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Free download in PDF Porifera Short Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
41
Which Is A Collared Cell
[A]
Silicoblasts
[B]
Scleroblasts
[C]
Silicoblasts
[D]
Spongioblasts
42
Ingestion In Sponge Is By
[A]
Choanocytes
[B]
Trophocytes
[C]
Pinacocytes
[D]
Archaeocytes
43
Sponges Show
[A]
Protoplasmic Level Of Organisation
[B]
Tissue Level Of Organisation
[C]
Cellular Level Of Organisation
[D]
Do Not Require Them
Answer: Cellular Level Of Organisation
44
Euplectella Belongs To Class
[A]
Hexactinellida
[B]
Homocoela-Calcarea
[C]
Heterocoela-Calcarea
[D]
Demospongiae
45
Pinacocytes Are
[A]
Mesodermal
[B]
Endodermal
[C]
Ectodermal
[D]
Interstitial Cells
46
Common Larva Of A Sponge Is
[A]
Parenchymula
[B]
Tadpole
[C]
Planula
[D]
Placula
47
Sponges Are
[A]
Sessile
[B]
Pelagic
[C]
Plankton
[D]
Nekton
48
Gemmules Take Part In
[A]
Asexual Reproduction
[B]
Sexual Reproduction
[C]
Development Of Water Current In Sponges
[D]
Digestion
Answer: Asexual Reproduction
49
Euplectella Is A Symbol Of Union Till Death Because
[A]
A Young Shrimp Pair Gets Entrapped In The Sponge
[B]
Its Basal Root Tuft And Upper Part Symbolise The Two Sexes
[C]
It Contains A Sieve Plate In The Osculum Region
[D]
It Symbolises The Goddess Of Marriage
Answer: A Young Shrimp Pair Gets Entrapped In The Sponge
50
Sponges Are Characterised By
[A]
Presence Of Tissues But Absence Of Organs
[B]
Absence Of Organs And Diseases
[C]
Presence Of Both Tissues And Organs But Absence Of Organ System
[D]
Absence Of Cells
Answer: Absence Of Organs And Diseases
51
Sponges Lack
[A]
Appendages
[B]
Body Plan
[C]
Cellular Differentiation
[D]
Sexual Reproduction
52
Pinacoderm Is
[A]
Outer Body Layer Of Sponges
[B]
Name Of Body Wall Of Sponges
[C]
Inner Body Layer
[D]
Middle Layer Of Body Wall
Answer: Outer Body Layer Of Sponges
53
Wandering Cells Of Sponges Are Called
[A]
Amoebocytes
[B]
Pinacocytes
[C]
Porocytes
[D]
Choanocytes
54
In Sponges, Various Types Of Body Cells Obtain Nourishment From
[A]
Trophocytes
[B]
Choanocytes
[C]
Thesocytes
[D]
Both B And C
55
Sponges Are
[A]
Sedentary
[B]
Planktonic
[C]
Nectonic
[D]
Neuston
56
In Sponges The Germ Cells Are
[A]
Uniflagellate Sperm And Nonflagellate Egg
[B]
Flagellate
[C]
Multiflagellate Sperm And Nonflagellate Egg
[D]
Nonflagellate
Answer: Uniflagellate Sperm And Nonflagellate Egg
57
Demospongiae Have
[A]
Tetraxon Spicules And Spongin Fibres
[B]
Monoaxon Spicules
[C]
Triaxon Spicules
[D]
All The Above
Answer: Monoaxon Spicules
58
Animal Of Phylum Porifera Are Characterised By
[A]
Canal System
[B]
Diploblastic Organisation
[C]
Coelom
[D]
None of the above
59
Most Of The Sponges Are
[A]
Colonial
[B]
Solitary
[C]
Cold Water Inhabitants
[D]
Fresh Water Forms
60
Bath Sponge Belongs To The Class
[A]
Desmospongia
[B]
Porifera
[C]
Hexactinellida
[D]
Calcarea
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