1. Cytology
    2. 1. Tools used in Cytology
    2. Cell Biology
    3. Cell cycle
    4. Biomolecules
  2. Genetics
    3. 5. Introduction
    6. Inheritance
    7. Mutation and Polypoidy
  3. Plant Anatomy
    4. 8. Plant Anatomy
    9.
  4. Plant Physiology
    5. 10. Respiration
    11. Photosynthesis
    12. Growth and Growth hormone
    13. Mode of nutrition and Habitat in Plants
  5. Classification and Biodiversity
    6. 14. Classification
    15. Virus
    16. Bacteria
    17. Thallophyta
    18. Bryophyta
    19. Pteridophyta
    20. Gymnosperm
    21. Reproduction
    22. Morphology of Angiosperm
  6. Taxonomy, Ecology and Application of biology
    7. 23. Taxonomy
    24. Ecology
    25. Application of Biology
Classification and Biodiversity
15. Virus
1. All are caulimo virus except  [IOM 1998]

[IOM 1998]

  • Cauliflower mosaic virus
  • Dahlia mosaic virus
  • Bacteriophage virus
  • Rhabdo virus
2. Obligate parasites [IOM 1998]

[IOM 1998]

  • Cannot multiply outside living cell
  • Can multiply outside living cell
  • Can multiply in soil
  • Can multiply on dead organic matter
3. Bacteriophage is  [IOM 1999, KU 2010

[IOM 1999, KU 2010]

  • Bacteria
  • Fungi
  • Virus
  • Algae
4. TMV was isolated in crystal form by [MOE 2058]

[MOE 2058]

  • Watson and Crick 
  • Morgan
  • W.M. Stanely
  • None
5. The disease influenza is [MOE 2008

[MOE 2008]

  • Bacterial
  • Funga
  • Algal
  • Viral
6. Viruses which multiply without killing host [IE 2002)

[IE 2002)]

  • Virion
  • Lytic
  • Retrovirus
  • Temperate
7. Retro virus and reverse transcriptase were discovered by [IE 2003]

[IE 2003]

  • Sinsheimer
  • Stanley
  • Temin and Baltimore
  • Chase
8. Virus cannot survive outside host because [IE 2005]

[IE 2005]

  • Lack of metabolic activity
  • Separation in two parts
  • Having thick shielding proteineous coat
  • Due to oxidation
9. A clear zone formed in bacterial colony due to viral action is [BPKIHS 1994]

[BPKIHS 1994]

  • Plague
  • Phage
  • Streak
  • Kranz
10. The organism causing SARS has undergone changes from its original form. The actual virus name and the process likely to have caused this change include [BPKIHS 2003]

[BPKIHS 2003]

  • Corona - translocation
  • Corona - crossing over
  • Adeno - translocation
  • Adeno - crossing over
11. Which of the following is impossible in absence of virus? [BPKIHS-2015, 2012]

[BPKIHS-2015, 2012]

  • Conjugation
  • Translation
  • Transformation
  • Transduction
12. TMV (Tobacco Mosaiz Virus) genes are [BPKIHS - 2011]

[BPKIHS - 2011]

  • Single stranded RNA
  • Double stranded RNA
  • Single stranded DNA
  • Double stranded DNA
13. Bacteriophages are [BPKIHS - 2010]

[BPKIHS - 2010]

  • Bacteria attacking algae
  • Virus attacking fungi
  • Bacteria attacking virus
  • Virus attacking bacteria
14. Virus is composed of [IOM-2014] 

[IOM-2014]

  • Protein and nucleic acid
  • Protein and starch
  • Protein, RNA and DNA
  • Protein, starch and carbohydrate
15. Influenza virus is [IOM-2012]

[IOM-2012]

  • 2 RNA
  • 2 DNA
  • 1 RNA
  • 1 DNA
16. Plant virus generally contains  [MOE 2014]

[MOE 2014]

  • RNA
  • DNA
  • DNA and RNA
  • Only proteins
17. The protein coat of virus is called  [MOE 2068]

[MOE 2068]

  • Capsid
  • Capsule
  • Capsomere
  • Fiber
18. Head of the plant virus possesses [MOE 2010]

[MOE 2010]

  • DNA
  • RNA
  • Protein
  • Lipid