MCQ
Which is the latest era of geological time scale?
- AAzoic
- BProterozoic
- ✓Coenozoic
- DMesozoic
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$R$ -Loss of biodiversity in a region may lead to lowered resistance to environmental perturbations such as drought
$R$ : Western ghats have greater amphibian diversity than eastern ghats.
$I$. Developed at $CDRI$, Lucknow
$II$. Contains a steroidal preparation
$III$. 'Once-a-week' pill
$IV$. Many side effects
$V$. High contraceptive value
$VI$. Very few side effects
$VII$. Low contraceptive value