VIRUS, BACTERIA, CYANOBACTERIA ( I X )
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VIRUS, BACTERIA, CYANOBACTERIA ( I X )
1.
living ogganisms which be connot be seen without the help of microscope are called__________.
a) Micro organism
b) Bacteria
c) Viruses
d) Portozoa
2.
protoza are __________.
a) Autotroph
b) Hetrotroph
c) monera
d) Protista
3.
_______ are the smallest, simplest and perhaps the most primitive living things.
a) Bacteria
b) Cyanobacteria
c) Viruses
d) Fungi
4.
_________ disease was occurring in tobacco plant leaves.
a) Scurvy
b) Fungi
c) Viral
d) Tobacco mosaic
5.
Viruses are ________.
a) Cellular
b) non-cellular
c) a cellular
d) unicellular
6.
The number of ________ in characteristics of a perticular virus.
a) Capsomeres
b) Viral-envelopes
c) Nucleric Acid
d) Tail fiber
7.
Viruses show _________.
a) Mutations
b) Replication
c) Genetic recombination
d) Resemblance
8.
poliomyelitis caused by _________ virus.
a) Measles
b) Crippling
c) Mumps
d) Poilo
9.
Colds are viral infection of upper ________ tract.
a) Respiratory
b) Reproduction
c) Excretory
d) Circulatory
10.
The flu is the most common disease caused by the ___________ virus.
a) Rabies
b) Influenza
c) HIV
d) Cold
11.
bacteria, first observed by _________.
a) Schwann
b) Darwin
c) leeuwenhoek
d) Charles
12.
Solitary, Monococcus, Diplococci, Streptococci are examples of ____________.
a) Coil shaped bacteria
b) Corkscrew shaped bacteria
c) Flagellated
d) Barry rounded shaped bacteria
13.
_________ bacteria get their food form dead organic matter.
a) Saprophytic
b) Stmbiotic
c) Parasitic
d) Autotrophic
14.
_________ bacteria carry out photosynthesis.
a) Autotrophic
b) Symbiotic
c) Parasitic
d) photosynthetic
15.
Aerobes require ___________ for respiration.
a) Nitrogen
b) Hydrogen
c) oxygen
d) Carbon dioxide
16.
_______ is a vitamin produces by clostridium.
a) Magnisium
b) Calcium
c) Potassium
d) Riboflavin
17.
__________ bactria may occure alone or in the form of colonay.
a) Cyanobacteria
b) Medicinal
c) pathogenic
d) Agricultural
18.
________ bacteria may acts as invisible enimies for man.
a) Industrial
b) Pathogenic
c) Cemosynthetic
d) Cyanobacteria
19.
The Nostoc is ________.
a) Filamentous
b) Double layer
c) Thick layer
d) Rounded cell
20.
AIDS is caused by __________ virus
a) MMR vaccine
b) Cold
c) Acquire immune Deficiency Syndrome
d) Rabies
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