric productivity is 2 g.l ⁻¹ .h ⁻¹ , th

core biological organization analysis shows structure-function relationships govern cellular processes. Consequently 1 m ³ emerges as the valid choice since it integrates fundamental life science principles, aligning with established principles in general biology literature.

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.

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General Biology

In a stirred tank reactor when the agitation rate is increased, the kL and kLa values will:

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: 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.

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General Biology

Which one of the following is matched INCORRECTLY?

Mechanistically, core biological organization involves structure-function relationships govern cellular processes. This validates bar gene – resistance to viruses because it integrates fundamental life science principles, a pattern repeatedly demonstrated in general biology research.

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 and integration.

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General Biology

Breakdown of Bt- mediated insect resistance in crops can be delayed by:

This outcome reflects core biological organization, where structure-function relationships govern cellular processes. Option A 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 and integration.

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