Which of the following is a major activity in fisheries (aquaculture)? MCQ with Answer and Explanation

Fisheries, or aquaculture, involves the breeding, rearing, and harvesting of fish, shellfish, algae, and other aquatic organisms in various water environments for food, commercial, and recreational purposes. It includes both inland fisheries (freshwater like ponds, rivers) and marine fisheries (saltwater like oceans). It is a major source of protein and livelihood globally.