The spreading habit of the crop caused by insect which makes cultivation, weeding and harvesting more difficult is process of________________?

Related Mcqs:

1. A type of resistance in which a series of different cultivars of the same crop are infested with a series of different insect biotype of same species show no differentia intersction, such type of resistance is___________________?

   A. Specific resistance B. Horizontal resistance C. General resistance D. Cross resistance...

2. A type of resistance in which a series of different cultivars of the same crop are infested with a series of different insect biotypes of same species show a differentia interaction is known as_________________?

   A. Horizontal resistance B. Vertical resistance C. Specific resistance D. Cross resistance...

3. An insect pest normally present at some time during the growing season that causes the economic damage to a crop is called ?

   A. Key pest B. Secondary pest C. Occasional pest D. Migrant pest...

4. The young ones of exopteryotes butt aquatic in habit is?

   A. Naiad B. Nymph C. Larva D. Adult...

5. An abnormal proliferation of plant cells resulting from outside stimulus (Insect, a fungal growth, a mite) is called ?

   A. Gall B. Boring C. Malformation D. Malnutrition...

6. The ventral selerotized region of insect body is called___________________?

   A. Pleuron B. Tergum C. Sternum D. None of the above...

7. When some cultivars are resistance and some cultivars are susceptible, when they are infested with same insect biotype such type of resistance is called___________________?

   A. General resistance B. Specific resistance C. Cross resistance D. Horizontal resistance...

8. Most of the insect require__________________?

   A. Vitamin B B. Vitamin C C. Vitamin A D. Vitamin D...

9. Death of an insect from a single dose is called__________________?

   A. Defoliant B. Bait C. Chronic poisoning D. Acute poisoning...

10. A level of resistance show by a cultivar is similar against all insect biotype such type of resistance is__________________?

    A. Cross resistance B. Specific resistance C. General resistance D. Vertical resistance...