Class 12th Biology 2017 Set2 Delhi Board Paper Solution

Question 6

By taking two examples explain how has bio-fortification helped in improving food quality.

Answer

Bio-fortification is the idea of breeding crops to increase their nutritional value.

For example:

1) Golden rice: Contains increased level of vitamin A.

2) In 2000, maize hybrids that had twice the amount of the amino acids, lysine and tryptophan compared to existing maize hybrids were developed.