A method of control of pests in which natural predators and parasites are used without causing serious adverse environmental side effects is called_________________?

Related Mcqs:

1. The control and preservation of natural resources for present and future use is called_________________?

   A. Sustainability
   B. Conservation
   C. Crop residue management
   D. None of above

2. The unproductive branches of cotton are called_________________?

   A. Sympodial branches
   B. Monopodial branches
   C. Vegetative branches

3. The application of fertilizer nutrients in proportions best suited to the needs of the crop is called_________________?

   A. fertilizer placement
   B. fertilizer use efficiency
   C. Nitrogen use efficiency
   D. Balanced fertilization

4. The crop which are cultivated for grain purposes are called_________________?

   A. Fodder crops
   B. Cereal crops
   C. Fiber crops
   D. Leguminous crops

5. Progeny of nucleus seed is called_________________?

   A. Basic seed
   B. Breeder seed
   C. Foundation seed
   D. All the above

6. A long severe winter and short summer is called_________________?

   A. Arctic
   B. Sub-temperature
   C. Semiarid
   D. Semi arctic

7. The practice of producing two successive crops of same species from same piece of land in one year is called_________________?

   A. Intercropping
   B. Doubling cropping
   C. Monocropping
   D. Cropping pattern

8. A foreign variety that is directly recommended for commercial cultivation is called_________________?

   A. Blended variety
   B. Pure line variety
   C. Exotic variety
   D. Hybrid variety

9. The systematic arrangement of soil in to groups or categories is called_________________?

   A. Classification
   B. Annuals
   C. Perennials
   D. Ranking

10. Initial vegetation that invades and occupies the area is called_________________?

    A. Pioneer
    B. Range
    C. Resin
    D. None of the above