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 because it involves growing plants from small tissue samples (often meristem tissue) in sterile conditions. This allows pathogens to be eliminated or excluded. Grafting, layering, and cutting can transmit diseases from the parent plant to the new plant.

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