Question 1

Which phylum does a squid belong to?

Accepted Answer

Mollusca

Answer

Echinodermata

Answer

Arthropoda

Answer

Annelida

Question 2

Which phylum do sea cucumbers belong to?

Accepted Answer

Echinodermata

Answer

Mollusca

Answer

Arthropoda

Answer

Annelida

Question 3

Which phylum do clams belong to?

Accepted Answer

Mollusca

Answer

Arthropoda

Answer

Annelida

Answer

Echinodermata

Question 4

Which of the following is a class within the phylum Annelida?

Accepted Answer

Polychaeta

Answer

Arachnida

Answer

Echinodermata

Answer

Mollusca

Question 5

Which of the following is a characteristic of the phylum Annelida?

Accepted Answer

Coelom

Answer

Exoskeleton

Answer

Radula

Answer

Gill respiration

Question 6

Which of the following is not a characteristic of arthropods?

Accepted Answer

Radial symmetry

Answer

Jointed appendages

Answer

Exoskeleton

Answer

Segmented body

Question 7

Which of the following is an arthropod?

Accepted Answer

Crab

Answer

Salmon

Answer

Turtle

Answer

Frog

Question 8

Which of the following subphyla is not part of the phylum Arthropoda?

Accepted Answer

Subphylum Vertebrata

Answer

Subphylum Myriapoda

Answer

Subphylum Chelicerata

Answer

Subphylum Crustacea

Question 9

Which arthropod class includes organisms with two pairs of antennae?

Accepted Answer

Class Crustacea

Answer

Class Diplopoda

Answer

Class Arachnida

Answer

Class Insecta

Question 10

Which of the following is not a class in Phylum Mollusca?

Accepted Answer

Chondrichthyes

Answer

Gastropoda

Answer

Bivalvia

Answer

Cephalopoda

Question 11

Which characteristic is not typically found in Phylum Mollusca?

Accepted Answer

Endoskeleton

Answer

Mantle

Answer

Radula

Answer

Gills

Question 12

Which structure is not commonly found in Phylum Mollusca?

Accepted Answer

Antennae

Answer

Foot

Answer

Mantle

Answer

Shell

Question 13

Which class in Phylum Mollusca includes organisms with a single shell divided into two halves?

Accepted Answer

Bivalvia

Answer

Gastropoda

Answer

Polyplacophora

Answer

Cephalopoda

Question 14

Which class in Phylum Mollusca includes organisms with a segmented shell consisting of eight plates?

Accepted Answer

Polyplacophora

Answer

Gastropoda

Answer

Cephalopoda

Answer

Bivalvia

Question 15

Which class in Phylum Mollusca is known for having tentacles and a closed circulatory system?

Accepted Answer

Cephalopoda

Answer

Gastropoda

Answer

Polyplacophora

Answer

Bivalvia

Question 16

Which class in Phylum Mollusca includes organisms with twisted shells?

Accepted Answer

Gastropoda

Answer

Polyplacophora

Answer

Cephalopoda

Answer

Bivalvia

Question 17

Which class in Phylum Mollusca includes organisms with a siphon for jet propulsion?

Accepted Answer

Cephalopoda

Answer

Gastropoda

Answer

Bivalvia

Answer

Polyplacophora

Question 18

Which of the following is a characteristic feature of phylum Echinodermata?

Accepted Answer

Presence of water vascular system

Answer

Segmentation of body

Answer

Bilateral symmetry

Answer

Excretion through malpighian tubules

Question 19

Which of the following is not a class in the phylum Echinodermata?

Accepted Answer

Arachnida

Answer

Asteroidea

Answer

Crinoidea

Answer

Holothuroidea

Question 20

Which of the following is not a member of phylum Echinodermata?

Accepted Answer

Octopus

Answer

Brittle star

Answer

Sea urchin

Answer

Sea cucumber

Question 21

What is the special characteristic of the skin in phylum Echinodermata?

Accepted Answer

It is covered with spines and tube feet

Answer

It is covered with scales

Answer

It secretes mucus for protection

Answer

It is transparent and gelatinous

Question 22

Which of the following is a method of reproduction in phylum Echinodermata?

Accepted Answer

External fertilization

Answer

Parthenogenesis

Answer

Internal fertilization

Answer

Asexual reproduction

Question 23

Which of the following is not a characteristic of phylum Echinodermata?

Accepted Answer

Segmentation of body

Answer

Pentaradial symmetry

Answer

Tube feet for locomotion

Answer

Deuterostome development

Question 24

What is the unique characteristic of the water vascular system in phylum Echinodermata?

Accepted Answer

It functions through hydraulic pressure

Answer

It is responsible for excretion

Answer

It is used for locomotion

Answer

It allows for gaseous exchange

Question 25

Which class of mollusca includes animals with tusk-shaped shells?

Accepted Answer

Scaphopoda

Answer

Gastropoda

Answer

Cephalopoda

Answer

Bivalvia

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