Home
Current Affairs January 2024

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)

Correct Answer :

B. Brittle star


Related Questions

What is the correct answer?

4

Animals which exhibit radial, pen-tamerous symmetry in adults, and bilateral symmetry amongst larvae, are

A. sea-hares

B. sea-stars

C. devil fish

D. sea fans

What is the correct answer?

4

The animal that moves with tube feet is

A. Snail

B. Slug

C. Nereis

D. Sea-urchin

What is the correct answer?

4

The common name of Antedon is

A. Sea star

B. sea urchin

C. Sea cucumber

D. Feather star

What is the correct answer?

4

Water vascular system helps in

A. locomotion

B. respiration

C. feeding

D. all of these

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

In star fish the locomotary organs are

A. tube feet

B. lobopodia

C. cephalopodia

D. rhizopodia

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

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

The star fish's pyloric caeca are organs of

A. excretion

B. absorption

C. reproduction

D. respiration

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

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

Star fishes are

A. herbivorous

B. omnivorous

C. carnivorous

D. none of these

What is the correct answer?

4

The larvae of sea stars are

A. redia and cercaria

B. bipinnaria and brachiolaria

C. trochophore and aurecularia

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

One of these is a stalked echinoderm

A. Antedon

B. Echinocardium

C. Ophiothrix

D. Pentaceros

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

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 larva of holothuroide is

A. torneria

B. onchosphere

C. trochophore

D. bipinnaria

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

Ambulacral system or water vascular system is typically found in

A. coelenterates

B. marine arthropods

C. echinodermates

D. sponges

What is the correct answer?

4

The locomotor organs of Echinoderms is called

A. parapodia

B. pseudopodia

C. setae

D. tube feet

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

Sea cucumber belongs to the class

A. Crinoidea

B. Asteroidea

C. Holothuroidea

D. Ophiuroidea

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

The star fish zygote develops into a

A. bipinnaria

B. glochidium

C. auralia

D. echinus

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

The generic name of 'feather star' is

A. Asterias

B. Antedon

C. Echinus

D. Ophiothrix

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

The terrestrial species of Echinodermata is *

A. (a) Starfish

B. (b) Brittle star

C. (c) Sea lily

D. (d) None of these