-
question_answer1)
Which of the following animals has a tetramorphic colony
A)
Obelia done
clear
B)
Physalia done
clear
C)
Porpita done
clear
D)
Velella done
clear
View Solution play_arrow
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question_answer2)
Which of the following animals is without sexual medusae
A)
Halistemma done
clear
B)
Hydra done
clear
C)
Millepora done
clear
D)
Velella done
clear
View Solution play_arrow
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question_answer3)
Which coelenterate is not polymorphic
A)
Porpita done
clear
B)
Vellela done
clear
C)
Adamsia done
clear
D)
Physalia done
clear
View Solution play_arrow
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question_answer4)
Coelenterates are
A)
Acoelomate done
clear
B)
Coelomate done
clear
C)
Pseudocoelomate done
clear
D)
None of these done
clear
View Solution play_arrow
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question_answer5)
Which of the following do not have polyp form [RPMT 1995]
A)
Hydrozoa done
clear
B)
Scyphozoa done
clear
C)
Anthozoa done
clear
D)
All the above done
clear
View Solution play_arrow
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question_answer6)
Which group is commonly called as 'sea stick'
A)
Arthropoda done
clear
B)
Echinodermata done
clear
C)
Coelenterata done
clear
D)
Porifera done
clear
View Solution play_arrow
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question_answer7)
Which of the following is a polymorphic coelenterate [CPMT 1998]
A)
Physalia done
clear
B)
Fungia done
clear
C)
Hydra done
clear
D)
All of these done
clear
View Solution play_arrow
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question_answer8)
Most appropriate term to designate the life cycle of Obelia is [BHU 2002]
A)
Neoteny done
clear
B)
Metagenesis done
clear
C)
Metamorphosis done
clear
D)
None of these done
clear
View Solution play_arrow
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question_answer9)
Which of the following does not belong to phylum Coelenterata [MP PMT 2002]
A)
Sea pen done
clear
B)
Sea feather done
clear
C)
Sea cucumber done
clear
D)
Sea fan done
clear
View Solution play_arrow
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question_answer10)
Sea anemone belongs to class [CPMT 1998]
A)
Hydrozoa done
clear
B)
Anthozoa done
clear
C)
Scyphozoa done
clear
D)
None of these done
clear
View Solution play_arrow
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question_answer11)
A coelenterate commonly known as 'fresh water polyp' is
A)
Aurelia done
clear
B)
Hydra done
clear
C)
Obelia done
clear
D)
Physalia done
clear
View Solution play_arrow
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question_answer12)
Corals belong to the phylum [MP PMT 1994]
A)
Protozoa done
clear
B)
Porifera done
clear
C)
Cnideria done
clear
D)
Mollusca done
clear
View Solution play_arrow
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question_answer13)
The phylum of comb jelly is [RPMT 1999]
A)
Mollusca done
clear
B)
Echinodermata done
clear
C)
Coelenterata done
clear
D)
Ctenophora done
clear
View Solution play_arrow
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question_answer14)
Hydra is [RPMT 1999; 2002]
A)
Herbivorous done
clear
B)
More developed done
clear
C)
Carnivorous done
clear
D)
Omnivorous done
clear
View Solution play_arrow
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question_answer15)
Which is not applicable to coelenterata [DPMT 1985]
A)
Coelenteron done
clear
B)
Choanocytes done
clear
C)
Nematoblasts done
clear
D)
Radial symmetry done
clear
View Solution play_arrow
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question_answer16)
Jelly fish is placed in which class of coelenterata [RPMT 1995]
A)
Anthozoa done
clear
B)
Scyphozoa done
clear
C)
Hydrozoa done
clear
D)
None of the above done
clear
View Solution play_arrow
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question_answer17)
One of the special characters of coelenterata only is the occurrence of [CBSE PMT 1994; CPMT 1999; BHU 1999; MP PMT 2002]
A)
Hermaphroditism done
clear
B)
Flame cells done
clear
C)
Polymorphism done
clear
D)
Nematocysts done
clear
View Solution play_arrow
