CBSE Class 10 Science 2017 · Paper 31/1/C · Question 35
Draw a labelled diagram to show that particular stage of binary fission in Amoeba in which its nucleus elongates and a constriction appears in its cell membrane.
Answer
The diagram shows an Amoeba with one elongated nucleus lying across the middle and a shallow constriction pinching the cell membrane.
The labelled diagram shows Amoeba with a single elongated nucleus lying across the middle of the cell and a shallow constriction pinching the cell membrane in at the middle, above and below it. Labels: cell (plasma) membrane, cytoplasm, elongated nucleus, constriction in the cell membrane, pseudopodium.
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