Questions
In virus-infected plants, the meristematic tissues in both apical and axillary buds are free of viruses because
a
the dividing cells are virus resistant
b
meristems have antiviral compounds
c
the cell division of meristems is faster than the rate of viral multiplication and auxins have antiviral nature.
d
viruses cannot multiply within meristem cell(s)
detailed solution
Correct option is C
Even if the plant is infected with a virus, the meristem (apical and axillary) is free of virus. Hence, one can remove the meristem and grow it in vitro to obtain virus-free plants. This method is the best application for recovery of healthy plants from diseased plants. Auxins which are very rich in shoot apical meristem have antiauxin property.Talk to our academic expert!
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