B Jellyfish or Aurelia belongs to any planktonic marine member of the class scyphozoa (phylum Cnidaria). Jellyfish are not real fish. Their stings may cause skin rashes, muscles cramps, or even death.
AIPMT-1989
Animal kingdom
261653
Which one of the following animals possesses nerve cells but no nerves?
1 Hydra
2 Tapeworm
3 Earthworm
4 Frog's tadpole
Explanation:
A Hydra possesses nerve cells but no nerve because it lacks a brain. It is a member of the phylum coelenterata.
AIPMT-1993
Animal kingdom
261654
One of the special characters of coelenterata only is the occurrence of
1 polymorphism
2 flame cells
3 hermaphroditism
4 nematocysts
Explanation:
D Special type of cells called nematocytes are present in only coelenterata, these cells are used for anchorage, defence and for the capture of pray.
AIPMT-1994
Animal kingdom
261655
Symmetry in Cnidaria is
1 radial
2 bilateral
3 pentamerous
4 spherical
Explanation:
A Symmetry in Cnidaria is radial. Coelenterata (cnidaria) are aquatic, sessile or free swimming radial symmetrical animal. They are diploblastic and acoelomate organism that do not have a true body cavity and mesoglea is present instead of mesoderm.
B Jellyfish or Aurelia belongs to any planktonic marine member of the class scyphozoa (phylum Cnidaria). Jellyfish are not real fish. Their stings may cause skin rashes, muscles cramps, or even death.
AIPMT-1989
Animal kingdom
261653
Which one of the following animals possesses nerve cells but no nerves?
1 Hydra
2 Tapeworm
3 Earthworm
4 Frog's tadpole
Explanation:
A Hydra possesses nerve cells but no nerve because it lacks a brain. It is a member of the phylum coelenterata.
AIPMT-1993
Animal kingdom
261654
One of the special characters of coelenterata only is the occurrence of
1 polymorphism
2 flame cells
3 hermaphroditism
4 nematocysts
Explanation:
D Special type of cells called nematocytes are present in only coelenterata, these cells are used for anchorage, defence and for the capture of pray.
AIPMT-1994
Animal kingdom
261655
Symmetry in Cnidaria is
1 radial
2 bilateral
3 pentamerous
4 spherical
Explanation:
A Symmetry in Cnidaria is radial. Coelenterata (cnidaria) are aquatic, sessile or free swimming radial symmetrical animal. They are diploblastic and acoelomate organism that do not have a true body cavity and mesoglea is present instead of mesoderm.
B Jellyfish or Aurelia belongs to any planktonic marine member of the class scyphozoa (phylum Cnidaria). Jellyfish are not real fish. Their stings may cause skin rashes, muscles cramps, or even death.
AIPMT-1989
Animal kingdom
261653
Which one of the following animals possesses nerve cells but no nerves?
1 Hydra
2 Tapeworm
3 Earthworm
4 Frog's tadpole
Explanation:
A Hydra possesses nerve cells but no nerve because it lacks a brain. It is a member of the phylum coelenterata.
AIPMT-1993
Animal kingdom
261654
One of the special characters of coelenterata only is the occurrence of
1 polymorphism
2 flame cells
3 hermaphroditism
4 nematocysts
Explanation:
D Special type of cells called nematocytes are present in only coelenterata, these cells are used for anchorage, defence and for the capture of pray.
AIPMT-1994
Animal kingdom
261655
Symmetry in Cnidaria is
1 radial
2 bilateral
3 pentamerous
4 spherical
Explanation:
A Symmetry in Cnidaria is radial. Coelenterata (cnidaria) are aquatic, sessile or free swimming radial symmetrical animal. They are diploblastic and acoelomate organism that do not have a true body cavity and mesoglea is present instead of mesoderm.
B Jellyfish or Aurelia belongs to any planktonic marine member of the class scyphozoa (phylum Cnidaria). Jellyfish are not real fish. Their stings may cause skin rashes, muscles cramps, or even death.
AIPMT-1989
Animal kingdom
261653
Which one of the following animals possesses nerve cells but no nerves?
1 Hydra
2 Tapeworm
3 Earthworm
4 Frog's tadpole
Explanation:
A Hydra possesses nerve cells but no nerve because it lacks a brain. It is a member of the phylum coelenterata.
AIPMT-1993
Animal kingdom
261654
One of the special characters of coelenterata only is the occurrence of
1 polymorphism
2 flame cells
3 hermaphroditism
4 nematocysts
Explanation:
D Special type of cells called nematocytes are present in only coelenterata, these cells are used for anchorage, defence and for the capture of pray.
AIPMT-1994
Animal kingdom
261655
Symmetry in Cnidaria is
1 radial
2 bilateral
3 pentamerous
4 spherical
Explanation:
A Symmetry in Cnidaria is radial. Coelenterata (cnidaria) are aquatic, sessile or free swimming radial symmetrical animal. They are diploblastic and acoelomate organism that do not have a true body cavity and mesoglea is present instead of mesoderm.
