In a group of RNA tumour viruses, called leukoviruses or rousviruses, the genetic material is
A. DNA only
B. RNA only
C. Alternately DNA and RNA
D. None of the above
Answer: Option C
Related Questions on Plant Kindom
A. Latent period phase
B. Vegetative phase
C. Adsorption phase
D. Liberation phase
In which kind of xylem parenchyma the parenchyma cells occur singly among the fibres and tracheids?
A. Boundary apotracheal type
B. Terminal apotracheal type
C. Banded apotracheal type
D. Diffuse apotracheal type
A. Metric approach
B. Empirical approach
C. Numerical approach
D. None of the above
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