The correct option is
A Animal husbandry and plant breeding play a minor role in increasing food production
An increasing population of the world demands enhancement in food production. It is therefore necessary to increase the production of food obtained from both plants and animals. So animal husbandry and plant breeding play a major role in increasing food production, not a minor one.
Animal husbandry is the agricultural practice of breeding and raising livestock. It deals with the rearing, caring and breeding of livestock like buffaloes, cows, pigs, horses, cattle, sheep, camels, goats etc.
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1270785/original_Animal_husbandry.jpg)
Figure : Animal husbandry
Plant breeding is the science of modifying traits in plants to produce desired characteristics. It is done to improve the quality of nutrition in products extracted from plants.
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1270786/original_Plant_breeding.jpg)
Figure : Plant breeding
Domestic animals are those that have been tamed and kept by humans and they have adapted over generations to live alongside humans. They are selectively bred and genetically adapted over generations. Man has domesticated a variety of animals for food (eg: pig), transport (eg: horse), agricultural operations (eg: ox), wool (eg: sheep), fur (eg: sheep), research (eg: sheep), etc.