Phylum Porifera and Sponges Quiz:
Ques. A sponges harmful to oyster industry is
(a) Spongilla
(b) Euspongia
(c) Hyalonema
(d) Cliona
Ques. Fresh water sponges are also grouped in the
(a) Calcarea
(b) Heterocoela
(c) Demospongia
(d) Trachinellida
Ques. Totipotent cells of sponges are
(a) Thesocytes
(b) Archaeocytes
(c) Myocytes
(d) Chromocytes
Ques. Sponges are
(a) Diploblastic
(b) Monoblastic
(c) Triploblastic
(d) Tetrablastic
Related: basic concepts of chemical bonding test
Ques. Which of the following is boring sponge
(a) Cliona
(b) Chalina
(c) Euplectella
(d) Hyalonema
Ques. Sycon belongs to a group of animals which are best described as
(a) Unicellular or acellular
(b) Multicellular without any tissue organization
(c) Multicellular with a gastrovascular
(d) Multicellular having tissue organisation, but no body cavity
Ques. Which sponge is given as a gift in Japan
(a) Hyalonema
(b) Euplectella
(c) Tethya
(d) Leucosolenia
Ques. Bath sponges is generally found in
(a) Red Sea
(b) Gulf Mexico
(c) Pacific Islands
(d) Mediterranean sea
Related: morphology of flowering plants online test
Ques. Which of the following are ‘multicellular grade’ organisms
(a) Sponges
(b) Coelenterates
(c) Prokaryotes
(d) Vertebrates
Ques. Carmine particle put above osculum of a sponge would be
(a) Left there
(b) Ingested and digested
(c) Thrown away
(d) Ingested and thrown away by ostia
Ques. What is found in a sponge
(a) Choanocytes
(b) Nematocysts
(c) Amoebocytes
(d) Interstitial cells
Ques. Sponges are porifers because their bodies have
(a) Spicules in skeleton
(b) Several pores
(c) Canal system
(d) All the above
Related: biology Ecosystem test
Ques. The simplest type of canal system in Porifera
(a) Ascon type
(b) Leucon type
(c) Sycon type
(d) Radial type
Ques. What will happen if a sponge is cut into maximum possible pieces
(a) These will die
(b) These will differentiate
(c) Every piece will form a sponge
(d) Some pieces will develop in organs
Ques. Type of spongocoel found in Leucosolenia is
(a) Ascon
(b) Leucon
(c) Sycon
(d) Rhagon
Ques. The most distinctive character of sponge is
(a) Presence of choanocytes
(b) Unicellular
(c) Marine
(d) Asexual reproduction
Related: logarithms problems
Ques. Nutrition is sponges is
(a) Extracellular
(b) Intracellular
(c) First extracellular and then intracellular
(d) First intracellular and then extracellular
Ques. Glass Rope sponge is
(a) Hyalonema
(b) Euplectella
(c) Scypha
(d) Spongilla
Ques. Spongin fibres are secreted by
(a) Choanocytes
(b) Pinacocytes
(c) Amoebocytes
(d) Spongioblasts
Ques. A Chamber common to all types of canal system of sponges is called
(a) Paragastric cavity
(b) Radial chamber
(c) Excurrent canal
(d) Incurrent canal
Related: Anaerobic respiratory mcq questions
Ques. Sponges structure corresponding to mouth of other animals is
(a) Incurrent canal
(b) Ostium
(c) Osculum
(d) Excurrent canal
Ques. Characteristics of sponges is
(a) Diploblastic
(b) Aquatics
(c) Link between living and nonliving
(d) Body has pores
Ques. “Venus flower basket” is the name of the dried skeleton of
(a) Euspongia
(b) Euplectella
(c) Spongilla
(d) Leucosolenia
Ques. Internal asexual propagule of some fresh water sponges is
(a) Gemmule
(b) Planula
(c) Stereoblastula
(d) Amphiblastula
Related: work energy and power mcqs
Ques. Sponges have evolved from
(a) Ciliates
(b) Flagellates
(c) Protozoans
(d) Choanoflagellates
Ques. Sponges capture food particles with the help up
(a) Choanocytes
(b) Pinacocytes
(c) Thesocytes
(d) Trophocytes
Ques. The middle layer in body wall of porifera is
(a) Mesoderm
(b) Mesenchyme
(c) Mesogloea
(d) Mesentery
Ques. Members of phylum porifera are
(a) Exclusively marine animals
(b) Exclusively fresh water animal
(c) Mostly fresh water animals but few are marine animals
(d) Mostly marine animals but few are fresh water animals
Related: chemical bonding and molecular structure worksheet
Ques. Which is universal for sponges
(a) Marine
(b) Calcareous spicules
(c) Radial symmetry
(d) High regenerative power
Ques. Reproductive cells of sponges are formed from
(a) Pinacocytes
(b) Choanocytes
(c) Archaeocytes
(d) Trophocytes
Ques. Sponges are
(a) Sessile
(b) Planktonic
(c) Free-swimming
(d) Pelagic
Ques. In sponges, canal system develops due to
(a) Gastrovascular system
(b) Folding of inner walls
(c) Porous walls
(d) Reproduction
Related: female reproductive system test questions and answers
Ques. Classification of Phylum Porifera is based on
(a) Nutrition
(b) Spicules
(c) Locomotion
(d) Reproduction
Ques. Digestion of food occurs in sponges Leucosolenia in
(a) Spongocoel
(b) Choanocytes followed by amoebocytes
(c) Amoebocytes
(d) Choanocytes
Ques. Incurrent canals are lined by
(a) Choanocytes
(b) Pinacocytes
(c) Porocytes
(d) None of the above
