A) Leaf
B) Root tip
C) shoottip
D) embryo
Correct Answer: C
Solution :
Seeds from virus infected plants generally do not contain the virus. Therefore sexual progeny are usually virus free, except for new-infections. But in case of asexually reproducing crops virus infections spread rapidly. This is because the vegetative propagules from virus infected plants contain virus particle hence in vegetatively propagated plants the virus get transmitted through propagule (rhizome/bulb/ tubers/root). But the growing bud is not infected (i.e., shoot tip are virus free).
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