Select the option that can be used as a one-word substitute for the given group of words.
A tank for fish or water plants

Correct option is D

The correct one-word for the given group of words is (d) Aquarium.
An aquarium is a transparent tank or container in which fish and other aquatic organisms are kept and displayed. (Hindi meaning: मछलियों का कांच का टैंक / जल जीव संग्रहण)
Example: The children were fascinated by the colorful fish in the aquarium.
Meanings of the given other options:
· (a) Aviary: A place for keeping birds (पक्षियों का पिंजरा)
· (b) Reservoir: A storage space for water (जलाशय)
· (c) Museum: A place where historical or cultural items are exhibited (संग्रहालय)