Multiple choice

'Disease-free plants' can be produced by which of the following methods?

  1. Grafting

  2. Layering

  3. Cutting

  4. Tissue culture
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Tissue culture can produce disease-free plants by using meristem tissue (which is typically virus-free) and growing it in sterile, controlled conditions. Vegetative methods like grafting, layering, and cutting can transmit pathogens from the parent plant to the offspring.

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