Question # 1

In lysogenic cycle, the DNA of bacteriophage

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Joins the bacterial chromosomes

Attaches to the inner surface of the host membrane

Is immediately degraded when it enters the host

Goes directly to the host's ribosomes for translation

A virion is

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Virus

Viral protein

Viral lysozyme

Viral gene

About 60% of adults are timmune to disease.

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Mumps

Nests

Influenza

Pollio

Organelle of symbiotic origin is.

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Cell wall

Cell memberane

Mitochondria

Vacuole

The process in which the phage is called prophage is termed as.

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Induction

Deduction

Lysogany

Presentation

Pig could be the source of infection of hepatitis.

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A

B

E

C

One of the following is in the order of increasing group size, beginning with the smallest family, kingdom, species, phylum or division, genus, order and class

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Family, kingdom, species, genus

Division, genus, order, class

Class, genus, order, family

Species, genus, order, family

Phylogeny describes a species.

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Morphological similarities with other species.

Evolutionary history

Reproductive compatibilities with other species.

Geographical distribution

The number of capsomeres present in herpes virus capsid is.

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252 Capsomeres

162 Capsomeres

250 Capsomeres

100 Capsomeres

Measles and mumps is caused by virus belonging. to a group called as.

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Pox virus

Paramyxo virus

Adeno virus

Polio virus

Phylogeny describes a species

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morphological similarities with other species

Evolutionary history

Reproductive compatibilities with other species

Geographical distribution

In 1966 Ernst Hacckel proposed a third kingdom called

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Monera

Plantae

Fungi

Protoctista

Para my oxviruses cause thedisease.

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Influenza

Polio

Mumps and Measles

Herpes simple

Icosahedral virus have nearly.

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10 faces

20 faces

30 faces

40 faces

The smallest known viruses contain RNA spherical cotised are there.

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Polio Viruses

Pox viruses

Herpes viruses

Influenzas viruses

The smallest known viruses are.

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Bacteriophage

pseudomonas

Polio

E -coli

The known species of animals are.

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1.5 million

73.1 million

53.1 million

2.5 million

Cap sonars a substitutes which for an capsid viral These capsomeres are chemically.

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Lipids

Nucleic acid

Paramelitids

Carbohydrates

Prions are made up of.

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Lipids

Nucleic Acid

Proteins

None of these

In the lytic cycle of a bacteriophage, the host DNA is

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Replicated

Turned off by a protein coat

Digested into its nucleotides

Turned on by the removal of a protein coat

Lytic cycle completion occurs about

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15 min

25 Min

35 Min

05 Min

The number of capsomeres in capsid of adenovirus are.

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152

252

352

452

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