Q: Heliophile plants require mean maximum illumination of:
(a)30,000 lux.
(b)20,000 lux.
(c)10,000 lux.
(d)40,000 lux.
Correct Answer: (b)
The correct answer is (b) '20,000 lux.'. This question from the Quantitative Aptitude & Data Interpretation domain tests knowledge of Statistics & Probability.