The concentration of a toxicant that kills 50% of the exposed organism is called_________________?

Related Mcqs:

Young ones of fly is_________________?

A. Imago B. Maggot C. Grub D. Puparium...

When the fore wings are modified into halteres. they are called_________________?

A. Filohalteres B. pseudohalteres C. Halteres D. Hemelytra...

Queen and drones have_______________number of chromosome ?

A. Diploid B. Haploid C. Triploid D. None of above...

A mixture included pesticides which do not increase or decrease the efficacy of each other is called___________________?

A. Additive mixture B. Antagonistic mixture C. Potentiating mixture D. None of the Above...

Which insect have bacteria and in their digestive system_______________?

A. Termites B. Ants C. Silver fish D. None...