Q. During enzymatic maceration, excessive exposure to cellulase–pectinase leads to protoplast lysis mainly because of

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#Question id: 39241

#Plant Biotechnology

Q. Which of the following best explains resistance due to gene amplification in plant cell cultures?

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#Question id: 39242

#Plant Biotechnology

Q. Variants that are stable in cell culture but lose resistance after plant regeneration or sexual reproduction are known as:

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#Question id: 39243

#Plant Biotechnology

Q. Which category shows stable expression of resistance in cell culture, regenerated plants, and through sexual reproduction?

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#Question id: 39244

#Plant Biotechnology

Q. Assertion (A): Somaclonal variation does not require the use of mutagens.

Reason (R): Variations arise during in vitro culture and regeneration processes.

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#Question id: 39245

#Plant Biotechnology

Q. Assertion (A): Chimaerism is more common in induced mutation breeding than in somaclonal variation.

Reason (R): Mutagenic treatments often affect only a few cells in multicellular tissues.

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#Question id: 39246

#Plant Biotechnology

Q. Assertion (A): Induced mutations frequently lead to undesirable effects such as sterility.

Reason (R): Mutagens cause random genetic changes throughout the genome.

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