A plant virus must have: __________?

Related Mcqs:

1. The insects which transfer disease from one plant to another is known as__________________?

   A. Disease transmitter B. Vector C. Pest D. Parasite...

2. Plant pathology is the branch of ?

   A. Botany B. Agriculture C. Zoology D. None of these Submitted by: Muhammad Mujahid Khan...

3. Who was father of Plant Pathology?

   A. G.N. Agrios B. Anton de Bary C. Stanley D. Milardit Submitted by: Muhammad Omer...

4. __________ is gram-positive?

   A. Xanthomonas B. Corynebacterium C. Pseudomonas D. Erwinia Submitted by: hafsa...

5. Spread of disease from one individual to another is called: __________?

   A. Vector B. Patho-inductor C. Transmission D. Both a & b Submitted by: Shafiq-ur-Rehman...

6. The beneficial relationship between two organisms living together is called__________________?

   A. Osmosis B. Common salism C. Symbiosis D. None of the above...

7. Which of the following is disease of rice____________________?

   A. Foot rot B. Brown spot Ratti disease C. Rice blast D. All the above...

8. The major disease of matter (field pea) is____________________?

   A. Blight B. Downy mildew C. Powdery mildew D. None...

9. The entrance point for air in insects are known as _________________?

   A. Trachea B. Spines C. Secretion D. Nervous system...

10. Haustoria are produced ___________?

    A. By fungi parasitising animal tissues B. By hypha of obligate parasite C. In artificial cultures D. None of These Submitted by: Muhammad Amjad...