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Which of the following is a fresh water sponge?

A. Sycon

B. Euspongia

C. Spongilla

D. Pleurobrachia

Correct Answer :

C. Spongilla


Sponges are pore bearing animals belong to phylum porifera. They have a water transport or canal system. Spongilla is a fresh-water sponge.

Related Questions

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__________ is responsible for maintaining the current of water in sponge.

A. Osculum

B. Porocytes

C. Spongocoel

D. Choanocytes

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Identify the figures A, B and C and choose the correct option. 
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A. A - Male Ascaris, B - Hirudinaria (leech), C- Nereis

B. A - Female Ascaris, B - Nereis, C-Hirudinaria (leech)

C. A - Female Ascaris B- Hirudinaria (leech), C - Nereis

D. A - Male Ascaris, B - Nereis, C- Hirudinaria (leech)

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4

Which of the following statement is incorrect?

A. Platyhelminthes has incomplete digestive system.

B. In coelenterates, the arrangement of cells is more complex.

C. Nereis is monoecious but earthworms and leeches are dioecious.

D. Simple and compound eyes are present in the animals of those phylum whose over two-thirds of all named species on earth are arthropods.

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4

Which of the following statement(s) is/are correct regarding phylum coelenterata?
(i) They are aquatic, mostly marine, sessile or freeswimming, radially symmetrical animals.
(ii) They have a central gastro-vascular cavity with a single opening called hypostome.
(iii) Digestion is extracellular and intracellular.
(iv) Examples are Sycon, Spongilla and Euspongia.

A. (i) and (ii)

B. (i) and (iv)

C. (i), (ii) and (iii)

D. All of these

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4

In amphibians, heart is ________ chambered.

A. two

B. three

C. four

D. none of these

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Which of the following phylum is being described by the given statements?
(i) They are bilaterally symmetrical,triploblastic, segmented and coelomate animals.
(ii) The body consists of head, thorax, abdomen and have jointed appendages.
(iii) Circulatory system is of open type.
(iv) Excretion takes place through malphigian tubules.

A. Arthropoda

B. Annelida

C. Mollusca

D. Echinodermata

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4

Which of the following characteristic is probably most responsible for the great diversification of insects on land ?

A. Segmentation

B. Antennae

C. Bilateral symmetry

D. Exoskeleton

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4

Refer the given figures A, B, C and D and identify the option which shows their correct name. 
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A. A - Pleurobrachia, B - Cnidoblast, C - Aurelia, D - Adamsia

B. A - Aurelia, B - Adamsia, C - Cnidoblast, D - Pleurobrachia

C. A - Cnidoblast, B - Pleurobrachia, C - Adamsia, D - Aurelia

D. A - Adamsia, B - Aurelia, C - Pleurobrachia, D - Cnidoblast

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4

Which of the following phylum is being described by the given statements?
(i) These are primitive multicellular animals and have cellular level of organization.
(ii) Digestion is intracellular.
(iii) They have a water transport or canal system.
(iv) They reproduce asexually by fragmentation and sexually by formation of gametes.

A. Porifera

B. Ctenophora

C. Coelenterata

D. Platyhelminthes

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4

Which of the following is not the common fundamental feature for animal classification?

A. Germinal layers.

B. Pathway of water transport.

C. Pattern of organization of cells.

D. Serial repetition of the segments.

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4

Which of the following feature is not correct regarding the figure given below? 
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A. It is an aquatic form.

B. Circulatory system is of open type.

C. It possesses parapodia for swimming.

D. Neural system consists of paired ganglia connected by lateral nerves to a double ventral nerve cord.

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4

Match the organisms given in column-I with their common name given in column-II and choose the correct option.
Column -IColumn -II
(Organisms)(Comman name)
A. PennatulaI. Sea-lily
B. AntedonII. Sea- pen
C. EchinusIII. Sea-urchin
D. CucumariaIV. Sea - cucumber

A. A II; C III; D I; E IV

B. A II; C IV; D I; E III

C. A II; C I; D III; E IV

D. A II; C I; D III; E IV

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Which of the following animals are bilaterally symmetrical?
akimg20

A. 1 & 2

B. 2 & 4

C. 3 & 4

D. 1 & 3

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Which of the following statements (i – v) are incorrect ?

