Direction for: In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements mark the correct answer as
Assertion Granulocytes are white blood cells. Reason They contain lobed nuclei and tiny granules.A) extinction of these species from other regions
B) continental separation
C) absence of terrestrial route to these places
D) retrogressive evolution
Correct Answer: B
Solution :
On the basis of presence of tiny granules and number of lobes in nucleus of their cytoplasm, white blood cells are divided into two groups: Granulocytes Contain tiny granules and lobed nuclei in their cytoplasm. Agranulocytes Have no cytoplasmic granules in their cytoplasm and their nuclei are also undivided.
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