Animal Kingdom
In sea urchin DNA, which is double stranded, 17 % of the bases were shown to be cytosine. The percentages of the other three bases expected to be present in this DNA are
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Single Choice
Presence of pedicellariae is the characteristic of
AHydrozoa
BAsteroidea
Correct Answer
CCrustacea
DCephalopoda
Solution
Pedicellariae is a small wrench- or claw-shaped structure commonly found on echinoderms, particularly in 'sea stars' (class Asteroidea) and 'sea urchins' (class Echinoidea). They are thought to keep the body surface clear of algae, encrusting organisms, and other debris in conjunction with the ciliated epidermis present in all echinoderms. Hence, option B is correct.
SIMILAR QUESTIONS
Animal Kingdom
The animal that has tube feet is:
Animal Kingdom
Which of the following echinoderm animal belongs to class Crinoidea?
Animal Kingdom
Echinoderms are characterized by:
Animal Kingdom
Which of the following echinoderm remain attached to some objects at some stage of life, has no pedicellariae and tube feet are without suckers?
Animal Kingdom
Echinoderms resemble chordates in having
Animal Kingdom
Which of the following echinoderm is not marine?
Animal Kingdom
In starfish at the aboral end near the anus, a plate-like porous structure is found and is called:
Animal Kingdom
Aristotle's lantern' is found in
Animal Kingdom
Radially symmetrical animals may occur in
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