Read the following statements regarding chromatography techniques:

Statement I: Ion exchange chromatography separates molecules based on differences in their net surface charge.

Statement II: Gel filtration chromatography (Size Exclusion) separates molecules based on their specific binding to a ligand.

Choose the correct answer from the options given below:

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#Question id: 38082

#Plant Biotechnology

Assertion (A): Abscisic acid (ABA) treatment improves the conversion and germination efficiency of somatic embryos.

Reason (R): ABA induces desiccation tolerance and promotes proper maturation of somatic embryos.

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#Question id: 38083

#Plant Biotechnology

Statement I: In desiccated artificial seed systems, somatic embryos are hardened to withstand drying before encapsulation.

Statement II: Hardening of somatic embryos can be achieved by polymer coating or ABA treatment during maturation.

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#Question id: 38084

#Plant Biotechnology

Assertion (A): Calcium alginate is the most suitable gel for hydrated artificial seed systems.

Reason (R): Calcium ions cross-link sodium alginate to form stable, hydrated beads.

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#Question id: 38085

#Plant Biotechnology

Statement I: In hydrated artificial seed systems, the encapsulating gel remains hydrated throughout storage and planting.

Statement II: Hydrated artificial seeds are produced by drying somatic embryos before encapsulation.

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#Question id: 38086

#Plant Biotechnology

Assertion (A): Treatment of alfalfa somatic embryos with ABA increased conversion efficiency to over 50%.

Reason (R): ABA inhibits germination completely in somatic embryos.

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#Question id: 38087

#Plant Biotechnology

Statement I: Artificial seeds are formed when sodium alginate droplets containing somatic embryos are dropped into CaCl₂ solution.

Statement II: Hardening of artificial seeds occurs due to the formation of calcium alginate.