Home
Current Affairs January 2024

What is the correct answer?

4

In which of the Echinoderm, the arms, spines and pedicellaria are absent ?

A. Sea cucumber

B. Sea lily

C. Sea urchin

D. Sea star

Correct Answer :

A. Sea cucumber


Related Questions

What is the correct answer?

4

The larva that occurs in the development of Sea urchin is

A. pluteus

B. echinopluteus

C. bipinnaria

D. auricularia

What is the correct answer?

4

The larva of holothuroide is

A. torneria

B. onchosphere

C. trochophore

D. bipinnaria

What is the correct answer?

4

The star fish zygote develops into a

A. bipinnaria

B. glochidium

C. auralia

D. echinus

What is the correct answer?

4

Star fishes are

A. herbivorous

B. omnivorous

C. carnivorous

D. none of these

What is the correct answer?

4

Animals with radial symmetry in adults and bilateral symmetry in larvae are

A. coelenterates

B. polychaetes

C. echinodermates

D. hemichordates

What is the correct answer?

4

The Echinoderms are marine animals with

A. an exoskeleton

B. a spiny skin

C. bilateral symmetry

D. gastrovascular cavity

What is the correct answer?

4

Pentamerous echinoderms with five slender flexible arms sharply marked off from the central disc are

A. synapta and antedon

B. astrias and asterina

C. ophiothrix and ophioderma

D. all of these

What is the correct answer?

4

In which of the Echinoderm, the arms, spines and pedicellaria are absent ?

A. Sea cucumber

B. Sea lily

C. Sea urchin

D. Sea star

What is the correct answer?

4

Pedicellariae are modified

A. spines

B. tube feet

C. integumentary structures

D. none of these

What is the correct answer?

4

In star fish the locomotary organs are

A. tube feet

B. lobopodia

C. cephalopodia

D. rhizopodia

What is the correct answer?

4

Which of the following is a living fossil ?

A. Holothuria (sea cucumber)

B. Echinus (sea urchin)

C. Echittocardium (sand dollar)

D. Antedon (feather star)

What is the correct answer?

4

Brittle star belongs to the class

A. Asteroidea

B. Crinoidea

C. Ophiuroidea

D. Holothuroidea

What is the correct answer?

4

Water vascular system is found in

A. Star fish

B. Sea fan

C. Ship worm

D. None of these

What is the correct answer?

4

A very well developed brain is present in

A. Starfish

B. Jellyfish

C. Cuttlefish

D. Fresh water mussel

What is the correct answer?

4

Aristotle's lantern is

A. A fresh water echinoderm

B. An ancient Greak ship lantern shaped structure connected with balancing system of seal lily

C. A masticatory apparatus connected with digestive system in sea urchin

D. A seive plate connected with ambulacral system in sea star

What is the correct answer?

4

Sea cucumber belongs to class

A. Crinoidea

B. Asteroidea

C. Holothuroidea

D. Ophiuroidea

What is the correct answer?

4

Class Holothuroidea of phylum Echinodermat a includes

A. Sea stars

B. Cake urchins

C. Sea lilies

D. Sea cucumbers

What is the correct answer?

4

Aristotle's Lantern is present in

A. Sea cucumber

B. Brittle star

C. Feather star

D. Both (b) and (c)

What is the correct answer?

4

The respiratory organs in a sea star are

A. ctenidia

B. dermal branchiae

C. book lungs

D. trachea

What is the correct answer?

4

One of these is a stalked echinoderm

A. Antedon

B. Echinocardium

C. Ophiothrix

D. Pentaceros

What is the correct answer?

4

In Sea urchin, Aristotle's lantern is a part of

A. mouth apparatus

B. exoskeleton

C. skeletal system

D. bioluminscent organ

What is the correct answer?

4

Main difference between starfishes and brittle stars is in the

A. number of arms

B. structure of the ambulacral groove

C. tube feet

D. pedicellariae

What is the correct answer?

4

Which one of the following Echinoder-mate is found in fresh water ?

A. Ophiothrix

B. Pentaceros

C. Antedon

D. None of these

What is the correct answer?

4

In star fish which of the following has dual function of locomotion and respiration

A. Axial sinus

B. Dermal papillae

C. Tube feet

D. Tiedamann bodies

What is the correct answer?

4

Madriporite or seive plate is found in

A. Sea hares

B. Brittle stars

C. Star fishes

D. Sea fish

What is the correct answer?

4

Which is not true of Echinoderms?

A. Schizocoelic coelom

B. Water vascular system

C. Spines in the body mass

D. Marine habitat

What is the correct answer?

4

Which of the following systems is found in Echinoderms ?

A. Nervous system with a large brain

B. Respiratory system

C. System of internal seleton

D. Excretory system

What is the correct answer?

4

Spines of the body of Sea urchin are

A. movable

B. immovable

C. prehensile

D. all of these

What is the correct answer?

4

Bipinnaria larva is found in the development of a

A. Sea-star

B. Star fish

C. Sea-cucumber

D. Sea lily

What is the correct answer?

4

The animal that moves with tube feet is

A. Snail

B. Slug

C. Nereis

D. Sea-urchin