panne par jaean
1 dhan ki fasal mean hone vala rog 'rajat-praroh' nimn mean se kis ke karan hota hai?
2 ba de ki dhoolabhari hava doodh mean kis prakar ka pramukh pradooshan la sakati hai?
3 uttar pradesh mean kaun-si fasal zayad mausam mean kheti ke lie hal mean sanstut ki gayi?
4 ekikrit gramin vikas karyakram ki mukhy ikaee kya hai?
5 'pelophas' khad mean P2O5 kitana pratishat paya jata hai?