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This exam covers key concepts related to coelenterates, levels of organization in animals, and characteristics of various phyla. Focus on understanding the differences in body structures, reproductive strategies, and sym…
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Mark the coelenterate that exhibits?
Both (1) and (3)
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Which of the following is the first phylum that developed both circular and longitudinal muscles for locomotion?
Annelida
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Consider the diagrams given below and identify the incorrect option.
'C' is diploblastic while 'D' is triploblastic.
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Match the following list of animals with their levels of organization:
a-(ii), b-(iv), c-(iii), d-(i)
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Mark the metagensis.
Obelia
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Which character is not suitable for porifera?
They have external fertilisation and development.
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Body is divided into proboscis, collar and trunk in
Balanoglossus
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Mark the group of phylums in which animals are with radial symmetry and are exclusively marine?
Ctenophores, coelenterates
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In some animals, body is externally and internally divided into segments with serial repetition of some organs. This phenomenon is known as
Metamerism
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Given below are some animals: Ascaris, Wuchereria, Fasciola, Taenia, Hirudinaria, Pheretima, Nereis, Ancylostoma, Pleurobrachia, Ctenoplana. How many of them are dioecious?
Sexes are separate
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Mark the echinoderm
Fertilisation is external
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Which of an animal exhibits?
Amphioxus-Notochord is present throughout life
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