Biology · BGCSE / Reproduction
StructuredPast exam questionForm 5 · BGCSE
Fig. 7.1 shows stages R1 to R4 of the reproduction of a fresh water organism (a single-celled organism with a flagellum and one nucleus; at R2 the nucleus has doubled, at R3 the cell widens with two nuclei and two flagella, at R4 it splits lengthwise).
- aName the group to which the organism belongs and outline the characteristics which distinguish it from bacteria. [4]
- bDescribe and explain stages R1 to R4. [5]
You'll mark your own answer against the marking guide when you hand it in.
Source: BEC BGCSE Biology 2011, Paper 3, Question 7(a)
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