Question

which of these is the primary drawback of digging up individual plants as part of a control solution for a small infestation that needs to be cleared quickly?
a. it could result in chemical contamination of the soil
b. it would remove only seedlings
c. it would take much longer than other control methods would
d. it could leave behind seeds that might germinate again and regrow in a new infestation

Explanation:

• Option A: Digging up plants doesn't involve chemicals, so no chemical contamination. Eliminate A.
• Option B: Digging can remove mature plants too, not just seedlings. Eliminate B.
• Option C: Digging individual plants for a small infestation is relatively quick, not longer than others. Eliminate C.
• Option D: When digging up plants, seeds may be left, leading to regrowth. This is a key drawback.

Answer:

D. It could leave behind seeds that might germinate again and regrow in a new infestation