UPSC CDS I 2019 English Paper

Question Numbers: 106-110In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.​The Nobel Prize for Chemistry this year is a tribute to the power of (1) _______The laureates harnessed evolution and used it in the (2) ______with amazing results. Frances H. Arnold, an American was given one-half of the prize, used 'directed evolution' to (3) _______variants of naturally occurring enzymes that could be used to (4)______biofuels and pharmaceuticals. The other half went to George P.Smith, also of the U.S., and Sir Gregory P. Winter, from the U.K., who evolved antibodies to (5) ______ autoimmune diseases and even metastatic cancer through a process called phage display.