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

Related Mcqs:

1. Protein denaturation is the result of the modification of____________________?

   A. Primary structure B. Secondary structure C. Tertiary structure D. Both b & c...

2. 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)...

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

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

4. Heat, cold and frost resistance ideotype have been developed in_____________________?

   A. Cereals B. Pulses C. Millet D. None of the above...

5. High values of genetic advance are indicative of____________________?

   A. Dominance gene action B. Additive gene action C. non-additive gene action D. Partial dominance gene action...

6. Parthenocarpy is the production of____________________?

   A. Fruit without pollination B. Seed without fertilization C. fruit without fertilization D. Only seed and no fruit...

7. The significance of difference among several means is tested with the help of____________________?

   A. F-test B. t-test C. Z-test D. x-test...

8. Evolution proceed on account of____________________?

   A. Conversion pf organism to change of environment B. Fossils C. Adaptations through genervation D. Struggle for existence...

9. Spinach, althea, winter wheat and oat are the example of____________________?

   A. Long day plants B. short day plants C. Long day and short night plants D. Short day and long night plants...

10. Cytochrome Oxidase and alcohol de hydrogenise are the examples of____________________?

    A. Oxidoreductases enzymes B. Transferases C. Hydrolases D. Lysases...