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NEETBotanyAnimal Kingdom

Read the following statements and choose the following option: 1. Body of insects is divided into head, thorax and abdomen 2. Arthropods have a variety of respiratory organs 3.Aquatic annelids like Nereis possess lateral appendages, parapodia, which help in swimming. 4. Nephridia (sing. nephridium) help in osmoregulation and excretion. 5.Neural system consists of paired ganglia (sing. ganglion) connected by lateral n

Options

  1. AAll are correct
  2. BOnly 1 is correct
  3. COnly 3 is correct
  4. DBoth 1 and 5 are incorrect

Correct answer

A. All are correct

Step-by-step solution

Aquatic annelids like Nereis possess lateral appendages, parapodia, which help in swimming. A closed circulatory system is present. Nephridia (sing. nephridium) help in osmoregulation and excretion. Neural system consists of paired ganglia (sing. ganglion) connected by lateral nerves to a double ventral nerve cord,The body consists of head, thorax and abdomen. They have jointed appendages (arthros-joint, poda-appendages). Respiratory organs are gills, book gills, book lungs or tracheal system.

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