Match the category in Column-$I$ with their description in Column-$II$.
Column-$I$Column-$II$
$i$. Extinct$a$. Decline in species population from $50\%$ to $70\%$ over last $10$ years.
$ii$. Endangered$b$. Species that are abundant.
$iii$. Vulnerable$c$. Species of which its last individual has died.
$iv$. Least concern$d$. Decline in species population from $30\%$ to $50\%$ over last $10$ years.

  • A
    $i-b, ii-c, iii-d, iv-a$
  • B
    $i-c, ii-a, iii-d, iv-b$
  • C
    $i-a, ii-b, iii-c, iv-d$
  • D
    $i-c, ii-b, iii-a, iv-d$

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$A$ species facing an extremely high risk of extinction in the immediate future is called:

Match List-$I$ with List-$II$:
List-$I$List-$II$
$A$. The Evil Quartet$I$. Cryopreservation
$B$. Ex situ conservation$II$. Alien species invasion
$C$. Lantana camara$III$. Causes of biodiversity losses
$D$. Dodo$IV$. Extinction

Choose the option with all correct matches:

What is true for $X$ in the figure representing the species-area relationship?

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Match the following columns:
Column-$I$Column-$II$
$(a)$ Clarias gariepinus$(1)$ Zebra
$(b)$ Lantana$(2)$ Tiger
$(c)$ Bali$(3)$ Weed
$(d)$ Quagga$(4)$ African Catfish

Using the provided graph,determine the percentage of bird species that will be lost if the island's inhabitable land area is reduced from $100,000\, km^2$ to $1\, km^2$.

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