Entry Test MCQ :: Kingdom Animalia ♦

Entry Test MCQ :: Kingdom Animalia

21.	In acoelomates gut is _____ in origin.
	A. Ectodermal B. Endodermal C. Mesodermal D. None of these

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22.	Sperms are _____ in origin.
	A. Ectodermal B. Mesodermal C. Endodermal D. None of these

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23.	A sponge of Antarctica which is more than a meter tall is
	A. Scolymastra joubini B. Euplectella C. Spongilla D. Leucoselenia

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24.	Venus flower basket is also known as
	A. Sycon B. Euplectella C. Leucoselenia D. Spongilla

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25.	Inner layers of the sponges are made up of
	A. Pinacocytes B. Choanoderm C. Choanoytes D. Pinacoderm

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26.	Porifera range in size from
	A. Few millimeter wide to more than one meter tall B. Few centimeter wide to more than one meter tall C. Few decimeter wide to more than one meter tall D. One meter wide to more than millimeter tall.

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27.	The internal buds are known as
	A. Spicules B. Choanocytes C. Gemmules D. None of these

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28.	The sponges in which sperms develop first are included in the category of
	A. Peritandrous B. Pertandrous C. Protendrous D. Protandrous

29.	80% of the food of sponges consists of
	A. Detrital organic particles B. Zooplankton and small animals C. Phytoplanktons D. all of these

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30.	The skeleton of the sponges is in the form of variously shaped needle like structures called
	A. Stripules B. Spicules C. Brails D. Spines

31.	The skeleton of sponges is made up of
	A. Calcium B. Silica C. Both of these D. None of these

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32.	Sperms released in water are carried to the mesenchyme in sponges by
	A. Amoeboid cell B. Stipules C. Spicules D. Spines

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33.	Gut in pseudocoelomates is made from
	A. Ectoderm B. Mesoderm C. Endoderm D. All of these

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34.	In sponges fertilization takes place in
	A. Ectoderm B. Mesenchyme C. Endoderm D. Uterus

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35.	The single main opening of the sponge cavity is
	A. Osculum B. Ostia C. Spongocoel D. None of these

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36.	Enteron in coelenterates acts as
	A. Digestive cavity B. Body cavity C. Transporting cavity D. all of these

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37.	Which of the following are motile zooids in cnidarians?
	A. Polyps B. Medusae C. Both of these D. None of these

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38.	Exoskeoeton of coelenterates terates is made up to
	A. Calcium B. Silica C. Chitin D. Both A & B

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39.	All of the following coelenterates show alternation of generation except
	A. Hydra B. Obelia C. Aurelia D. None of these

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40.	All of the following are tue for platyhelminthes except
	A. Flatwarms B. Triploblastic C. Coelomate D. Bilateral symmetry