CBSE Class 10 Science 2017 · Paper 31/1 · Question 35
Draw in sequence (showing the four stages), the process of binary fission in Amoeba.
Answer
Parent Amoeba, nucleus divides, cytoplasm constricts, then two daughter Amoebae separate: the four stages of binary fission.
The four stages, in order (see the drawing): 1. the parent Amoeba with one nucleus; 2. the nucleus elongates and divides into two; 3. the cytoplasm constricts between the two nuclei; 4. the constriction completes and two daughter Amoebae separate, each with its own nucleus.
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