Direction: Each question below has two blanks, each blank indicating that something has been omitted. Choose the set of words for each blank that best fits the meaning of the sentence as a whole.
Drawing attention to the pitfalls of ____ solely on Uranium as a fuel for nuclear reactors, Indian scientists warned that Uranium will not last for long and thus research on Thorium as its ____ must be revived.
Thorium should be used as a substitute or alternative to Uranium. So, options a) and e) are relevant. Because of the use of the words 'solely on' in the first part of the sentence, we can pick option e) over option a).
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