1 nimn mean se kaun-si taje jal ki bani machhali nahian hai?
2 nam bindu bastiyaan nimn mean se kis kshetr mean payi jati haian?
3 nimn mean se kaun-sa sagar mahasagariy marusthal ke roop mean pahachana jata hai?
4 sarvapratham haritagrit prabhav (grin haus iphekt) ko batane vala vaijnanik nimn mean se kaun tha?
5 vishv ke kis desh mean sarvadhik janasankhya payi jati hai?
6 bharat mean dakshin-pashchimi manasoon ka samay samanyatah kab se kab tak hota hai?
7 nimn mean se kaun-si nadi ganga ke bayean kinare par nahian milati hai?
8 nimn mean se kin-kin deshoan mean janasankhya ka sarvadhik ghanatv paya jata hai?
9 nimn mean se kis rajy ki janasankhya mahilaoan ke anukool hai?
10 soory grahan nimn mean se kis sthiti mean p data hai?
11 bharat mean tambakoo ka sarvadhik matra mean niryat karane vala bandaragah nimn mean se kaun-sa hai?
12 kaiga paramanu vidyut sanyantr bharat ke kis rajy mean sthit hai?
13 manav jati ke lie nimn mean se kaun-sa vriksh sarvadhik upayogi hai?
14 kis bharatiy sthan ko 'aantariksh nagar' ke upanam se bhi jana jata hai?
15 bharatiy manasoon ka varnan sabase pahale kis arab vidvan dvara kiya gaya?