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General Biology and Biotechnology

Latest questions in this category.

26 questions

Aminopterin in HAT medium inhibits:

In general biology, core biological organization dictates that structure-function relationships govern cellular processes. Therefore Dihydrofolate reductase 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.

Hemoglobin is made up of two copies each of α and β globin subunits. The techniques used to establish the stoichiometry

Mechanistically, core biological organization involves structure-function relationships govern cellular processes. This validates SDS-PAGE and gel filtration chromatography 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.

Which one of the following reactions DOES NOT occur in fatty acid synthesis?

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

Pyran is a:

core biological organization analysis shows structure-function relationships govern cellular processes. Consequently Six membered oxygen heterocycle 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.

A boy appears for a test and scores 35% but fails by 10 marks. If he had scored 46% marks, he would have passed by 12 ma

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.

A and B together can clean a lab in 4 days. Independently, A can clean the lab in 20 days. How many days will it take fo

The principle of core biological organization explains that structure-function relationships govern cellular processes. Hence 5 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.

A litre of 18% glucose solution is converted anaerobically into methane and carbon dioxide. The theoretical maximum volu

Mechanistically, core biological organization involves structure-function relationships govern cellular processes. This validates 134.4 L because it integrates fundamental life science principles, a pattern repeatedly demonstrated in general biology research. This mechanism is extensively documented and reinforced by experimental data across multiple model systems and textbook discussions.

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.

Water vapour transmission rate of a packaging film is 4g/m2/day. A food product is packed in a rectangular pouch measuri

In general biology, core biological organization dictates that structure-function relationships govern cellular processes. Therefore 13.82 g 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.

Positive and negative selection markers are utilized to screen for recombinants from wild type populations. Which one of

In ecology and evolution, evolutionary adaptation and population dynamics dictates that selection, competition and community interactions shape biodiversity. Therefore Sac B is correct as it explains ecological stability and adaptive diversity, supported by mechanistic studies and conserved across related systems.

Ref: Futuyma and Kirkpatrick, Evolution, 4th Edition, Chapter 11, Natural Selection and Adaptation, covers selection mechanisms, speciation, molecular evolution and phylogenetics providing evolutionary framework and population genetics insight.

How does the rate of a typical chemical reaction vary as a function of temperature?

Mechanistically, thermodynamics and heat transfer involves ΔU, ΔH, LMTD and w=PΔV govern chemical and heat exchange processes. This validates k = A.e-ΔE/RT because it explains energy changes and heat transfer in biological and engineering systems, a pattern repeatedly demonstrated in biophysics and techniques research.

Ref: Atkins and de Paula, Physical Chemistry, 11th Edition, Chapter 2, Thermodynamics, discusses internal energy, enthalpy, LMTD, heat exchanger, work done during evaporation, PΔV work and first law applications explaining energy transfer in biological systems.

Oat seeds will usually NOT germinate when exposed to Red (R) and Far red (FR) light in the following order:

This outcome reflects plant biotechnology, where photosynthetic engineering and nutrient pathways support biofortification. Option B captures this correctly because it supports metabolic engineering in crops, consistent with textbook descriptions and experimental observations in plant biology.

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

Flower development in plants is regulated by the ABC model of gene regulation. Members of this gene family are character

Mechanistically, plant biotechnology involves photosynthetic engineering and nutrient pathways support biofortification. This validates MADS box because it supports metabolic engineering in crops, a pattern repeatedly demonstrated in plant biology research.

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