Tag: agriculture- crops

Questions Related to agriculture- crops

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

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

  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

Show answer
Correct Option: B

Which of the following species of silk worm are found in India

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

  1. Bombyx mori

  2. Anthera paphia

  3. Anthera assama

  4. All the above

Show answer
Correct Option: D
Explanation:

By 1910
India started regular production of raw silk. The rearing of Bombyx mori and Antheria species was undertaken.