Biology 11 Chapter 5
Biodiversity - 15
1.
Which one of the following is not true about polio?
a) it is caused by virus
b) it has no antiviral therapy
c) it is caused by bacteria
d) it can be prevented through vaccination
2.
The leaf curl disease of cotton has got the name due to?
a) curling of leaves of affected plants
b) poor yield of cotton
c) stunted growth of affected plants
d) development of leaf outgrowths
3.
Leaf curl of cotton is caused by?
a) flu virus
b) tobbaco mosaic virus
c) rhabdovirus
d) begomovirus
4.
Begomovirus belongs to the family?
a) geminiviridae
b) paramyxoviridae
c) orthomyxoviridae
d) myxoviridae
5.
Leaf curl of cotton is transmitted by?
a) Bed bug
b) Anopheles mosquito
c) Bemisia tabaci
d) Butterfly
6.
Bemicia tabaci is commonly known as?
a) cotton butterfly
b) cotton white fly
c) cotton stone fly
d) cotton bug
7.
The incubation period of leaf curl disease of cotton is?
a) 2 -3 months
b) 2 - 3 days
c) 2 - 3 years
d) 2 - 3 weeks
8.
The vector of cotton virus, Bemisia tabaci can be controled by using?
a) fungicides
b) homicides
c) herbicides
d) insecticides
9.
Bemisia tabaci is?
a) an insect
b) a reptile
c) a mammal
d) a bird
10.
Which one of the following is not an atypical virus like agent?
a) virion
b) viriod
c) prion
d) defective virus
This is more feedback!
This is the feedback!
