Question
Name any two diseases that can be prevented by immunisation.
Name any two diseases that can be prevented by immunisation.
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Why air is called "breath of life"?
Define immunity.
What contribute more to difference in organ system design of plants and animals?
Name the class in which:
India has ______ Major river basins and ______ composite river basins that form the surface water resource.
Classify epithelial tissues on the basis of arrangements of layers.
What is the complete fertilizer?