Chapter 4Virus, Bacteria and Cyanobacteria(As are the virus and bacteria enemies ofyour body so are the ignorance and sens...
1. Bacteria are heterotrophes:a) true b) false2. Viruses are:a) parasites b) obligate parasitesc) temperate parasites d) a...
Questions 9 - 22Select from the terms below:A) Virus B) BacteriaC) Cyanobacteria D) Both b & cE) N.O.T9. They are prokaryo...
23. Viruses are composed of:a) prokaryotic cellb) nucleic acid + phospholipidsc) phospholipid + proteinsd) neucleic acid +...
31. Straight chain cocci are called staphylococci.a) true b) false32. The autotrophic bacteria contain chloroplasta) true ...
Answer Key1 B 2 B 3 D4 B 5 B 6 C7 E 8 B 9 D10 E 11 A 12 A13 A 14 B 15 E16 D 17 C 18 C19 A 20 B 21 A22 A 23 D 24 C25 C 26 B...
Answer Key1 B 2 B 3 D4 B 5 B 6 C7 E 8 B 9 D10 E 11 A 12 A13 A 14 B 15 E16 D 17 C 18 C19 A 20 B 21 A22 A 23 D 24 C25 C 26 B...
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Ninth class biology mcqs (virus, bactera and cyanobacteria)

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Ninth class biology mcqs (virus, bactera and cyanobacteria)

  1. 1. Chapter 4Virus, Bacteria and Cyanobacteria(As are the virus and bacteria enemies ofyour body so are the ignorance and senselesssongs enemies of your soul)Biology MCQs: 1 Dr. Sajid Ali Talpur
  2. 2. 1. Bacteria are heterotrophes:a) true b) false2. Viruses are:a) parasites b) obligate parasitesc) temperate parasites d) autotrophes3. The word virus is derived from a Latin wordviron which means:a) bad air b) vitalc) disease causing d) poison4. All the microorganisms except bacteria andcyanobacteria are eukaryotes:a) true b) false5. ______discovered tobacco mosaic virus (TMV):a) Iwanosky b) Stanelyc) Leuwenhoek d) Robert Hooke) N.O.T6. Bacteria were discovered by:a) Iwanosky b) Stanelyc) Leuwenhoek d) Robert Hooke) N.O.T7. Cyanobacteria were discovered by:a) Iwanosky b) Stanelyc) Leuwenhoek d) Robert Hooke) N.O.T8. All viruses cause damage to their host:a) true b) falseBiology MCQs: 2 Dr. Sajid Ali Talpur
  3. 3. Questions 9 - 22Select from the terms below:A) Virus B) BacteriaC) Cyanobacteria D) Both b & cE) N.O.T9. They are prokaryotes10. They are eukaryotes11. They are neither prokaryotes nor eukaryotes12. They are neither living nor non-living13. The smallest of these is14. The smallest organism is15. The smallest eukaryote is16. The possess cell wall17. They contain chlorophyll18. They are autotrophes19. AIDS is caused by20. Tuberculosis (T.B) is caused by21. Hepatitis is caused by:22. Dengue is caused byBiology MCQs: 3 Dr. Sajid Ali Talpur
  4. 4. 23. Viruses are composed of:a) prokaryotic cellb) nucleic acid + phospholipidsc) phospholipid + proteinsd) neucleic acid + protein24. Cell membrane is composed of:a) prokaryotic cellb) nucleic acid + phospholipidsc) phospholipid + proteinsd) neucleic acid + protein25. 1nm =?a) 10-6m b) 106mc) 10-9m d) 109m26. The complex viruses have 2000 genesa) true b) false27. The average range size of virus is:a) 10-100nm b) 20-250nmc) 20mm d) 1-10mm28. Bacteria are found every where on earth:a) true b) false29. Virus can not live outside the non-living bodya) true b) false30. Bacilli are round or spherical shaped bacteriaa) true b) falseBiology MCQs: 4 Dr. Sajid Ali Talpur
  5. 5. 31. Straight chain cocci are called staphylococci.a) true b) false32. The autotrophic bacteria contain chloroplasta) true b) false33. Nitrogen fixation in cyanobacteria occurs inheterocyst:a) true b) false34. The protein subunits in the capsid of virus arecalled:a) capsule b) capsomeresc) genome d) capsers35. Virus capsid contains:a) DNA b) RNAc) DNA & RNA d) DNA or RNABiology MCQs: 5 Dr. Sajid Ali Talpur
  6. 6. Answer Key1 B 2 B 3 D4 B 5 B 6 C7 E 8 B 9 D10 E 11 A 12 A13 A 14 B 15 E16 D 17 C 18 C19 A 20 B 21 A22 A 23 D 24 C25 C 26 B 27 B28 A 29 B 30 B31 B 32 B 33 A34 B 35 DBiology MCQs: 6 Dr. Sajid Ali Talpur
  7. 7. Answer Key1 B 2 B 3 D4 B 5 B 6 C7 E 8 B 9 D10 E 11 A 12 A13 A 14 B 15 E16 D 17 C 18 C19 A 20 B 21 A22 A 23 D 24 C25 C 26 B 27 B28 A 29 B 30 B31 B 32 B 33 A34 B 35 DBiology MCQs: 6 Dr. Sajid Ali Talpur

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