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question_answer18)
Organ pipe coral is [CBSE PMT 1988]
A)
Astrea done
clear
B)
Tubipora done
clear
C)
Fungia done
clear
D)
Meandrina done
clear
View Solution play_arrow
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question_answer19)
'Portuguese man of war' is
A)
Soldier of World War-I done
clear
B)
Portuguese soldier done
clear
C)
A sponge done
clear
D)
A polymorphic, colonial coelenterate done
clear
View Solution play_arrow
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question_answer20)
The coral species which is extensively used in jewellery [MP PMT 1993]
A)
Corallium rubram done
clear
B)
Anthocodium indicum done
clear
C)
Gorgonia flabellum done
clear
D)
Fungia species done
clear
View Solution play_arrow
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question_answer21)
Phylum coelenterata has remained at [CPMT 1971]
A)
Cellular level of organisation done
clear
B)
Organ level of organisation done
clear
C)
Tissue level of organisation done
clear
D)
Organ system level of organization done
clear
View Solution play_arrow
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question_answer22)
Main cavity in the body of Hydra is called [AFMC 1982; CPMT 1998]
A)
Gastrovascular cavity done
clear
B)
Schizocoel done
clear
C)
Haemocoel done
clear
D)
Pseudocoelom done
clear
View Solution play_arrow
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question_answer23)
Pneumatophore helps in [RPMT 1999]
A)
Feeding done
clear
B)
Reproduction done
clear
C)
Protection done
clear
D)
Floating done
clear
View Solution play_arrow
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question_answer24)
In coelenterates, characteristic larva is [CPMT 2000]
A)
Planula done
clear
B)
Rhabiditiform done
clear
C)
Oncosphere done
clear
D)
Cysticercus done
clear
View Solution play_arrow
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question_answer25)
A coral island with a central shallow lake is known as [BHU 2001]
A)
Coral reef done
clear
B)
Atoll done
clear
C)
Corallite done
clear
D)
Diatomaceous sheath done
clear
View Solution play_arrow
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question_answer26)
Why does the Ctenophora is a minor phylum [RPMT 2001]
A)
It includes small sized animals done
clear
B)
It includes only few genera done
clear
C)
It does not include animals of economic importance done
clear
D)
It was included earlier in cnidarian done
clear
View Solution play_arrow
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question_answer27)
The larva of hydra is [RPMT 1999]
A)
Planula done
clear
B)
Rhabditoid done
clear
C)
Trochophore done
clear
D)
None of these done
clear
View Solution play_arrow
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question_answer28)
The true statement regarding corals is [AIIMS 1999]
A)
They form branched colonies done
clear
B)
Are solitary or colonial polypoid done
clear
C)
They grow as massive bodies done
clear
D)
All of these done
clear
View Solution play_arrow
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question_answer29)
In coelenterates \[{{O}_{2}}\] is carried to various tissues by
A)
Blood pigment done
clear
B)
Plasma done
clear
C)
Diffuses through integuments done
clear
D)
Tracheal tubes done
clear
View Solution play_arrow
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question_answer30)
Obelia belongs to which class of phylum coelenterata
A)
Hydrozoa done
clear
B)
Anthozoa done
clear
C)
Scyphozoa done
clear
D)
None of the above done
clear
View Solution play_arrow
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question_answer31)
How many ova are formed in the ovary of hydra [RPMT 1999]
A)
2 done
clear
B)
4 done
clear
C)
1 done
clear
D)
3 done
clear
View Solution play_arrow
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question_answer32)
Which one of the following animals is a coelenterate [DPMT 1982; MP PMT 2003]
A)
Sea cow done
clear
B)
Sea horse done
clear
C)
Sea cucumber done
clear
D)
Sea pen done
clear
View Solution play_arrow
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question_answer33)
Hydra receives impulses and stimuli through [CBSE PMT 2000; AIIMS 2002]
A)
Nerve net done
clear
B)
