Zoology · 2012
NEET 2012 · Prelims · Code A · Q186
In an area where DDT had been used extensively, the population of birds declined significantly because:
In an area where DDT had been used extensively, the population of birds declined significantly because :
Official answer
(2)
many of the birds eggs laid, did not hatch
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NEET (UG) 2012 Zoology question, with the answer from NTA’s final answer key. Where our answers come from.