Question
Which of the following is not a pteridophyte
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$A.$ Cyanophyceae $a.$ Green colour
$B.$ Chlorophyceae $b.$ Blue green colour
$C.$ Phaeophyceae $c.$ Red colour
$D.$ Rhodophyceae $d.$ Brown colour
$a$ - Sacred grooves are part of in situ-conservation
$b$ - Zoological parks are approach for in situ-conservation
$c$ - In this approach ecologically unique and biodiversity rich regions are legally protected.