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Read the following statements and choose the follwoing option: 1. Annelids reproduce asexually 2. Annelids are strictly monoecious. 3. A closed circulatory system is present in Annelids. 4. Nephridia (sing. nephridium) help in osmoregulation and excretion. 5. Neural system in Annelids consists of paired ganglia (sing. ganglion) connected by lateral nerves to a double ventral nerve cord

Options

  1. AOnly 3 is correct
  2. BBoth 1 and 4 are corect
  3. COnly 1 is incorrect
  4. DBoth 1 and 2 is incorrect

Correct answer

D. Both 1 and 2 is incorrect

Step-by-step solution

Phylum annelida contain organisms which are monocious(earthworms) as well as diocious(Nereis)., Cnidarians exhibit tissue level of organisation and are diploblastic. They have a central gastro-vascular cavity with a single opening, mouth on hypostome.

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