Answer: Ratna and Jaya.
- A IR-8 and IR-36
- B Ratna and Jaya
- C Pusa Basmati and Taraori
- D Sonalika and Kalyan Sona
Correct answer: B. Ratna and Jaya
Explanation: Jaya and Ratna are semi-dwarf high-yielding rice varieties developed in India as part of the Green Revolution.
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 →