Algae belongs to which of the following levels of the ecosystem?
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Which feature of a plant helps to distinguish a monocot from a dicot?
The body of all complex animals consist of only _______ basic types of tissue(s).
Harmful bacteria in potable water make the water
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
WD, SH, OL, ?
A piece of paper is folded and cut as shown below in the question figures. From the given answer figures, indicate how it will appear when opened.
The metal that can be cut with a knife is
By which process substance like carbon dioxide or oxygen can move across the cell membrane?