Quiz: Test Your Knowledge About Phylum Bryozoa or Ectoprocta

Questions : 10 | Total Attempts: 747 | Recent Updated: 25-Apr-2020
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Bryozoa are mostly marine and 50 species inhabit the water. They found in colonies except for Monobryozoon ambulans and they have bilateral symmetry. The body has more than to cell layers with tissues and organs. The body of bryozoa poses a U shaped gut with the anus and their anus is outside the ring of their tentacles. They feed on fine particles in the water and they have no gaseous exchange organ and no circulatory system. They have no excretory system also. The nervous system of bryozoa consists of the central ganglion with a circum oesophageal ring. So, take this quiz and increase your knowledge about phylum Bryozoa.

Questions Excerpt


1. Which of the following phylum have a higher number of species?

A. Bryozoa

B. Phoronida

C. Chaetognatha

D. None of these

2. Electra pilosa belongs to which phylum?

A. Arthropoda

B. Mollusca

C. Bryozoa

D. All of these

3. In bryozoa, asexual reproduction takes place by...

A. Spore formation

B. Budding

C. Fission

D. All of these

4. Which one of the following is highly sensitive to temperature more than 25°C?

A. Forrella

B. Selenaria

C. Electra pilosa

D. Spider

5. Which one of the following is symbiotic with poly-worm like Lanice?

A. Electra

B. Selenaria

C. Forrella

D. Hypophorella

6. Bryozoans have specific ........ gut shape you due to burrowing nature.

A. S-shaped

B. U-shaped

C. Z-shaped

D. L-shaped

7. Most of the brave zone are colonial except...

A. Monobryozoon

B. Electra

C. Selenaria

D. Forrella

8. Which one of the following is sensitive to strong chemicals?

A. Electra

B. Selenaria maculata

C. Forrella

D. Phoronida

9. Which one has lophophores?

A. Mollusca

B. Arthropoda

C. Echinodermata

D. Bryozoa

10. How many species of bryozoa are known?

A. 3000

B. 4000

C. 5000

D. 6000

 

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