WorksheetsZoology Quiz: Echinoderms
Total questions: 20
Worksheet time: 10mins
What is the meaning of the word 'echinoderm'?
Bottom-dwelling
Spiny skin
Marine invertebrate
Benthic organism
Which of the following is NOT an echinoderm?
Jellyfish
Sea cucumber
Sand dollar
Sea star
How many living classes of echinoderms are there?
6
7
5
20
What is the primary function of the water-vascular system in echinoderms?
Locomotion and food gathering
Respiration and excretion
Sensory perception and reproduction
Circulation and digestion
Which class of echinoderms includes sea urchins and sand dollars?
Crinoidea
Ophiuroidea
Asteroidea
Echinoidea
What is the function of the pedicellariae in sea stars and sea urchins?
Protection and cleaning
Feeding and digestion
Reproduction and locomotion
Respiration and excretion
Which echinoderm has the ability to regenerate its lost body parts?
Sea urchin
Sea cucumber
Sea lily
Brittle star
What is the primary diet of sea urchins?
Coral
Seaweed
Algae
Bivalves
Which echinoderm is known for its flower-shaped body at the tip of an attached stalk?
Sea urchin
Sea cucumber
Sea star
Sea lily
What ecological role do echinoderms play in coral reefs?
All of the above
Controlling distribution of marine life
Providing oxygen at greater depths
Preventing algae growth
What is the primary habitat of most echinoderms?
Deep sea
Freshwater bodies
Desert
Tropical rainforests
Which of the following is a characteristic feature of echinoderms?
Presence of a backbone
Radial symmetry
Ability to fly
Warm-blooded
What is the function of tube feet in echinoderms?
Respiration
Feeding
Movement and feeding
Reproduction
What is the primary method of reproduction in most echinoderms?
Sexual reproduction
Asexual reproduction
Both sexual and asexual reproduction
None of the above
Which class of echinoderms includes feather stars and sea lilies?
Crinoidea
Ophiuroidea
Asteroidea
Echinoidea
Which class of echinoderms includes sea stars and brittle stars?
Crinoidea
Ophiuroidea
Asteroidea
Echinoidea
What is the function of the madreporite in echinoderms?
Respiration
Feeding
Regulation of water-vascular system
Reproduction
Which echinoderm is known for its long, slender, flexible arms?
Sea urchin
Sea cucumber
Brittle star
Sea lily
What is the primary function of the spines in echinoderms?
Protection against predators
Feeding
Reproduction
Respiration
Which class of echinoderms includes sea cucumbers?
Crinoidea
Ophiuroidea
Asteroidea
Holothuroidea