Sensory cells done
clear
C)
Nematocytes done
clear
D)
All of these done
clear
View Solution play_arrow
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question_answer34)
In which class of coelenterata the polyp and medusa both are found in one animal [RPMT 2001]
A)
Hydrozoa done
clear
B)
Scyphozoa done
clear
C)
Anthozoa done
clear
D)
None of them done
clear
View Solution play_arrow
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question_answer35)
Which of the following belongs to anthozoa [CPMT 1999]
A)
Aurelia done
clear
B)
Fungia done
clear
C)
Stercularia done
clear
D)
Dugesia done
clear
View Solution play_arrow
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question_answer36)
Mesogloea is present in the Phylum
A)
Porifera done
clear
B)
Coelenterata done
clear
C)
Annelida done
clear
D)
Arthropoda done
clear
View Solution play_arrow
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question_answer37)
Statocysts are sense organs of [CPMT 1999]
A)
Ascaris done
clear
B)
Paramecium done
clear
C)
Taenia solium done
clear
D)
Obelia medusa done
clear
View Solution play_arrow
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question_answer38)
'Ephyra' is the stage in the life cycle of [AFMC 2000]
A)
Frog done
clear
B)
Obelia done
clear
C)
Aurelia done
clear
D)
Sea anemone done
clear
View Solution play_arrow
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question_answer39)
Hydra has [MH CET 2000]
A)
Endoskeleton done
clear
B)
No endoskeleton done
clear
C)
Sometimes (a) sometimes (b) done
clear
D)
None of these done
clear
View Solution play_arrow
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question_answer40)
Diploblastic acoelomate condition is found in [DPMT 1982]
A)
Planaria done
clear
B)
Ascaris done
clear
C)
Rotifer done
clear
D)
Sea anemone done
clear
View Solution play_arrow
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question_answer41)
Among the following organisms point out a completely non-parasitic form [CBSE PMT 1994]
A)
Sea anemone done
clear
B)
Leech done
clear
C)
Tape worm done
clear
D)
Mosquito done
clear
View Solution play_arrow
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question_answer42)
Which of the following is not found in vertebrates [MP PMT 1998]
A)
Bilateral symmetry done
clear
B)
Gill opening done
clear
C)
Body scales done
clear
D)
Cnidoblasts done
clear
View Solution play_arrow
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question_answer43)
In which phylum nerve cells are found but nerves are absent [RPMT 2001]
A)
Porifera done
clear
B)
Coelenterata done
clear
C)
Platyhelminthes done
clear
D)
Nemathelminthes done
clear
View Solution play_arrow
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question_answer44)
Which of the following has no segmentation [CPMT 1981]
A)
Hydra done
clear
B)
Earthworm done
clear
C)
Cockroach done
clear
D)
Centipede done
clear
View Solution play_arrow
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question_answer45)
Which of the following animals has a nervous system but no brain [CBSE PMT 2002; BVP 2002]
A)
Pheretima done
clear
B)
Hydra done
clear
C)
Amoeba done
clear
D)
Periplaneta done
clear
View Solution play_arrow
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question_answer46)
Penetrant, volvent and glutinant are types of [CPMT 1988]
A)
Nematocysts of Hydra done
clear
B)
Tentacles of Hydra done
clear
C)
Zooids of Obelia done
clear
D)
Tentacles of Obelia done
clear
View Solution play_arrow
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question_answer47)
Mesogloea of Coelenterata contains [CPMT 1985]
A)
Nerve cells done
clear
B)
Sensory cells done
clear
C)
No cells done
clear
D)
Branches of muscle cells done
clear
View Solution play_arrow
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question_answer48)
The gastrovascular cavity of Hydra provides for [CPMT 1984]
A)
Digestion and storage done
clear
B)
Storage and circulation done
clear
C)
Excretion and storage done
clear
D)
Digestion and circulation done
clear
View Solution play_arrow
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question_answer49)
Testes are located in Hydra at [AFMC 1987]
A)
Proximal half done
clear
B)
Distal half done
