NBRI is located in
a. Kolkata
b. Chennai
c. Lucknow
d. Darjeeling

Hint: The full form of NBRI is a national botanical research institute, which is one of the institutes of the council of scientific and industrial research, and it is the botanical research institute mainly concerned about the taxonomy and modern biology.

Complete answer:
- The National botanical research institute was set up by a national botanical garden professor of uttar Pradesh, where he set up this institute on behalf of the uttar Pradesh government, in the state of Lucknow.
- After it’s set up, it was taken up or handed over by the council of scientific and industrial research (CSIR) in the year 1953.
- Initially, all of the things about NBRI were tackled by that national botanical garden professor, but in the year, 1964 Trilokanath became the director.
- The aim of the institution was to engage in various research activities in the botanical discipline.
- Later this NBRI has increased its emphasis related to national needs and it’s priorities.
- Because of various efforts by individuals working in this institute, it got a stature of being a National botanical research institute in the year 1978, with its correct nature, aims, and excellent objectives and functions.
- In this NBRI there is an area called Skindar Bagh which is the famous locality and the garden which is present inside the institute.

Hence, the correct answer is option (C).

Note: This National botanical research institute has great achievements which are, in the move to fight against whiteflies, this Institute had developed the pest-resistant variety of cotton. And this institute is also located in one of the states in southern Africa.