हाथियों के पूर्वजों की विशेषताओं को बताएं और विभिन्न भूवैज्ञानिक कालों के दौरान हुई प्रगतिशील विकासों को बताएं जिनके परिणामस्वरूप आधुनिक हाथी का उदय हुआ है। (Give the characteristic features of ancestors of elephants and give progressive evolutions that have occurred during various geological times resulting in the emergence of the modern-day elephant.)
(UPSC 2015,20 Marks,)
Give the characteristic features of ancestors of elephants and give progressive evolutions that have occurred during various geological times resulting in the emergence of the modernday elephant.
हाथियों के पूर्वजों की विशेषताओं को बताएं और विभिन्न भूवैज्ञानिक कालों के दौरान हुई प्रगतिशील विकासों को बताएं जिनके परिणामस्वरूप आधुनिक हाथी का उदय हुआ है। (Give the characteristic features of ancestors of elephants and give progressive evolutions that have occurred during various geological times resulting in the emergence of the modern-day elephant.)
(UPSC 2015,20 Marks,)