Schistocerca gregaria is the name of________________?

Related Mcqs:

1. Whip smut is disease of________________?

   A. Wheat
   B. Maize
   C. Sugarcane
   D. Rice

2. Blast disease is an international disease of________________?

   A. Wheat
   B. Sugarcane
   C. Cotton
   D. rice

3. The sucking type insects of cotton are ________________?

   A. Jassids and thrips
   B. Wlutefly and jassids
   C. Thrips and whitefly
   D. All the above

4. The heart like pumping organ in insect is_________________?

   A. Vena Cava
   B. Dorsal Vessel
   C. Spiracles
   D. None of the above

5. The viral disease can be controlled by_________________?

   A. Organo-chlorine pesticides
   B. Pyrethroids
   C. Growing resistant varieties
   D. None of the above

6. The fungus belonging to order Erysiphales cause_________________?

   A. Blights
   B. Smuts
   C. Powdery mildew
   D. None of the above

7. the most devastating migratory pest is____________________?

   A. Cutworm
   B. Army worm
   C. Locust
   D. None of the above

8. The symptoms of powdery mildew appears on________________?

   A. Roots
   B. Floral parts
   C. Foliage of plants
   D. ()

9. The insecticides with least mammalian toxicity are____________________?

   A. Organo-phosphate
   B. Organo-chlorine
   C. Pyrethroids
   D. Carbamates

10. Collar rot in chilies is caused by___________________?

    A. Rhizowhtnia solani
    B. phytophilorea infesta
    C. phytophithoua spri
    D. phytophytora cupri