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Class 9 Exam  >  Class 9 Tests  >  Olympiad Test: Diversity in Living Organisms- 4 - Class 9 MCQ

Olympiad Test: Diversity in Living Organisms- 4 - Class 9 MCQ


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10 Questions MCQ Test - Olympiad Test: Diversity in Living Organisms- 4

Olympiad Test: Diversity in Living Organisms- 4 for Class 9 2024 is part of Class 9 preparation. The Olympiad Test: Diversity in Living Organisms- 4 questions and answers have been prepared according to the Class 9 exam syllabus.The Olympiad Test: Diversity in Living Organisms- 4 MCQs are made for Class 9 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Diversity in Living Organisms- 4 below.
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Olympiad Test: Diversity in Living Organisms- 4 - Question 1
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The phylum of sedentary animals is

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The phylum of sedentary animals is Phylum Porifera.
Olympiad Test: Diversity in Living Organisms- 4 - Question 2
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Cnidaria is characterised by

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Cnidaria is a group of sessile or free-swimming animals characterized by primary radial symmetry, often modified as biradial or quad radial, supplied with unique cnidae (stinging capsules). The basic structure is sac-like, acting both as the mouth and the anus, with a single terminal opening.
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Olympiad Test: Diversity in Living Organisms- 4 - Question 3
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An example of phylum echinodermata is

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Phylum Echinodermata belongs to kingdom Animalia, they are triploblastic animals. Examples of echinoderms include sea star, sea urchins etc. Echinoderms are marine animals, they are unisexual and their body have a tough spiny exoskeleton.
Olympiad Test: Diversity in Living Organisms- 4 - Question 4
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Sub–phylum urochordata includes ___________
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Tunicates or Urochordates are the closest relatives of vertebrates. They are marine filter-feeding animals, found at all the latitudes, and can assume a planktonic or benthic lifestyle.
Olympiad Test: Diversity in Living Organisms- 4 - Question 5
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Echinoderms have
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All living echinoderms have a pentamerous (five-part) radial symmetry, an internal skeleton, and a water-vascular system derived from the coelom (central cavity).
Olympiad Test: Diversity in Living Organisms- 4 - Question 6
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Reproductive structure are flowers in
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The flower is the reproductive organ of plants classified as angiosperms. All plants have the means and corresponding structures for reproducing sexually. The basic function of a flower is to produce seeds through sexual reproduction.
Olympiad Test: Diversity in Living Organisms- 4 - Question 7
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Radial symmetry is found in
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Coelenterata consists two phylum Ctenophora (comb jellies) and the Cnidaria (coral animals, true jellies, sea anemones, sea pens, and their allies). They are radially symmetrical, and diploblastic. These animals are acoelomates and they do not possess ahead.
Olympiad Test: Diversity in Living Organisms- 4 - Question 8
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Tapeworm is member of phylum
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Tapeworm, also called cestode, any member of the invertebrate class Cestoda (phylum Platyhelminthes), a group of parasitic flatworms containing about 5,000 species.
Olympiad Test: Diversity in Living Organisms- 4 - Question 9
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Protochordates consist of _________ and ________
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Protochordates are an informal category of animals (i.e.: not a proper taxonomic group), named mainly for convenience to describe invertebrate animals that are closely related to vertebrates. This group is composed of the Phylum Hemichordata and the Subphyla Urochordata and Cephalochordata.
Olympiad Test: Diversity in Living Organisms- 4 - Question 10
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Choanocytes are unique to
Detailed Solution for Olympiad Test: Diversity in Living Organisms- 4 - Question 10
Choanocytes are unique to the phylum Porifera.
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