In Incern, resistance to spotted aphid is associated with__________________?

Related Mcqs:

1. In apple wool aphid is genetically controlled by___________________?

   A. 2 D B. ID C. 2d D. Id...

2. A tail, including the tail-like structure of an aphid:_______?

   A. Cenchri B. Annulate C. Apical D. Cauda Submitted by: Shafiq Rehman...

3. Self pollination is associated with__________________?

   A. Herkogamy B. Dichogamy C. Chasmogamy D. Homogamy...

4. The term vertical resistance and horizontal resistance were first used by________________________?

   A. Van der plank (1963) B. Karpechenko (1927) C. Hull (1945) D. Correns (1900)...

5. In wheat, example of durable insect resistance includes resistance to___________________?

   A. Green bugs B. Stem saw fly C. Hessian fly D. All the above...

6. In barley, resistance to cereal leaf beetle is associated with_________________?

   A. High aspartic acid B. Waxiness of leaves C. High silica content D. High benzol alcohol...

7. Drought resistance is associated with___________________?

   A. Biochemical factors B. Physiological factors C. Morphological factors D. all the above...

8. Sericulture deals with__________________?

   A. Fisheries B. Honey bees C. Silk worm D. Forest trees...

9. Vertical resistance is also known as_________________?

   A. Race specific B. Oligogenic C. Qualitative D. All the above...

10. Many groups of insects have developed resistance to DDT and other insecticides as a result of____________________?

    A. Crossing over B. Polyploidy C. Segregation D. Gene mutation...