1st Year Biology Chapter 5 Variety of Life MCQs Short Questions Notes

biology 11th notes Chapter 5

1. What is the distinguishing feature of retroviruses?

 
 
 
 

2. Viruses are considered nonliving because:

 
 
 
 

3. All viruses:

 
 
 
 

4. In general appearance cubical phase are regular solid or:

 
 
 
 

5. Viroids differ from other viruses in having:

 
 
 
 

6. The first to isolate a plant virus as crystal:

 
 
 
 

7. T4 Phages:

 
 
 
 

8. Reverse transcription, carried out by retroviruses, is the process by which?

 
 
 
 

9. In 1935 isolated crystal of virus from infected leaf of tobacco.

 
 
 
 

10. During lytic cycle how many phages are released from infected host cell:

 
 
 
 

11. Who proposed a third kingdom to accommodate Euglena like organism and bacteria?

 
 
 
 

12. Copying the HIV virus’ nucleic acid depends on:

 
 
 
 

13. RNA retroviruses have a special enzyme that:

 
 
 
 

14. An example of latent period in which DNA of phage is integrated with the DNA of host coli chromosome is:

 
 
 
 

15. Which is not true? Viruses are classified by:

 
 
 
 

16. The plant kingdom is first divided into which category of classification?

 
 
 
 

17. The word virus is derived from Latin word:

 
 
 
 

18. Which of these is a true statement?

 
 
 
 

19. Which one is composed of one or more species?

 
 
 
 

20. Edward Jenner first vaccinated an 08 years old boy with pus from cowpox lesion.

 
 
 
 

21. Viruses range in size from:

 
 
 
 

22. Linnaeus developed the system of nomenclature which we still use today is:

 
 
 
 

23. Scientific name has advantages of:

 
 
 
 

24. Which of the following is not true about viruses?

 
 
 
 

25. The function of the enzyme reverse transcriptase in HIV infection is to:

 
 
 
 

26. Measles and mumps are caused by:

 
 
 
 

27. The seven bones in the human neck correspond with the same seven, much larger, neck bones in the giraffe. They are:

 
 
 
 

28. The first virus to be purified was the:

 
 
 
 

29. Identifying organisms by their Genus and Species names is called:

 
 
 
 

30. A class is a group of related:

 
 
 
 

31. Which virus is transmitted by faecal oral route?

 
 
 
 

32. The basic unit of classification is:

 
 
 
 

33. In the scientific name of onion, Allium cepa, the Allium belongs to its:

 
 
 
 

34. HIV drug is:

 
 
 
 

35. The phage reproductive cycle that kills the bacterial host cell is:

 
 
 
 

36. Some RNA viruses have no DNA stage. Messenger RNA is synthesized from an RNA template. These viruses are:

 
 
 
 

37. Which step in the lytic cycle follows attachment of virus and release of DNA into the host cell?

 
 
 
 

38. Mitochondria, chloroplast:

 
 
 
 

39. Hepatitis B:

 
 
 
 

40. Vaccine:

 
 
 
 

41. Which of the following is not a viral disease?

 
 
 
 

42. In printed scientific names, only the is capitalized.

 
 
 
 

43. A process in which DNA of virus detached from host’s chromosome and start lytic cycle:

 
 
 
 

44. Tail of bacteriophage has an enzyme for dissolving a portion of bacterial cell wall:

 
 
 
 

45. Obligate intracellular parasite because they lack metabolic machinery are:

 
 
 
 

46. Robert Whittaker:

 
 
 
 

47. In the two kingdom systems which of these would characterize an animal:

 
 
 
 

48. Colorado Tick fever is caused by:

 
 
 
 

49. The pointer is indicating the virus’s: 25 sec.

 
 
 
 

50. Viruses are symmetrical in structure. We know this because they can be:

 
 
 
 

51. When a bacteriophage is integrated into a cellular genome it is called a:

 
 
 
 

52. The level of hierarchy just below Phylum is:

 
 
 
 

53. Which part of animal virus is not produced in multiple copies?

 
 
 
 

54. The virus capsid may be described as:

 
 
 
 

55. Phyla:

 
 
 
 

56. Who introduce the system for naming of organisms known as binomial nomenclature?

 
 
 
 

57. A set of related genera would be grouped into a:

 
 
 
 

58. T lymphocyte:

 
 
 
 

59. A group of organisms at any particular level in a classification system is called a:

 
 
 
 

60. List of names of animal:

 
 
 
 

61. Genetic material of tobacco mosaic virus is:

 
 
 
 

62. Which of the following is not a virus structure?

 
 
 
 

63. A disease tobacco mosaic virus is caused by:

 
 
 
 

64. Living organisms can be classified on the basis of:

 
 
 
 

65. HIV is not transmitted by:

 
 
 
 

66. HIV:

 
 
 
 

67. Release by Lysis or Budding:

 
 
 
 

68. Polio virus is:

 
 
 
 

69. Yellow fever:

 
 
 
 

70. _____are small naked fragments of RNA that infect plant cells.

