Acellular Life — Biology MCQs (Class 11)
Free chapter-wise Biology MCQs with answers for MDCAT, FSc and entry tests.
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#1 The first virus to be discovered was:
A) HIV
B) Tobacco mosaic virus (TMV)
C) Polio virus
D) Influenza virus
#2 A virus is an obligate intracellular parasite because it:
A) Cannot replicate outside a host cell
B) Is very small
C) Lacks a cell wall
D) Has a nucleic acid core
#3 The protein coat of a virus is called the:
A) Capsomere
B) Nucleoid
C) Capsid
D) Virion
#4 Individual protein subunits that make up the viral capsid are known as:
A) Nucleosomes
B) Capsomeres
C) Protomers
D) Genes
#5 Which of the following is present in all viruses?
A) Envelope
B) DNA
C) Capsid and nucleic acid
D) Ribosomes
#6 An enveloped virus obtains its envelope from the host cell's:
A) Cell wall
B) Cytoplasm
C) Plasma membrane
D) Nucleus
#7 A complete, fully assembled infectious viral particle is called a:
A) Capsid
B) Viroid
C) Prion
D) Virion
#8 The two main components of a virus are:
A) Protein and carbohydrate
B) Protein and lipid
C) Protein and nucleic acid
D) Protein and cell wall
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