Symbiotic Bacteria responsible for the fixation of atmospheric nitrogen are present in
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A few organisms can tolerate and thrive in a narrow range of temperatures. Such organisms are called ___________.
Which of the following is a work done by the placenta tissue in humans?
The later (second) formed primary xylem elements are called _____________.
Which disease is caused due to deficiency of Iron?
How many pairs of ribs are there in human body?
Sphygmomanometer measures the blood pressure in the
Octopus belongs to the phylum