Viroids have |
|||
a) |
ssRNA not enclosed by protein coat |
b) |
ssDNA not enclosed by protein coat |
c) |
dsDNA enclosed by protein coat |
d) |
dsRNA enclosed by protein coat |
Viroids have |
|||
a) |
ssRNA not enclosed by protein coat |
b) |
ssDNA not enclosed by protein coat |
c) |
dsDNA enclosed by protein coat |
d) |
dsRNA enclosed by protein coat |
(a)
Viroids are small, single stranded, circular RNA molecules not enclosed by protein coat. They were discovered by T O Diener in 1971. Viroid replication requires host encoded RNA polymerase.
Which one of the following organisms is scientifically incorrectly named and incorrectly described |
|
a) |
Plasmodium falciparum-A protozoan pathogen causing the most serious type of malaria |
b) |
Trypanosoma gambiense-The parasite of sleeping sickness |
c) |
Diatoms-Very good pollution indicators |
d) |
Noctiluca-A Chrysophyte, which shows bioluminescence |
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