MCQ ON PHYLUM ECHINODERMATA class 11 for NEET

MCQ ON PHYLUM ECHINODERMATA class 11 for NEET | MCQ ON NEET Biology class 11th 2022 | MCQ Questions for class 11 Biology chapter – 4 PHYLUM ECHINODERMATA with Answer | Check the below NCERT MCQ question for class 11 Biology chapter 4 based on PHYLUM ECHINODERMATA with Answers.

MCQ Questions for class 11 Biology with Answers were prepared based on the latest pattern.We have provided class 11 Biology MCQs questions on PHYLUM ECHINODERMATA with Answers to help students understand the concept very well.

MCQ on Phylum ECHINODERMATA is useful for NEET / CSIR / UGC / CBSE / ICSE / AIIMS / EXAM / AFMC EXAM / STATE LEVEL MEDICAL EXAM 2022-23

Introduction:-
Phylum Echinodermata includes the starfish , brittle star , sand dollars , sea urchin. sea cucumber and sea lilies.
The body has various shape star like, cylindrical , melon like , disc like . It is u segmented . The symmetry is radial in the adults and bilateral in the larvae.They are triploblastic animals.They have organ system level of organisations.The body lacks head in all echinoderms. Peculiar tube feet podia are developed for locomotion.

MCQ ON PHYLUM ECHINODERMATA class 11 for NEET

1.These animals have an endoskeleton of calcerous ossicles and hence , the name

(a) arthropoda
(b) Cnidaria
(c) annelida
(d) echinodermata

Ans (d) echinodermata

2. Echinodermata are marine with

(a) cell level organisation
(b) tissue level organisation
(c) organ level organisation
(d) organ – system level of organisations

Ans. (d) organ – system level of organisations

3. The important features of echinodermata are

(a) bilaterally symmetrical
(b) triploblastic
(c) coelomate animals
(d) all the above

Ans. (d) all the above

4. The most distinctive features of echinoderms is the presence of

(a) chitinous exoskeleton
(b) calcareous shell
(c) camal system
(d) water vascular system

Ans.(d) water vascular system

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5.The water vascular system of echinodermata helps in

(a) locomotion
(b) capture
(c) transport of food and respiration.
(d) all the above

Ans.(c) all the above

6.The sea Urchin is

(a) echinus
(b) asterias
(c) antedon
(d) cucumaria

Ans.(a) echinus

7. Sea lily is

(a) antedon
(b) ophiura
(c) Asteria
(d) echinus

Ans.(a) antedon

8. Ophiura is

(a) echinus
(b) brittle star
(c) sea cucumber
(d) asterias

Ans.(b) brittle star

9. Sea cucumber is

(a) cucumaria
(b) ophiura
(c) echinus
(d) meriradula

Ans. (a) cucumaria

10. Excretory system is absent in

(a) mollusca
(b) annelids
(c) echinodermata
(d) arthropoda

Ans. (c) echinodermata

11. The digestive system is complete with mouth on lower ventral side and anus on the upper dorsal side.Identify the phylum

(a) mollusca
(b) annelids
(c) arthropoda
(d) echinodermata

Ans.(d) echinodermata

12. Respiration in echinodermata is done by

(a) canal system
(b) water vascular system
(c) gills
(d) gill book

Ans.(b) water vascular system

13. Characteristic tube feet help in

(a) locomotion
(b) nutrition
(c) respiration
(d) excretion

Ans.(a) locomotion

14. The degenarate features of echinoderms is

(a) lack of head
(b) reduced circulatory system
(c) absence of excretory system
(d) all the above

Ans.(d) all the above

15. The echinodermata resemble chordates , particularly vertebrate , in having

(a) radial and indeterminate cleavage of frog
(b) mesodermal endoskeleton
(c) deuterostomous mouth
(d) all the above

Ans. (d) all the above

16. Asteroidea , ophiuroidea , echinoidea , holothuroidea and crinoidea are classes of ?

(a) annelids
(b) echinodermata
(c) mollusca
(d) aschelminthes

Ans.(b) echinodermata

17. Larva of starfishes

(a) bipinnaria
(b) ophiopluteus
(c) auricularia
(d) crinoidea

Ans.(a) bipinnaria

18. The larva of sea archins is

(a) echinopluteus
(b) auricularia
(c) crinoidea
(d) plasmodium

And.(a) echinopluteus

19. Respiration occurs by gills called dermal branchiae or papilae in

(a) brittle star
(b) starfishes
(c) sea urchin
(d) sea cucumber

Ans. (b) star fishes

20. The brittle star is

(a) ophiothrix
(b) mytilus
(c) pinctada
(d) echinus

Ans.(a) ophiothrix