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Animal Kingdom: Invertebrates

Classification, anatomy, and characteristics of protozoa and invertebrate animals including sponges, coelenterates, flatworms, roundworms, and related groups

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Protozoans with no means of locomotion belong to __________.

  1. ciliates
  2. mastigophora
  3. sarcodina
  4. sporozoa
  5. None of these
Question 2 Multiple Choice (Single Answer)

The relatively soft skeleton of bath sponges are made of ___________.

  1. calcareous spicules
  2. siliceous spicules
  3. sponging fibres
  4. tissues
  5. None of these
Question 3 Multiple Choice (Single Answer)

The unique characheristic feature of coelenterates is the presence of __________.

  1. gastro vascular cavity
  2. tentacles
  3. cnidoblasts
  4. mesiglea
  5. None of these
Question 4 Multiple Choice (Single Answer)

The nematocysts found in coelenterates are specialised structures for __________.

  1. secretion
  2. offence and defense
  3. intercellular digestion
  4. offence defence and secretion
  5. None of these
Question 5 Multiple Choice (Single Answer)

The coelenterates are the first group of animals to have true ____________.

  1. Mesoderm
  2. Ectoderm
  3. Nerve cells
  4. Gastrodermis
  5. None of these
Question 6 Multiple Choice (Single Answer)

Worms of the phylum platyhelminthes are triploblastic but do not posses ____________.

  1. alimentary canal
  2. excretory system
  3. nervous system
  4. body cavity
  5. None of these
Question 7 Multiple Choice (Single Answer)

Metameres are the outer segments of the ___________.

  1. cuticle
  2. setae
  3. mesoderm
  4. alimentary canal
  5. None of these
Question 8 Multiple Choice (Single Answer)

Round worms of the class nematoda are called dioecious because __________.

  1. sexes are non separate
  2. sexes are separate
  3. show sexual dimorphism
  4. show metagenesis
  5. None of these
Question 9 Multiple Choice (Single Answer)

The glandular structure known as the clitellum is associated with ________.

  1. digestion
  2. excretion
  3. reproduction
  4. locomotion
  5. None of these
Question 10 Multiple Choice (Single Answer)

The sponge skeleton is composed of structures called the __________.

  1. oseulum
  2. ostea
  3. gemmules
  4. spicules
  5. None of these
Question 11 Multiple Choice (Single Answer)

In plasmodium, the male and female gametocytes are produced by _____________.

  1. trophozoites
  2. merozoites
  3. reticulocytes
  4. erythrocytes
  5. None of these
Question 12 Multiple Choice (Single Answer)

The defensive organelles of paramecium are called _____________.

  1. trichocysts
  2. tentaculocysts
  3. pellicle
  4. cilia
  5. None of these
Question 13 Multiple Choice (Single Answer)

Flukes are flat worms constituting the class __________

  1. cestoda
  2. trematoda
  3. platyhelminthes
  4. planaria
  5. None of these
Question 14 Multiple Choice (Single Answer)

Flame cells are ciliated structures mainly concerned with ___________.

  1. digestion and absorption
  2. respiration
  3. excretion
  4. blood circulation
  5. All of these
Question 15 Multiple Choice (Single Answer)

Multicellular animals which show active movements through their environments are characterised by the presence of ____________.

  1. radial symmetry
  2. bilateral symmetry
  3. true body cavities
  4. biradial symmetry
  5. None of these
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