clear
C)
Middle done
clear
D)
Tentacles done
clear
View Solution play_arrow
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question_answer50)
Zoochlorellae and zooxanthallae present in Hydra are [BHU 1985; CPMT 1988; 90, 94; RPMT 1996]
A)
Symbionts in nutritive cells done
clear
B)
Symbionts in the gut done
clear
C)
Symbionts in cnidoblasts done
clear
D)
Organisms that provide hypnotoxin done
clear
View Solution play_arrow
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question_answer51)
Body cavity of Hydra is called [CPMT 1989, 91; JIPMER 1998]
A)
Enterocoel done
clear
B)
Coelenteron done
clear
C)
Gastrovascular cavity done
clear
D)
Both (b) and (c) done
clear
View Solution play_arrow
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question_answer52)
Precious Red Coral is/Coral used in ornaments is [CPMT 1988, MP PMT 1993]
A)
Astraea done
clear
B)
Fungia done
clear
C)
Corallium done
clear
D)
Tubipora done
clear
View Solution play_arrow
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question_answer53)
Gonads of Obelia occur [MP PMT 1986]
A)
In hydrula stage and indefinite in number done
clear
B)
Bases of tentacles of medusa and 8 in number done
clear
C)
On blastostyles and 8 in number done
clear
D)
On radial canals, oral surface of medusa and four in number done
clear
View Solution play_arrow
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question_answer54)
Gastrodermis of Hydra takes part in digestion of [Bihar MDAT 1988]
A)
Carbohydrates and fats done
clear
B)
Proteins and fats done
clear
C)
Proteins, fats and some carbohydrates done
clear
D)
Proteins and carbohydrates done
clear
View Solution play_arrow
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question_answer55)
The cells absent in gastrodermis of Hydra are [CPMT 1992]
A)
Nutritive cells done
clear
B)
Stinging cells done
clear
C)
Gland cells done
clear
D)
Nerve cells done
clear
View Solution play_arrow
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question_answer56)
Muscles of Hydra are [CPMT 1992]
A)
Smooth done
clear
B)
Skeletal done
clear
C)
Both (a) and (b) done
clear
D)
None of the above done
clear
View Solution play_arrow
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question_answer57)
Budding is a normal mode of asexual reproduction in [CBSE PMT 1993]
A)
Starfish and Hydra done
clear
B)
Hydra and sponges done
clear
C)
Tapeworm and Hydra done
clear
D)
Sponges and starfish done
clear
View Solution play_arrow
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question_answer58)
Which one of the following animals possesses nerve cells but no nerves [CBSE PMT 1993, 2002]
A)
Hydra done
clear
B)
Tapeworm done
clear
C)
Earthworm done
clear
D)
Frog?s tadpole done
clear
View Solution play_arrow
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question_answer59)
Nematocysts take part in [MP PMT 1993]
A)
Locomotion done
clear
B)
Offence and defence done
clear
C)
Food capture done
clear
D)
All the above done
clear
View Solution play_arrow
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question_answer60)
Sea fan belongs to [CPMT 2005]
A)
Echinodermata done
clear
B)
Crinoidea done
clear
C)
Mollusca done
clear
D)
Coelentrata done
clear
View Solution play_arrow
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question_answer61)
Nematocysts are activated by [Bihar MDAT 1994]
A)
Water done
clear
B)
Touch done
clear
C)
Brain done
clear
D)
None of the above done
clear
View Solution play_arrow
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question_answer62)
Portuguese Man of War is [Bihar MDAT 1995; Kerala 2002]
A)
Pennatula done
clear
B)
Coral done
clear
C)
Physalia done
clear
D)
Obelia done
clear
View Solution play_arrow
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question_answer63)
Which pair of cells is present in epidermis of Hydra but not in its endoderm [Bihar MDAT 1995]
A)
Stinging cells and interstitial cells done
clear
B)
Gland cells and germ cells done
clear
C)
Stinging cells and germ cells done
clear
D)
Stinging cells and gland cells done
clear
View Solution play_arrow
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question_answer64)
If Hydra is broken into pieces [RPMT 1995, 96]
A)
