SSC Stenographer 2022 PYQ — Question 141

The correct answer is Option 1 i.e. Fern

• Azolla, categorized as a genus of petite aquatic ferns, typically hovers on the water's surface in environments like ponds, lakes, and rice fields.
• Commonly known as "mosquito ferns," they obstruct mosquito larvae growth by forming a cover over the water, hindering their access to air.
• Azolla possesses noteworthy traits, one being its capacity to capture atmospheric nitrogen, rendering it a beneficial element in certain agricultural practices.