MCQ on Porifera: Biology is one of the most important and vital sections in NEET. It includes theories, descriptions, discoveries, diagrams, definitions, explanation of differences and relations. Most of the concepts covered in the NEET syllabus are from the NCERT syllabus of Class 11 & 12. Other related sources make up for the rest of the syllabus.

In this post we are providing you MCQ on Porifera, which will be beneficial for you in upcoming NEET, AIIMS, JIPMER, PGIMER, CBSE Board, ICSE Board, Class 12th, 11th.

MCQ on Porifera

Q1. Poriferan evolution from protozoans is evidenced by animals such as _______.
a) Paramecium
b) Euglena
c) Chlamydomonas
d) Volvox

Q2. Collared, flagellated cells that cover large parts of the inner chambers of sponges, helping water circulation to continue are _______.
a) Porocytes
b) Choanocytes
c) Amoebocytes
d) Pinacocytes

Q3. Which of the followig about sponges is true.
a) one mouth, innumerable exits
b) innumerable mouths, one exit
c) large spacious stomach
d) spicules are composed of chitin

Q4. _______ are ‘multicellular grade’ entity.
a) Vertebrates
b) Sponges
c) Prokaryotes
d) Coelenterates

Q5. _______ is a flagellated larva of Leucosolenia.
a) Maggot
b) Kedia
c) Planula
d) Parenchymula

Q6. ______ is the name of the dried skeleton of ‘Venus flower basket’.
a) Euplectella
b) Euspongia
c) Leucosolenia
d) Spongila

Q7. The chamber common to all the types of canal system of sponges is _______.
a) Excurrent canal
b) Radial chamber
c) Incurrent canal
d) Paragastric cavity

Q8. Animals lacking excretory, respiratory and circulatory structures are _______.
a) Sponges
b) Tapeworms
c) Liver fluke
d) Threadworms

Q9. Members of phylum porifera are _______.
a) Mostly freshwater animals but few are marine entities
b) Mostly marine animals but few are fresh water entities
c) Exclusively freshwater animal
d) Exclusively marine animals

Q10. The group of animals to which Sycon belongs, can be best described as _______.
a) Multicellular having tissue organization, but not a body cavity
b) Unicellular or acellular
c) Multicellular with a gastrovascular
d) Multicellular without any tissue organization

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By Team Learning Mantras