Hydra will die done
clear
B)
Every fragment will grow into complete Hydra done
clear
C)
Some fragments will form complete done
clear
D)
Hydra will undergo sexual reproduction done
clear
View Solution play_arrow
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question_answer65)
Testes/gonads are formed in Hydra from [RPMT 1995; Bihar MDAT 2001]
A)
Interstitial cells done
clear
B)
Epithelio-muscular cells done
clear
C)
Nerve cells done
clear
D)
All the above done
clear
View Solution play_arrow
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question_answer66)
Food of Hydra is [RPMT 1995]
A)
Aquatic plants done
clear
B)
Aquatic animals done
clear
C)
Algae and aquatic animals done
clear
D)
Some crustaceans done
clear
View Solution play_arrow
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question_answer67)
A number of buds have developed on Hydra [APMEE 1996; Pb. PMT 1999]
A)
Oldest bud is towards oral region done
clear
B)
Oldest bud is towards aboral region done
clear
C)
Both (a) and (b) done
clear
D)
There is no order done
clear
View Solution play_arrow
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question_answer68)
Mesogloca of Hydra is made of [RPMT 1996]
A)
Mucopolysaccharides done
clear
B)
Protein done
clear
C)
Protein and fat done
clear
D)
Reticulate tissue done
clear
View Solution play_arrow
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question_answer69)
Characteristic feature of coelenterata is [CPMT 1996]
A)
All are marine done
clear
B)
Presence of tentacles around mouth done
clear
C)
Polyp done
clear
D)
Gastrovascular cavity done
clear
View Solution play_arrow
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question_answer70)
Hydra is famous for a type of reproduction [CPMT 1996]
A)
Budding done
clear
B)
Gametogenesis done
clear
C)
Position of sex organs done
clear
D)
Both (b) and (c) done
clear
View Solution play_arrow
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question_answer71)
Hydra cut into two pieces will result in [CPMT 1996]
A)
Growth without mouth and basal disc done
clear
B)
Growth of mouth and disc according to their position in the parent done
clear
C)
Growth of mouth and disc at any end done
clear
D)
No regeneration is possible done
clear
View Solution play_arrow
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question_answer72)
Common name of Fungia is [Bihar MDAT 1996]
A)
Mushroom Coral done
clear
B)
Red Coral done
clear
C)
Brain Coral done
clear
D)
Organ Pipe Coral done
clear
View Solution play_arrow
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question_answer73)
In Hydra new nematocysts develop from [BHU 1996]
A)
Cnidocils done
clear
B)
Glandular cells done
clear
C)
Germ cells done
clear
D)
Interstitial cells done
clear
View Solution play_arrow
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question_answer74)
Polymorphism occurs in [BHU 1997]
A)
Anthozoa done
clear
B)
Scyphozoa done
clear
C)
Rhizopoda done
clear
D)
Hydrozoa done
clear
View Solution play_arrow
-
question_answer75)
Medusa of Obelia is [AIIMS 1999]
A)
Carnivorous done
clear
B)
Herbivorous done
clear
C)
Detritus feeder done
clear
D)
Omnivorous done
clear
View Solution play_arrow
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question_answer76)
Sense organs of Aurelia are [AIIMS 1999]
A)
Tentilla done
clear
B)
Tentaculocyst done
clear
C)
Nematocyst done
clear
D)
Otolith done
clear
View Solution play_arrow
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question_answer77)
Germ cells of Hydra are derived from [BHU 2000]
A)
Ectoderm done
clear
B)
Endoderm done
clear
C)
Mesoderm done
clear
D)
Mesogloea done
clear
View Solution play_arrow
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question_answer78)
Hydra is [AMU 2000]
A)
Coral done
clear
B)
Worm done
clear
C)
Polyp done
clear
D)
Medusa done
clear
View Solution play_arrow
-
question_answer79)
In ectoderm of Hydra, bulk of cells are [AMU 2000]
A)
Musculo-epithelial done
clear
B)
Interstitial done
clear
C)
Nematoblasts done
clear
D)
Germ cells done
clear
View Solution play_arrow
-
question_answer80)
In Hydra, cnidoblasts employed during looping are [APMEE 2000]
A)
Volvents done
clear
B)
Stenoteles done
clear
C)
