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With reference to acellular organisms, considering the following statements: 1. Acellular organisms like viruses and viroids as well as the lichens are included in the kingdom animalia. 2. Virus contains both RNA and DNA. Which of the statements given above is/are correct?

With reference to acellular organisms, considering the following statements: 1. Acellular organisms like viruses and viroids as well as the lichens are included in the kingdom animalia. 2. Virus contains both RNA and DNA. Which of the statements given above is/are correct? Correct Answer Neither 1 nor 2

  • Some acellular organisms like viruses and viroids as well as the lichens are not included in the five kingdom system of classification.Hence statement 1 is not correct.
  • Viruses did not find a place in classification since they are not considered truly ‘living’.
  • The viruses are non-cellular organisms that are characterised by having an inert crystalline structure outside the living cell.
  • In addition to proteins, viruses also contain genetic material.
  • Either RNA or DNA. No virus contains both RNA and DNA.Hence statement 2 is not correct.
  • A virus is a nucleoprotein and the genetic material is infectious.
  • In general, viruses that infect plants have single stranded RNA and viruses that infect animals have either single or double stranded RNA or double stranded DNA.

Related Questions

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With reference to lichens, consider the following statements: 1. Lichens are symbiotic associations between algae and bacteria. 2. Algal component is known as mycobiont. 3. Lichens are very good pollution indicators - they do not grow in polluted areas. Which of the statements given above is/are correct?
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