Biology 11 Chapter 5
Biodiversity - 1
1.
Which one of the following is Not a viral disease?
a) polio
b) swine flu
c) Leprosy
d) influenza
2.
Dengue fever is caused by?
a) virus
b) algae
c) fungi
d) bacteria
3.
Which one of the following statement is correct about viruses?
a) they can replicate independently
b) they have cellular organization
c) they are acellular
d) they have naked size
4.
Which one of the following is Not a property of virus?
a) they have the genetic material
b) they have no genetic material
c) they have many strains
d) they undergo mutations
5.
Viruses are pathogenic. It means that?
a) they are replicative
b) they never cause diseases
c) they are host specific
d) they cause diseases
6.
Viruses show the characters of?
a) both living and nonliving organisms
b) only living organisms
c) only non living organisms
7.
Which one of the following is correct about viruses?
a) they have digestive enzymes
b) they have a respiratory system
c) they can't be crystalized
d) they don't respire
8.
The study of virus is known as?
a) bacteriology
b) virology
c) serology
d) mycology
9.
Virus was first discovered by?
a) Pasture
b) Iwanowsky
c) Hans Kreb
d) Engelman
10.
Iwanowsky performed his experiments on which plant?
a) wheat
b) rose
c) tobbaco
d) pea
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