  1. Circulatory system in arthropods is of closed type.

  2. Parapodia in annelids helps in swimming.

  3. Phylum mollusca is the second largest animal phylum.

  4. Aschelminthes are dioecious.

A. (i) only

B. (iii) only

C. (i) and (iii)

D. (iii) and (iv)

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4

Which one of the following features is common in silverfish, scorpion, dragonfly and prawn?

A. Three pairs of legs and segmented body.

B. Chitinous cuticle and two pairs of antennae.

C. Jointed appendages and chitinous exoskeleton.

D. Cephalothorax and tracheae.

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4

Which of the following is a chordate feature and not shared by the non-chordates ?

A. Metamerism

B. Axial organization

C. Bilateral symmetry

D. Pharyngeal gill slits

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4

In amphibians, respiration occurs through

A. gills

B. lungs

C. skin

D. all of these

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4

Refer the figures A, B and C and choose the correct option which shows animals that regulate buoyancy with the help of air bladder. 
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A. A and B

B. A and C

C. B and C

D. All of the above.

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Aquatic annelids (like Nereis) possess lateral appendages called ______________, which help in swimming.

A. visceral hump

B. parapodia

C. radula

D. spicules

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Which one of the following categories of animals is correctly described with no single exception in it?

A. In chondrichthyes notochord is persistent throughout life.

B. All mammals are viviparous and possess diaphragm for breathing.

C. All sponges are marine.

D. All reptiles possess scales, have a three chambered heart and are cold blooded (poikilothermal).

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4

Match the features given in column I with their examples given in column II and choose the correct match from the option given below.
Column-IColumn-II
(Features)(Examples)
A. Pseudocoelomatesa. Hydra, Adamsia
B. Diploblasticb. Ctenoplana, Aurelia
C. Cellular level ofc. Ascaris, Wuchereria organization
D. Radial symmetryd. Sycon, Spongilla
E. Metamerisme. Pheretima, Neries

A. A - e, B - b, C - d, D - c, E - a

B. A - c, B - a, C - d, D - b, E - e

C. A - b, B - a, C - c, D - e, E - d

D. A - c, B - b, C - d, D - a, E - e

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4

Meandrina (brain coral) belongs to phylum

A. porifera

B. coelenterata

C. ctenophora

D. platyhelminthes

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4

Match the phylum given in column - I with the special features present in them given in column - II and choose the correct option.
Column -IColumn- II
(Phylum)(Special features present)
A. PoriferaI. Mammary glands
B. MolluscaII. Cloaca
C. CtenophoraIII. Choanocytes
D. AmphibiaIV. Radula
E. MammaliaV. Comb plates

A. A III; B IV; C V; D II; E I

B. A IV; B III; C V; D II; E I

C. A III; B IV; C II; D V; E I

D. A III; B V; C IV; D II; E I

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4

Examine the figures A, B and C. In which one of the four options all the items A, B and C are correctly identified ? 
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A. A - Sycon, B - Euspongia, C - Spongilla

B. A - Euspongia, B - Spongilla, C - Sycon

C. A - Spongilla, B - Sycon, C - Euspongia

D. A - Euspongia, B - Sycon, C - Spongilla

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4

Which of the following possesses poison sting and belongs to class chondrichthyes?

A. Labeo

B. Myxine

C. Clarias

D. Trygon

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4

Which of the following is an incorrect statement regarding flatworms ?

A. They are acoelomates.

B. They are bilaterally symmetrical.

C. They lack a digestive system.

D. They have a circulatory system.

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Tracheae of cockroach and mammal are similar in having

A. paired nature.

B. non-collapsible walls.

C. ciliated inner lining.

D. origin from head.

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Which of the following pairs of animals are similar to each other pertaining to the feature stated against them?

A. Pteropus and Ornithorhyncus - Viviparity

B. Garden lizard and crocodile - Three chambered heart

C. Ascaris and Ancylostoma - Metameric segmentation

D. Sea horse and flying fish - Cold blooded (poikilothermal)

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Hemichordates have now been placed with the nonchordates, close to echinoderms, because true

A. notochord is absent.

B. pharyngeal gill-slits are lacking.

C. dorsal nerve cord is absent.

D. heart is lacking.

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4

The combination of a true coelom and repeating body segmentation allows the annelids (unlike the anatomically simpler worms) to do which of the following?

A. Attain complex body shapes and thus locomote more precisely.

B. Move through loose marine sediments.

C. Be hermaphroditic.

D. Inject paralytic poisons into their prey.