Cell Structure and Function MCQ Quiz: GKFix - Bridge of Knowledge - Page 5

Question 21

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Which feature is absent in prokaryotic chromosomes?

Circular DNA
Double-stranded DNA
DNA attached to membrane
Centromere

Question 22

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What is the structure of the chromosome in prokaryotic cells?

Linear and associated with histones
Multiple linear chromosomes
Circular and not associated with histones
Linear with centromeres

Question 23

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How do ribosomes differ between eukaryotic and prokaryotic cells?

Both have 80S ribosomes
Eukaryotic cells have 70S; prokaryotic cells have 80S
Eukaryotic cells have 80S ribosomes; prokaryotic cells have 70S ribosomes
Both have 70S ribosomes

Question 24

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What type of organelles are present in eukaryotic cells but absent in prokaryotic cells?

Mesosomes only
70S ribosomes
Double-membraned organelles like mitochondria and chloroplasts
Nucleoid region

Question 25

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Which of the following structures is present in plant cells but typically absent in animal cells?

Plasma membrane
Mitochondria
Large central vacuole
Ribosomes