Home

Which statement is not correct for viruses ?

A. Viruses are obligate parasites.

B. Viruses can multiply only when they are inside the living cells.

C. Viruses cannot pass through bacterial filters.

D. Viruses are made up of protein and DNA or RNA (never both DNA and RNA).

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Which of the following statement(s) is/are correct about ascomycetes ?(i) Neurospora, which is used…
  2. Match the terms given in column-I with their examples given in column-II and choose the correct optionColumn-IColumn-II(Terms)(Examples)A.…
  3. A specimen of fungus is brought by a student for identification. Upon close examination, he discovered…
  4. Which of the following statement(s) is/are correct about class basidiomycetes ?(i) They are commonly…
  5. The bacteria which oxidize various inorganic substances and use the released energy for their ATP production…
  6. Match the class of fungi given in column I with their examples given in column II and choose the correct…
  7. How many bacteria are produced in four hours if a bacterium divides once in half an hour ?
  8. The given characters are seen in which of the following group?(i) Unicellular, colonial, filamentous,…
  9. Which of the following is a parasitic fungi on the mustard plant ?
  10. Identify the basis of classification of fungi into phycomycetes, ascomycetes, basidiomycetes and deuteromycetes.i.…
  11. An X reproduces in such a great numbers that the water may appearred, producing a red tides and kills…
  12. Fungi are filamentous with the exception of X which is unicellular. Identify X.
  13. The figure given below shows the structure of a bacteriophage. Identify its parts labelled as A, B,…
  14. Chemosynthetic autotrophic bacteria are named so because
  15. Clamp connection is found in
  16. Which class of fungi lacks sex organs but the process of plasmogamy is brought about by fusion of two…
  17. Protista includes
  18. Fungi show asexual reproduction by all of the following kinds of spores except
  19. Match column-I (Characters/feature) with column-II (examples) and choose the correct option.Column-IColumn-II(Characters/features)(Examples)A.…
  20. Bacteria are found to be primitive organisms because they
  21. Choose the correct names of the different bacteria given below according to their shapes. 
  22. Which of the following is not a viral disease ?
  23. Read the following statements and answer the question given below(i) They are saprophytic protists.(ii)…
  24. Why food can be kept for a longer time in cold house than in normal conditions ? Because,
  25. Consider the following statements with respect to characteristic features of the kingdom.(i) In animalia,…
  26. Which one single organism or the pair of organisms is correctly assigned to its taxonomic group?
  27. Which of the following kingdom does not have nuclear membrane ?
  28. Yeast is not included in protozoans but in fungi because
  29. Bacteria lack alternation of generation because there is
  30. Match the characters given in column I with their examples given in column II.Column IColumn IIA. Long…