Porifera and Cnidaria
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Porifera is triploblastic or diploblastic?
Why Is Lakshadweep Known As Coral Islands.
Differentiate between radial and bilateral symmetry.
Pseudo-coelom is found in
Taenia
Ascaris
Hydra
all of these
- Coelenterata
- Platyhelminthes
- Nematoda
- Annelida
The subkingdom Parazoa includes
Porifera
Cnidaria
- Both Porifera and Cnidaria
Platyhelminthes
- Sea anemone
- Echinus
- Bathsponge
- Sycon
Which of the following organism is not triploblastic?
Worms
Arthropods
Molluscs
Jellyfish
- Coelenterata
- Mollusca
- Arthropoda
- Echinodermata
How do Cnidaria feed?
- Nematoda
- Platyhelminthes
- Porifera
- Coelenterata
- ringworms
- flatworms
- sponges
- The organism is asymmetrical.
- The organism is radially symmetrical.
- The organism is bilaterally symmetrical.
- The organism is bi-radially symmetrical.
Haemocoel is found in____________.
Question 27
Real organs are absent in
(a) Mollusca
(b) Coelenterata
(c) Arthropoda
(d) Echinodermata
- True
- False
a) Non-motile
b) Attached to some solid support
c) Has canal system
d) Mainly found in marine habitats
On the basis of these characteristics, in which phylum can you place X.
[1 Mark]
- Porifera
- Platyhelminthes
- Echinodermata
- Annelida
- True
- False
Give a note on ctenophora.
Which of the following animal does not belong to phylum Echinodermata?
Antedon
Echinus
Chiton
Holothuria
Question 27
Real organs are absent in
(a) Mollusca
(b) Coelenterata
(c) Arthropoda
(d) Echinodermata
- Unicellular
- Multicellular
- Motile
- Non-motile
- Terrestrial
- Marine
- Pores in body
- Asymmetric
- Prokaryotic
pick out the phylum that includes the diploblastic
annelida , coelenterate , arthropoda , Echinodermata ,
- False
- True
- Coelenterata
- Arthropoda
- Echinodermata
- Mollusca
- The organism is asymmetrical.
- The organism is radially symmetrical.
- The organism is bilaterally symmetrical.
- None of the above
- They are non-motile and attached to some solid support.
- Covered with hard outer skeleton or exoskeleton.
- They have holes or pores all over the body for circulation.
- Well differentiated body plan.
Sponges have a cell aggregate body plan with numerous pores all over their body. To which phylum do they belong?
Porifera
Coelenterata
Platyhelminthes
Nematoda