Q1. The new form of life is discovered. It has a genetic code much like other organisms except there are 5 dna bases instead of 4 and has the base sequences are translated as doublets instead of triplets. How various amino acids could be accommodated by this genetic code?

Q2. Illustration on Erastothenes’ method, if two observers are due north and south of each other and are separated by 400 km, what is the circumference of their spherical world if they see the similar star on their meridian at altitudes of 23 degrees and 47 degrees respectively, and at the exact same time?