Fill in the blank with the most appropriate option.
Space exploration demands _______ human qualities; for astronauts, great bravery, but for everyone, ingenuity, imagination, discipline, and even a sort of altruism.

Correct option is A

The correct option to fill in the blank is (a) extraordinary.
Explanation: The qualities listed (bravery, ingenuity, altruism) are rare and exceptional, hence extraordinary fits best.
(Hindi meaning: असाधारण)
Example: She displayed extraordinary courage during the rescue operation.
Meanings of other options:
• (b) Weird – strange or unusual. (अजीब)
• (c) Normal – standard or usual. (सामान्य)
• (d) Common – found often, not rare. (सामान्य/आम)