Question

There was a steep rise ________ onion prices. (Select the correct preposition)
on
over
in
among​

Answer 1

THERE WAS A STEEP RISE ON ONION PRICES

Answer 2

In

Preposition

Prepositions are the words that are used before any noun, noun phrases (such as to show the direction, place, location, and time), and pronoun. The example of prepositions are "in", "at", "to", "of", "on", etc.

In the given sentence we have to choose the preposition that best fits in the sentence. For that we have to understand the use of each of the given preposition:

On: It is used when we are talking about time

Over: It is used if one thing is much higher than another thing

In: It is used when we are talking about something

Among​: It is used when we are talking about a group of things

Hence, in the given sentence "in" is used.

There was a steep rise in onion prices.