Which plant was patented by American and European firms and generated considerable opposition from those resisting the entry of multinationals into India?

Neem

The correct answer is Option (3) → Neem

"... Resistance to globalisation in India has come from different quarters. There have been left wing protests to economic liberalisation voiced through political parties as well as through forums like the Indian Social Forum. Trade unions of industrial workforce as well as those representing farmer interests have organised protests against the entry of multinationals. The patenting of certain plants like Neem by American and European firms has also generated considerable opposition."