The unwanted crop that grow along with the cultivated crops are called:
Weeds
The correct option is B:
Explanation of the correct option:
1.The undesirable plants that grow along with the crops are called weeds.
2. These weeds feed on the nutrients provided to the crops and thus reduce the supply of nutrients to the crops, thereby, hindering their growth.
Explanation of the incorrect option:
Option A:
A pest is any animal or plant detrimental to humans or human concerns, including crops, livestock and forestry, among others.
Option C:
The commonly understood cash crop definition is any grain, legume, fruit, or other plant crop grown not for consumption by the farmers, but specifically to be sold for profit.
Final answer: The unwanted crop that grow along with the cultivated crops are called weeds.