Answer: 3 times more iron.
- A 1.5 times more iron
- B 2 times more iron
- C 3 times more iron
- D 5 times more iron
Correct answer: C. 3 times more iron
Explanation: Through plant breeding, iron-rich bean varieties have been developed containing approximately three times more iron than conventional bean varieties, helping address iron deficiency in populations that rely on beans as a staple.
Different fish species occupy different feeding depths in the same pond without competing for food: Catla feeds near the surface, Rohu in the middle zone, and Mrigal or common carp at the bottom - letting a single pond support far more total fish than one species alone.
Concept context
Learn about animal husbandry, plant breeding, tissue culture, biofortification, and single cell protein.
Read the full Strategies for Enhancement in Food Production notes →