SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

Sycon belongs to a group of animals which are best described as

a)

Multicellular with a gastrovascular system

b)

Multicellular having tissue organization, but no body cavity

c)

Unicellular or acellular

d)

Multicellular without any tissue organization


Question ID - 292 :-

Sycon belongs to a group of animals which are best described as

a)

Multicellular with a gastrovascular system

b)

Multicellular having tissue organization, but no body cavity

c)

Unicellular or acellular

d)

Multicellular without any tissue organization

1 Answer
5876 Votes
3537

Answer Key : (d) -

(d)

Sycon belongs to phylum-Porifera. The porifers are most primitive group of multicellular animals. They have no tissue grade of organization and represent cell aggregated body plan, hence, included in the sub-kingdom-Parazoa.



Next Question :

In which one of the following the genus name, its two characters and its class/phylum are correctly matched?

Genus                   Two characters     Class/phylum

a)

Salamandra : (i) A tympanum         Amphibia

                                represents ear 

                          (ii) Fertilization

                                is external

b)

Pteropus:        (i) Skin possesses     Mammalia

                                hair

                          (ii) Oviparous

c)

Aurelia:            (i)  Cnidoblast           Coelenterata

                          (ii) Organ level

                            of organization

d)

Ascaris:           (i)  Body                      Annelida

                               segmented 

                          (ii)  Males and

                          females distinct


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