Biofortification refers to:

The correct answer is Option (4)-Breeding crops with higher levels of vitamins and minerals, or higher protein and healthier fat

Biofortification – breeding crops with higher levels of vitamins and minerals, or higher protein and healthier fats – is the most practical means to improve public health.
Breeding for improved nutritional quality is undertaken with the objectives of improving –
(i) Protein content and quality;
(ii) Oil content and quality;
(iii) Vitamin content; and
(iv) Micronutrient and mineral content.

SCP is one of the sources of proteins for animal and human nutrition.

Somatic hybrids are produced by somatic hybridization.

Mutation breeding is one of the methods for making crops disease-resistant.