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Test: Nonchordates Acoelomates - Class 9 MCQ


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5 Questions MCQ Test Biology for Class 9 - Test: Nonchordates Acoelomates

Test: Nonchordates Acoelomates for Class 9 2024 is part of Biology for Class 9 preparation. The Test: Nonchordates Acoelomates questions and answers have been prepared according to the Class 9 exam syllabus.The Test: Nonchordates Acoelomates MCQs are made for Class 9 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Nonchordates Acoelomates below.
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Test: Nonchordates Acoelomates - Question 1

Which of the following organism is not triploblastic?

Detailed Solution for Test: Nonchordates Acoelomates - Question 1
Because jellyfish is in phylum cnidarians &porifera,cnidarians are diploblastic.
Test: Nonchordates Acoelomates - Question 2

Which of the following is not a feature of flatworms?

Detailed Solution for Test: Nonchordates Acoelomates - Question 2

Flatworms are acoelomate, triploblastic animals. They lack circulatory and respiratory systems, and have a rudimentary excretory system. Cestodes or tapeworms, infect the digestive systems of primary vertebrate hosts. Nematodes are pseudocoelomate members of the clade ecdysozoa. 

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Test: Nonchordates Acoelomates - Question 3

Canal system is present in phylum:

Test: Nonchordates Acoelomates - Question 4

Which of the following phyla posesses radial symmetry?

Detailed Solution for Test: Nonchordates Acoelomates - Question 4

Coelenterata consists of two phylum ctenophora (comb jellies) and the cnidaria ( coral animals, true jellies, sea anemones, sea pens, and their allies). They are radially symmetrical, diploblastic. These animals are acoelomates and they do not possess a head.

Test: Nonchordates Acoelomates - Question 5

Which of the following is a diploblastic organism?

Detailed Solution for Test: Nonchordates Acoelomates - Question 5
Sea anemones are a group of marine, predatory animals of the order Actiniaria. They are named after the anemone, a terrestrial flowering plant, because of the colourful appearance of many. Sea anemones are classified in the phylum Cnidaria, class Anthozoa, subclass Hexacorallia. As cnidarians, sea anemones are related to corals, jellyfish, tube-dwelling anemones, and Hydra. Unlike jellyfish, sea anemones do not have a medusa stage in their life cycle.
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