The most thermostable plant virus is (a) CMV (c) TMV (b) TEV (d) TLCV Longest plant virus is (a) Citrus tristeza virus (c) Sugarcane mosaic virus (b) Plum pox virus (d) Tobacco mosaic virus Control of...

The most thermostable plant virus is

(a) CMV (c) TMV

(b) TEV (d) TLCV

Longest plant virus is

(a) Citrus tristeza virus (c) Sugarcane mosaic virus

(b) Plum pox virus (d) Tobacco mosaic virus

Control of plant viruses by cross protection was observed for the first time by

(a) Mc Arthur (c) Mc Robert

(b) Mc Kiney (d) Mc Games