FSC Biology MCQs

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[question]
Those organisms which can prepare their own food from simple inorganic material and can store energy are called
A. Autotrophs B. Heterotrophs
C. Procariotique D. Eu-cariotique
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[explanation]A[/explanation]
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[quiz]
[question]
Those organisms which can prepare their own food from simple inorganic material and can store energy are called
A. Autotrophs B. Heterotrophs
C. Procariotique D. Eu-cariotique
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[explanation]c[/explanation]
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[question]
Kingdom Protoctista includes:
A. Prokaryotic organisms B. Unicellular organisms
C. Fungi D. Eu-cariotiquic organisms
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[explanation]c[/explanation]
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[question]
DNA or RNA of viruses is enclosed in ______ coat:
A. Protein B. Carbohydrate
C. Lipid D. DNA
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[explanation]A[/explanation]
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[question]
The size of smallest virus is:
A. 10 nm B. 20 nm
C. 30 nm D. 40 nm
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[explanation]b[/explanation]
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[question]
Which of the statement about viruses is incorrect :
A. We can not grow them in laboratories on artificial medias B. They are obligate intracellular parasite.
C. They can synthesize their nucleic acid D. They are resistant to most of antibiotic treatment
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[explanation]c[/explanation]
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[question]
Protein coat the capsid of adenovirus is :
A. Surrounded by genome B. Surrounding genome
C. Surrounding the envelope D. Both B and C
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[explanation]b[/explanation]
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[question]
An isolated virus is not considered living since it:
A. Separates in to two inner parts B. Can not metabolize
C. Rapidly looses its Genome chemical inert D. Is coated with an air tight shield
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[explanation]b[/explanation]
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[question]
Attachment of the bacteriophage with the receptor site on the bacterial cell wall involves:
A. Strong covalent bond between virion and the receptor site. B. Week chemical unior between them
C. Both A and B depending upon the phage D. None of these
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[explanation]b[/explanation]
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[question]
Which of the following is incorrect for the lysogenic cycle in life cycle of bacteriophage:
A. Phage when gets incorporated with the bacterial chromosome is called prophage. B. The bacterium continues to live and reproduce normally
C. Lysogenic bacteria may get infected by the related phage. D. The cycle may convert into lytic type resulting from environmental exposure.
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[explanation]c[/explanation]
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