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In which of the following units is thickness of ozone layer measured ?
A population with an equal number of young and mature individuals represents:
What is the role of pneumatophores?
Which of the following vitamin helps during blood clotting?
Analogous structures are a result of :
Which disorder is caused by the substitution of Glutamic acid (Glu) by Valine (Val) at the sixth position of the beta globin chain of the haemoglobin ?
The shared terminal duct for the reproductive and urinary systems in males is:
Who performed experiments on Vicia faba to prove that the DNA replicates semi-conservatively ?
CO2 rich blood in lungs comes from ?
In which ecosystem is the biomass of primary consumers greater than that of producers?