1
Question
State whether the following statements are true or false.
[1 mark]
Statement 1 - Organisms in phylum Cnidaria show bilateral symmetry.
Statement 2 - Stinging cell is a characteristic feature of phylum Coelenterata.
State whether the following statements are true or false.
[1 mark]
Statement 1 - Organisms in phylum Cnidaria show bilateral symmetry.
Statement 2 - Stinging cell is a characteristic feature of phylum Coelenterata.
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Solution
The correct option is C Only 2 is true.
- Coelenterates have radial symmetry which means that their body will be split into equal halves if we cut the body around a central point.
- So, statement 1 is false.
- Cnidoblasts or stinging cells are a characteristic feature of coelenterates. They use these to catch prey, ward off predators and attach themselves to the substratum.
- So, statement 2 is correct.
- Hence, the correct answer is option B.
- Coelenterates have radial symmetry which means that their body will be split into equal halves if we cut the body around a central point.
- So, statement 1 is false.
- Cnidoblasts or stinging cells are a characteristic feature of coelenterates. They use these to catch prey, ward off predators and attach themselves to the substratum.
- So, statement 2 is correct.
- Hence, the correct answer is option B.
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