Correct option is B
The correct antonym of the given word is (b)
scarcity.
Abundance: a large quantity or plenty of something. (प्रचुरता, भरपूर मात्रा)
Example: There was an abundance of crops after the good monsoon.
Scarcity: a state of being in short supply or insufficient. (कमी, अभाव)
Example: The village suffered from water scarcity in summer.
Synonyms: plenty, profusion, overflow, surplus.
Antonyms: scarcity, dearth, deficiency, shortage.
Meanings of other options:
· (a)
gaiety: the state of being cheerful (हर्ष)
· (c)
bounty: generosity or reward (इनाम, उदारता)
· (d)
generosity: the quality of being kind and generous (उदारता)