EASY
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IMPORTANT
Earn 100
The proteinaceous infectious particle which can cause some serious animal diseases are called:
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Important Questions on Biological Classification
MEDIUM
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IMPORTANT
Which of the following statements related to viruses are incorrect?
I. Antibiotics can kill viruses
II. Viruses are inactive outside the cell
III. Genes involved in viral metabolism are located in the viral genome
IV. Phages can multiply by two alternative mechanism, the lytic and the lysogenic cycle
The incorrect combination is:
HARD
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IMPORTANT
What is the order of events that occur in a bacteriophage lytic cycle?
MEDIUM
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IMPORTANT
Identify the correct statements among the following.
(A) No virus contains both DNA and RNA.
(B) Viroids were named by Pasteur.
(C) Scrapie disease of sheep is caused by proteins.
(D) In the six kingdom classification three domains are present.
MEDIUM
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IMPORTANT
Assertion (A): Bacteriophages have the ability to replicate within bacterial cells.
Reason (R): Bacterial plasmids have very high copy numbers of their genome in the bacterial cells.
The correct option among the following is:
