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Earn 100
Identify A and B. Give the name of virus.
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Important Questions on Biological Classification
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Which of the following are the most suitable indicators of pollution in the environment?
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Leaf extract from an infected plant was passed through a filter with a pore size of diameter. The infectious agent was detected in the filtrate. Which ONE of the following is the likely infectious agent?
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Select the incorrect pair of viral diseases in plants.
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Explain the structure of T-even bacteriophage.
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Identify the parts labelled in the given figure
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Which one of the following statements is correct about the tobacco mosaic virus?
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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:
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Explain the structure of T-even phages.
HARD
What is the order of events that occur in a bacteriophage lytic cycle?
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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:
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Which of the following statements is wrong for viroids?
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A location with luxuriant growth of lichens on the trees indicates that the:
MEDIUM
Explain the structure of T-even bacteriophages.
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Select the wrong statement.
HARD
Explain the structure of TMV.
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Define bacteriophage and write one example of it.
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Describe the structure of T-even bacteriophage.
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Which one of the following statements is true about viruses?
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A pathogan which cannot be cultured in an artificial medium is:
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Which of the following statements is incorrect?
