Question

You call an exterminator to your house because you have noticed many nymphs of a specific insect everywhere in your cupboards. The exterminator proudly tells you that they are using biological concepts to get rid of these pests, and he generously sprays a solution of juvenile hormone all over your house. Assuming there are no breeding adults and only nonreproductive nymphs, which of the following would you expect in the days after the visit from the exterminator?
A. The number of nymphs will increase immediately after the exterminator sprays.
B. The number of adults will increase immediately after the exterminator sprays.
C. The number of nymphs will stay the same after the exterminator sprays.
D. The number of adults will decrease after the exterminator sprays.

Answer 1

Answer:

The correct answer is - option C.

Explanation:

The case in this the biological exterminators asks to use the biological concept which includes spraying the solution of the juvenile hormone to get rid of nymphs of specific insect and according to the assumption, this solution causes some alteration on the ability to reproduce of such nymphs and leads to only nonreproductive ones.

On the given condition the increasing of nymphs, the number of adult nymphs or decreasing of nymphs can not be condition and as the reproductive ability is affected the number of nymphs would be the same.

Thus, the correct answer would be - option C.