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