Question
Which of the plant viruses is transmitted by
mites?Solution
Wheat streak mosaic virus is transmitted by mite. Wheat streak mosaic virus is transmitted by the wheat curl mite, Aceria tosichella Keifer (Acari: Eriophyidae). Wheat is the preferred host for wheat curl mite and an excellent host for Wheat streak mosaic virus.
If (r + s + t) = 12 and (rs + st + tr) = 60, then find the value of (r² + s² + t²).
In a college, the proportion of boys to girls is 7:9, and the proportion of graduate students to postgraduate students is 4:5. Determine the total numbe...
- If (x + y + z) = 14 and (xy + yz + zx) = 50, then find the value of (x² + y² + z²).

If √e + (1/√e) = 10, then find the value of e + (1/e).
For a =-4 and b = 5, value of a² – b² is:
If (a3+1)/(a+1) = (a3-1)/(a-1) and a ≠1, -1. Find the value of 'a'