Geo-Scientist Prelims 2021 General Studies Q34: Which among the following are true about hyperthermophile microbes?

Which among the following are true about hyperthermophile microbes?

1. The preferred temperature for growth of such microbes is around 45 °C
2. They prefer to grow and reproduce at over 80 °C
3. They normally grow in deep sea floors
4. Below 90 °C they find it too cold and stop growing

Select the correct answer using the code given below:

1. (a) 1 and 3
2. (b) 2 and 3 only
3. (c) 2 and 4 only
4. (d) 2, 3 and 4