## DESCRIPTION
## Select the cellular structure that corresponds to the given description.
## ENDDESCRIPTION
## KEYWORDS('cellular structures','descriptions','which one','multiple choice')
## DBsubject('Cell Biology')
## DBchapter('')
## DBsection('')
## Date('2026-07-12')
## Author('Neil R. Voss')
## Institution('Roosevelt University')
DOCUMENT();
loadMacros(
'PGstandard.pl',
'PGML.pl',
'PGchoicemacros.pl',
'parserRadioButtons.pl',
'PGcourse.pl',
);
TEXT(beginproblem());
$showPartialCorrectAnswers = 0;
#==========================================================
# QUESTION DATA
#==========================================================
# All questions data
@questions_data = (
{
'item_name' => 'tail-like structure for motility and movement',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Flagellum',
},
{
'item_name' => 'motility structure for movement and navigation',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Flagellum',
},
{
'item_name' => 'whiplike structure for bacterial movement and motility',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Flagellum',
},
{
'item_name' => 'hair-like appendages used for attachment',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Fimbriae',
},
{
'item_name' => 'hair-like attachment structures for colonization',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Fimbriae',
},
{
'item_name' => 'short, hair-like appendages that aid in attachment and infection',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Fimbriae',
},
{
'item_name' => 'short projections that aid in attachment and infection',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Fimbriae',
},
{
'item_name' => 'mating structure for transfer of genetic material',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Sex pilus',
},
{
'item_name' => 'mating structure for genetic material transfer',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Sex pilus',
},
{
'item_name' => 'structure for transferring genetic material',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Sex pilus',
},
{
'item_name' => 'used for the exchange of genetic material',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Sex pilus',
},
{
'item_name' => 'structure that allows for the transfer of DNA',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Sex pilus',
},
{
'item_name' => 'structure for transfer of genetic material between cells',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Sex pilus',
},
{
'item_name' => 'thin layer for protection and evasion',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Capsule',
},
{
'item_name' => 'thin protective layer that aids in survival',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Capsule',
},
{
'item_name' => 'protective layer used for evasion',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Capsule',
},
{
'item_name' => 'layer for protecting and evading',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Capsule',
},
{
'item_name' => 'a polysaccharide material that surrounds the bacterial cell',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Capsule',
},
{
'item_name' => 'A protective covering surrounding bacteria',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Capsule',
},
{
'item_name' => 'complex protein and polysaccharide structure within the cell wall stiff protein and carbohydrate layer within bacteria cell wall',
'plural_choice' => 'cellular structures',
'singular_item' => 'description',
'choices' => [
'Flagellum',
'Fimbriae',
'Sex pilus',
'Capsule',
'Peptidoglycan',
],
'correct' => 'Peptidoglycan',
},
);
#==========================================================
# SELECT RANDOM QUESTION
#==========================================================
my $local_random = PGrandom->new();
$local_random->srand($problemSeed);
$question_idx = $local_random->random(0, scalar(@questions_data) - 1, 1);
$q = $questions_data[$question_idx];
$item_name = $q->{'item_name'};
$plural_choice = $q->{'plural_choice'};
$singular_item = $q->{'singular_item'};
@choices = @{ $q->{'choices'} };
$correct = $q->{'correct'};
#==========================================================
# SHUFFLE CHOICES (SEED-STABLE)
#==========================================================
my @choice_indices = (0 .. $#choices);
my @choice_shuffled = ();
while (@choice_indices) {
my $pick = $local_random->random(0, $#choice_indices, 1);
push @choice_shuffled, splice(@choice_indices, $pick, 1);
}
@choices = @choices[@choice_shuffled];
#==========================================================
# BUILD RADIO BUTTONS
#==========================================================
$rb = RadioButtons(
[@choices],
$correct,
labels => 'ABC',
displayLabels => 1,
randomize => 0,
separator => '',
);
#==========================================================
# PGML
#==========================================================
BEGIN_PGML
Which one of the following [$plural_choice]* corresponds to the [$singular_item]* [$item_name]*?
[_]{$rb}
END_PGML
BEGIN_PGML_SOLUTION
The correct answer is: [$correct]*
END_PGML_SOLUTION
ENDDOCUMENT();