 
 
 
 

71. Electrophoresis is used to:

 
 
 
 

72. The organisms are grouped into larger, more inclusive categories:

 
 
 
 

73. Viruses are denied a kingdom of their own because:

 
 
 
 

74. The eukaryotic multicelluar reducers are:

 
 
 
 

75. Adenovirus:

 
 
 
 

76. How many caspomeres are present in the capsid of herpes virus?

 
 
 
 

77. If two organisms are in the same phylum, they must also be in the same:

 
 
 
 

78. Plants are:

 
 
 
 

79. Which does not describe viruses?

 
 
 
 

80. Virus is a Latin word meaning:

 
 
 
 

81. HIV is:

 
 
 
 

82. Virus are strict that require the enzyme of the host cell for their life process.

 
 
 
 

83. Which disease is transferred to human by bites of dogs?

 
 
 
 

84. Virion:

 
 
 
 

85. Chitin in cell wall:

 
 
 
 

86. Hepatitis A is caused by:

 
 
 
 

87. Prion:

 
 
 
 

88. Which of the following are not matched correctly?

 
 
 
 

89. When a virus kills the infected host cell in which it is replicating, the reproductive cycle is called a cycle.

 
 
 
 

90. The human immunodeficiency virus primarily infects:

 
 
 
 

91. The immune system protects the body from diseases. Because the AIDS virus weakens the immune system therefore:

 
 
 
 

92. In 1966 Ernst Haeckel proposed a third kingdom called:

 
 
 
 

93. Organisms in the Kingdom Animalia are:

 
 
 
 

94. Which of the following organs do hepatitis viruses infect?

 
 
 
 

95. Protista:

 
 
 
 

96. A plant infected from an external source of virus through injured parts is:

 
 
 
 

97. The mode of nutrition related to fungi in 5 kingdom classification is:

 
 
 
 

98. The fine kingdom system of classification was proposed by:

 
 
 
 

99. AIDS spread by:

 
 
 
 

100. What do plants and animals have in common?

 
 
 
 

101. Pigs are reservoir to:

 
 
 
 

102. Monera Protista Plantae Fungi Monera

 
 
 
 

103. Which of the following illness is caused by a retrovirus?

 
 
 
 

104. The five kingdom system of classification was proposed by:

 
 
 
 

105. Which of the following groups would contain the largest number of organisms?

 
 
 
 

106. Which disease is caused by paramyxoviruses?

 
 
 
 

107. The phage which causes lysis of the host cell is known as:

 
 
 
 

108. Prokaryotic organisms make up the:

 
 
 
 

109. Fungi:

 
 
 
 

110. Once bound to the cell surface, the virus must enter:

 
 
 
 

111. The virus that can pass through porcelain filters is called:

 
 
 
 

112. Common cold is caused by:

 
 
 
 

113. Hepatitis A:

 
 
 
 

114. Jelly fish:

 
 
 
 

115. matching set regarding viral diseases?

 
 
 
 

116. Encephalitis is caused by:

 
 
 
 

117. Which of these are found in all viruses?

 
 
 
 

118. Viruses that cause lysis in host cells are called:

 
 
 
 

119. Bacteria:

 
 
 
 

120. Herpes and shingles are caused by:

 
 
 
 

121. Cassia fistula:

 
 
 
 

122. Zea mays:

 
 
 
 

123. Margulis and Schwartz renamed Whittaker’s kingdom Protista as:

 
 
 
 

124. Bacteriophage occurs in two structural form having:

 
 
 
 

125. A _____ is a submicroscopic infectious particle composed of a protein coat and a nucleic acid core.

 
 
 
 

126. Which of the following is necessary for a virus to reproduce?

 
 
 
 

127. Which hepatitis virus is parentally transmitted?

 
 
 
 

128. The viruses whose genome act directly as messenger RNA after infecting a host cell are called:

 
 
 
 

129. Multiculler Eukaryotic heterotrophs:

 
 
 
 

130. Bacteriophage:

 
 
 
 

131. A virus which incorporates its DNA into the DNA of its host organism is a:

 
 
 
 

132. In 1884 one of Pasteur’s associate found that bacteria can not pass through procelain filters.

 
 
 
 

133. What is the most effective protection against viral infections?

 
 
 
 

134. Vaccin is not available for which virus:

 
 
 
 

135. B viral genome contains:

 
 
 
 

136. Which is an infectious protein particle?

 
 
 
 

137. Small pox, yellow fever, Diphtheria, herpes, Tetanus, Mumps, Citrus Canker, Typhoid, AIDS, Measles are some examples of diseases, How many of them are caused by viruses?

