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Renal calculi are formed by :–
Which is not correctly matched in the following ?
A multicellular, filamentous alga exhibits a type of sexual life cycle in which the meiotic division occurs just after the formation of zygote. The adult filament of the alga has :-
Select the incorrect match :-
In porifera which type of fertilization takes place ?
The original variety of beak in Darwin's finch was:
Who is the father of ecosystem ecology –
Biological control agent is obtained from :-
How many organism in the list given below are N2-fixer autotrophs ?
Azotobacter, Chromatium, Azospirillum, Rhodospirillum, Rhizobium, Nitrobacter, Aulosira, Nostoc, Oscillatoria.
Correct (-)
Wrong (-)
Skipped (-)