MCQ
Select the wrong statement.
- ✓The walls of diatoms are easily destructible
- BDiatomaceous earth is formed by the cell walls of diatoms
- CDiatoms are chief producers in the oceans
- DDiatoms are microscopic and float passively in water
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$A.$ The sporophyte in liverworts is more elaborate than that in mosses.
$B.$ Salvinia is heterosporous.
$C.$ The lifecycle in all seedbearing plants is diplontic.
$D.$ In Pinus male and female cones are borne on different trees.The two wrong statements together are