Q.

Find out the correct statements :
l) Diatoms are unicellular plants
2) Diatoms are found in water
3) Diatoms have silica coatings
4) Diatoms are not green in colour
(a)1, 2 & 3
(b)2, 3 & 4
(c)4, 3 & 1
(d)1, 2 & 4 Right sign
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