Tag: agriculture- crops

Quizzes (13) Questions (2)

Questions Related to agriculture- crops

Multiple choice evs agriculture- crops manure manures and fertilisers role of organic manures in soil management

In high yielding `hybrid crop varieties', to exploit hybrid vigour, the farmers need to purchase fresh hybrid seed every year, because

  1. They are not allowed to grow their own seed

  2. The hybrid vigour is lost due to inbreeding depression

  3. The government of India has accepted Dunkel's proposals

  4. It is cheaper to purchase fresh seed
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Hybrid seeds are the result of crossing two genetically distinct inbred lines. If seeds from these hybrids are saved and replanted, the offspring show segregation, leading to a loss of the uniform, high-performing traits known as hybrid vigour.