(a) A license is required to cultivate that plant.

(b) Such a plant cannot be cultivated under any circumstances.

(c) It is a Genetically Modified crop plant.

(d) Such a plant is invasive and harmful to the ecosystem

11. Ans: a

Explanation:

Section 17C of The Wildlife Protection Act  –Cultivation of specified plants without licence prohibited.—

(1) No person shall cultivate a specified plant except under and in accordance with a licence granted by the Chief Wild Life Warden or any other officer authorised by the State Government in this behalf: 

(2) Every licence granted under this section shall specify the area in which and the conditions, if any, subject to which the licensee shall cultivate a specified plant. 

Hence, option a is correct.

Read: Previous Year UPSC Environment Questions (PYQs) With Explanation 2020