I would wait for a second opinion, because the question is phrased in such a way that is confusing.
None of the statements contain scientific evidence except for the last one, but the last statement is false.
If you were being scientifically accurate, you would answer the first statement as true and the rest false.
The second statement actually has evidence to back it up, but the evidence provided is incorrect.
Answer:
The temperature is the key factor for prodigiosin production. It has been shown that , S. marcescens can produce this kind of pigment at about 25 °C, which however could not produce the pigments at elevated temperatures, especially till 37 °C
Explanation: