Phylum Porifera MCQs Quiz Online PDF Download

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MCQs on Phylum Porifera Quiz PDF Download

MCQ: Skeleton of sponges are made up of fibrous 'protein' called

  1. Spongin
  2. Fibrin
  3. Fibrinogen
  4. Fibrous protein

A

MCQ: Collar cells of 'sponges' are known as

  1. Choanocytes
  2. Chondrocytes
  3. Pinacocytes
  4. Porocytes

A

MCQ: In sponges, exchange of water and diffusion is carried out by process of

  1. Osmosis
  2. Active transport
  3. Diffusion
  4. Passive transport

C

MCQ: Thin flat cell that covers outer surface of 'sponges' are called

  1. Porocytes
  2. Chondrocytes
  3. Pinacocytes
  4. Leukocytes

C

MCQ: Needle like spikes present on skeleton of 'sponges' are called

  1. Needles
  2. Stinging cells
  3. Defensive cells
  4. Spicules

D