The lowest pest population that will cause economic damage is called__________________?

Related Mcqs:

The heating of atmosphere by gases that are transparent to sun light but opaque to radiated heat is called________________?

A. Green house effect B. Pollution C. Warming D. Solar radiation...

The experimental design which control fertility level in two directions is known as________________?

A. RBD B. SPD C. AD D. LSD...

Root nodules in plants help in___________________?

A. Photosynthesis B. aeration C. Nitrogen fixation D. Respiration...

The plants which grown on stream bank are__________________?

A. Pheritophytes B. Bryophytes C. Xerophytes D. None of the above...

A nutrient element is said to be essential if___________________?

A. Plants can not complete their life cycle in absence of that element B. Nutrients has some physiological function in metabolism of plant C. Deficiency symptoms can be removed by application of that putrid D. All the above...