Given below are two statements regarding bacterial genetics:

Statement I: F. Griffith discovered the phenomenon of transformation using Streptococcus pneumoniae.

Statement II: In Griffith's experiment, the heat-killed S-strain was virulent and caused the death of mice when injected alone.

Choose the correct answer:

TLS Online TPP Program

#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:

TLS Online TPP Program

#Question id: 39243

#Plant Biotechnology

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

TLS Online TPP Program

#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.

Choose the correct option:

TLS Online TPP Program

#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.

Choose the correct option:

TLS Online TPP Program

#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.

Choose the correct option:

TLS Online TPP Program

#Question id: 39247

#Plant Biotechnology

Q.Assertion (A): Somaclonal variation can be applied to all plant species.

Reason (R): It requires plants to be regenerable from cultured cells or tissues.

Choose the correct option: