What are a few things a farmer should ask himself before growing transgenic
plants?

The main thing that the Farmers should know about the transgenic plants is whether the crop will give good productivity.

Explanation:

Farmers should consider many things before planting transgenic plants like crops will give him profit or not.He should know how much water does the plant will consume.Whether the plant is can resist insects and viruses and also to know about the type of pesticides it needed.He also should know the period of growth. Period of growing changes from naturally available crops and transgenically available crops. Some of the genetically modified crops will cause loss to the farmer. So the farmer should identify the profit giving crops.

The correct answer is b