Six septa or six mesenteries are characteristic of
Aurelia
Sea anemone
Obelia
Hydra
Correct Answer :
B. Sea anemone
Related Questions
The small green alga that lives inside Hydra is called
Zoochlorella
Chlamydomonas
Euglena
None of these
The mesoglea in Hydra is traversed by
sensory cells
nerve cells
interstitial cells
all of these
"Portuguese Man of War" is the common name for
Aurelia
Metridium
Physalia
Tubipora
Green Hydra is
Hydra vulgaris
Chlorohydra viridisma
Hydra oligaetis
None of these
Nutritionally Hydra is
saprozoic
herbivorous
insectivorous
carnivorous
In Hydra, the gastrodermis is composed of
musculo-epithelial cells
musculo-nutritive cells
sensory cells
cniboblasts
Division of labour on morphological basis is well exemplified by
Hydra
Obelia
Monkey
Elephant
The testes of hydra are located
below the ovaries
below the tentacles
further down the tentacles to occupy central position of the body
anywhere on the body between tentacles and adhesive disc
Body wall of coelentrates is described as
diploblastic
integument
multicellular
triploblastic
Among coelenterates medusoid individuals are absent in members of the class
hydrozoa
scyphozoa
anthozoa
all the three
The scientific name of organ pipe coral is
Tubipora
Astrangia
Meandra
Aeropora
Coelenteron in Hydra serves the purpose of
digestion and circulation
digestion and storage
excretion and digestion
circulation and storage
Which of the following tissue is absent in Hydra ?
Connective tissue
Epithelial tissue
Muscular tissue
Nervous tissue
Six septa or six mesenteries are characteristic of
Aurelia
Sea anemone
Obelia
Hydra
If a Hydra is cut into two pieces, it is noted that
both parts die
both parts make up the loss and form two new individuals
both parts live independently as they are
none of these
In Hydra, the nematocysts are abundant on
upper part
middle part
tentacles
lower part
Cindom is a
battery of nematocysts
group of nematocysts
armed thread
none of these
The nematocysts develop from
musculo-epithelial cells
interstitial cells
digestive cells
nerve cell
The first invertebrates to develop a true nervous system are
sponges
coelenterates
annelids
arthropods
Rhopalia are the sense organs in medusa belonging to the class
hydrozoa
scyphozoa
actinozoa
all of these
Which one is found in Hydra
Metabolism
Metamerism
Melting
Metamorphosis
A hydranth is
Blastostyle of Obelia
Gonad of Hydra
Medusa of Obelia
Polyp of Obelia
Brain coral is
Fungia
Hydra
Meandria
Tubipora
Musculo-glandular cells are found in hydra
on the tentacles
on the hypostome
on the basal disc
in the gastrodermis
The number of tentacles in Hydra is
24
610
1040
4050
A coelentrate, commonly known as fresh water polyp is
Hydra
Obelia
Physalia
Acerelia
The flagella of food-absorbing cells in hydra aid in
stirring up the digestive fluid in the digestive cavity
engulfing food particles
engulfing semi-digested particles inside food- absorbing cells
none of these
Tentaculocysts in Obelia are meant for
locomotion
balancing
swimming
reproduction
Polymorphism is found in
Hydra
Aleyonium
Aurelia
Physalia
Strobilization is the characteristic feature of
Aurelia
Hydra
Metridium
Physalia