Question
Draw the sigmoid growth curve.
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Observe the diagrams of blood cells and answer the following questions
(a) Which of the above is agranulocyte ?
(b) Describe its origin and structure.
(c) Mention its types.
(d) Explain its function.
Identify A in the given diagram. Write the function of the same.

Observe the given diagram and answer the following questions

(1) Enlist the stages of Entamoeba histolytica you see in the above diagram.
(2) Where are these stages passed?
(3) How does Entamoeba come out of the body of the host?The diagram given below is that of a intra-uterine contraceptive device. Study the same and then answer the questions that follows:
1.Give the name of intra-uterine contraceptive device shown in the diagram.
2.What is its mode of action?