Atrichous isorhizas done
clear
D)
Desmonemes done
clear
View Solution play_arrow
-
question_answer81)
Animal showing thigmotaxis is [CPMT 2000]
A)
Ascaris done
clear
B)
Taenia done
clear
C)
Fungia done
clear
D)
Hydra done
clear
View Solution play_arrow
-
question_answer82)
Hydra reproduces through [RPMT 2000]
A)
Parthenogenesis done
clear
B)
Encystment done
clear
C)
Polyembryony done
clear
D)
Sexually and asexually done
clear
View Solution play_arrow
-
question_answer83)
Which is correct about nematocyst in Hydra [AFMC 2001]
A)
It is re-used done
clear
B)
Ejection is conditioned reflex done
clear
C)
Ejection occurs in response to contact and pierces the prey done
clear
D)
Prevents coming in contact with other Hydra done
clear
View Solution play_arrow
-
question_answer84)
Hydra will regenerate from a fragment, if it contain [AFMC 2001]
A)
Tentacles done
clear
B)
Epidermis and gastrodermis done
clear
C)
Tentacles, epidermis and gastrodermis done
clear
D)
Epidermis, hypodermis and gastrodermis done
clear
View Solution play_arrow
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question_answer85)
Bilateral symmetry does not occur in [Pb. PMT 2001]
A)
Frog done
clear
B)
Octopus done
clear
C)
Mammal done
clear
D)
Obelia done
clear
View Solution play_arrow
-
question_answer86)
Ctenophores have similarities with members [RPMT 2002]
A)
Porifera done
clear
B)
Coelenterata done
clear
C)
Arthropoda done
clear
D)
Annelida done
clear
View Solution play_arrow
-
question_answer87)
Larva like stage of Hydra is [RPMT 2002]
A)
Hydrula done
clear
B)
Hydratuba done
clear
C)
Scyphula done
clear
D)
Planula done
clear
View Solution play_arrow
-
question_answer88)
Hydra recognises its prey by [BVP 2001; MH CET 2003]
A)
Nematocyst done
clear
B)
Chemical stimulus done
clear
C)
Smell done
clear
D)
Sensitivity done
clear
View Solution play_arrow
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question_answer89)
Which is wrongly matched [Orissa JEE 2004]
A)
Euglinoidae\[\to \]Myonemes done
clear
B)
Ciliophora Axonemes done
clear
C)
Annelida\[\to \]Notopodia done
clear
D)
Cnidaria\[\to \]Parapodia done
clear
View Solution play_arrow
-
question_answer90)
Which of the following is not found in Hydra [DPMT 2004]
A)
Epithelio-muscular cells done
clear
B)
Cnidocyte done
clear
C)
Choanocyte done
clear
D)
Nerve cells done
clear
View Solution play_arrow
-
question_answer91)
Which of the following symmetry is found in adult sea-anemone [CPMT 2004; BHU 1992]
A)
Radial done
clear
B)
Biradial done
clear
C)
Bilateral done
clear
D)
Spherical done
clear
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question_answer92)
Which of the following during respiration obtain water dissolved oxygen by diffusion through their body surface [HP PMT 2005]
A)
Cnidarians done
clear
B)
Fishes done
clear
C)
Amphibians done
clear
D)
Reptiles done
clear
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question_answer93)
Budding method of asexual reproduction is found in [HP PMT 2005]
A)
Amoeba done
clear
B)
Paramecium done
clear
C)
Hydra done
clear
D)
Plasmodium done
clear
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question_answer94)
Sea anemone belongs to phylum [BCECE 2005]
A)
Protozoa done
clear
B)
Porifera done
clear
C)
Coelenterata done
clear
D)
Echinodermata done
clear
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question_answer95)
Symmetry in Cnidaria is [CBSE PMT 2005]
A)
Radial done
clear
B)
Bilateral done
clear
C)
Pentamerous done
clear
D)
Spherical done
clear
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question_answer96)
Hydra is [CPMT 1993; RPMT 1999, 2000; Pb. PMT 2000]
A)
Triploblastic, radial symmetry and acoelomate done
clear
B)
Triploblastic, radial symmetry and coelomate done
clear
C)
Diploblastic, radial symmetry and acoelomate done
clear
D)
Diploblastic, radial symmetry and coelomate done
clear
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question_answer97)
A mature Hydra usually bears [RPMT 1985; CPMT 2002]
A)
One testis and several ovaries done
clear
B)
One testis and one ovary done
clear
C)
Several testes and one ovary done
clear
D)
Several testes and several ovaries done
clear
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