 
 
 
 

138. The transmission of virus from host to progeny is:

 
 
 
 

139. Which is not true of prokaryotes?

 
 
 
 

140. Which of the following is not a DNA virus?

 
 
 
 

141. Prophage:

 
 
 
 

142. Organism with prokaryotic cells belong to the kingdom:

 
 
 
 

Short Questions

1. Affect the pathogenic viruses?
2. Are viruses resistant to antibiotics?
3. At the time of Louis Pasteur and robert koch the word virus was referred for what purpose?
4. Define binomial nomenclature. Give an example.
5. Define species and virology.
6. Define species?
7. Define the term species?
8. Define virus?
9. Differentiate between capsid and capsomeres?
10. Differentiate between procariotique and eucariotique.
11. Give any two rules of binomial nomenclature?
12. How can we prevent AIDS?
13. How hepatitis A is transmitted?
14. How is HIV transmitted?
15. How many species of animals and plants are known?
16. How many times viruses are smaller than bacteria?
17. Into how many structural forms bacteriophages occur?
18. List the divisions of the biological classification system of animals?
19. Name some viral diseases which are common in pakistan?
20. Name the five kingdoms proposed by robert whittaker?
21. Name the organism which shares the characters of both the plants as well as animals?
22. On what basis do you sy that HIV is host specific?
23. Sketch and label diagram of bacteriophage.
24. What are different shapes of viruses?
25. What are naked virions?
26. What are pocks?
27. What are prions?
28. What are symptoms of small pox?
29. What are the basis of five kingdom system proposed by robert whittaker?
30. What are the prions?
31. What are the symptoms of Hepatitis?
32. What did Chamberland find?
33. What do you mean by obligate intracellular parasites?
34. What does bacteriophage mean?
35. What does the viral nucleic acid do immediately afrer entering the host cell?
36. What is an obligate parasite?
37. What is autotrophy?
38. What is Binomial nomenclature?
39. What is Hepatitis?How it is caused?
40. What is Influenza?
41. What is lysozyme?
42. What is lytic or virulent phage?
43. What is Measles?
44. What is Mumps?
45. What is nucleocapsid?
46. What is temperate or avirulent phage?
47. What is the botanical name for potato and brinjal?
48. What is the capsid made up of?
49. What is the composotion of virion?
50. What is the difference between cubical and helical phages?
51. What is the difference between kingdoms Monera and Protista?
52. What is the lowest and highest group in classification?
53. What is the meaning of Pyramidal?
54. What is the mode of transmission of HIV?
55. What is the nature of nucleic acid in phages?
56. What is the origin of the word virus?
57. What is the role of capsid?
58. What is the scientific name for onion amaltas and man?
59. What is the size of viruses?
60. What is the Swedish botanist, Carolus Linnaeus famous for?
61. What is vaccine?
62. What is virology?
63. What us HAV abbreviation for?
64. What was the work of Ivanowsky?
65. When did small pox occur as epidemic in China?
66. When filterable agents were first purified?
67. Where word virus is derived from?
68. Which are the kinds of the hepatitis caused by virus yet unidentified?
69. Who and when system for naming and classifying devised?
70. Who isolated the virus from the host tobacco cells in and when?
71. Why the term vaccination was used by Louis Pasteur?
72. Why viruses can pass through the pores of filter while bacteria cannot?
73. With which material jenner vaccinated 8 years old boy?
74. Write down biological classification of corn.
75. Write down five postulates of germ theory of disease by Robert Koch.
76. Write down four characteristics of viruses.
77. Write four names of viral diseases common in human beings.

Long Questions

1. Describe Linnean’s system of binomial nomenclature in detail. Give its rules.
2. What is AIDS? How’s it transmitted?
3. Describe some viral diseases, which are common in Pakistan.
4. What is hepatitis? Give its symptoms and discuss its three common types.
5. Describe lytic cycle of bacteriophage (with diagram).
6. Define specie Describe its characteristics?
7. Give biological classification of corn?
8. Define binomial nomenclature? Write its rule?
9. Write the objections of two and three kingdom system of classification?
10. Differentiate five kingdoms suggested by whitakker?
11. Who modified the kingdom system and how?
12. Differentiate between nucleocapsid and capsid?
13. Differentiate between lytic and lysogenic cycle?
14. What do you mean by induction and prophage?
15. Diferentate oetween prion and virion
16. Sketch the lytic and lysogenic cycle?
17. Draw and label the diagram of bacteriophage?
18. Wnte a note on small pox and Herpes simplex
19. What is hepatitis? Also give its symptoms, causes and control
20. Compare HAV, HBV HCV.
21. Write the scientific names of onion, man, potato, tomato , brinjal.

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