Select the wrongly spelt word.

Correct option is B

Option (b) is the incorrectly spelt word.
Correct spelling is: Copious – large in quantity or number; abundant. (Hindi: प्रचुर मात्रा में)
Example: The speaker gave a copious explanation filled with examples.
Meanings of other words:
· (a) Cosmopolitan: Familiar with and at ease in many cultures (बहु-सांस्कृतिक)
· (c) Declivity: A downward slope (ढाल)
· (d) Decorous: Proper and polite behavior (सभ्य)