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Biology NEET - XI: Chapter 4: Animal Kingdom Part 6

Biology25 CardsCreated about 2 months ago

This deck covers key concepts from Chapter 4 of the Biology NEET syllabus, focusing on the Animal Kingdom. It includes questions and answers about sponges, coelenterates, and their characteristics.

WHat type of water canal system is found in limy sponges?

Ascenoid/syconoid type
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Key Terms

Term
Definition
WHat type of water canal system is found in limy sponges?
Ascenoid/syconoid type
Which is the simplest sponge?
Leucosolenia
Leucosolenia is symmetrical. True/False.
True
Which water canal system is found in Hexactinella?
Syconoid
Which sponge is also known as glass rope sponge?
Hyalonema
How many silica spicules do glass sponges have?
Six

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TermDefinition
WHat type of water canal system is found in limy sponges?
Ascenoid/syconoid type
Which is the simplest sponge?
Leucosolenia
Leucosolenia is symmetrical. True/False.
True
Which water canal system is found in Hexactinella?
Syconoid
Which sponge is also known as glass rope sponge?
Hyalonema
How many silica spicules do glass sponges have?
Six
Which class of porifera has spongin spicules?
Demospongia
Sycon belongs to which class of porifera?
Calcareous sponges
Rhagon larva is found in which sponge (class)
Spongilla (demispongia)
Which sponge is also known as dead man's fingers?
Chalina
Leucon type of water canal system is found in which class of porifera?
Demospongia
Which coelenterates are colonial?
Obelia and physalia
How many layers does the body wall of coelenterates have?
Two- epidermis ad gastrodermis (endodermal)
Which toxin is present in nematocytes?
Hypnotoxin
In which phylum did nerve cells frist originate?
Coelenterata
In which phylum did statocysts originate?
Coelenterata
What is the larval stage of jellyfish (Aurelia) called?
Ephyra
What is the larval stage of Obelia called?
Planula
In which class of coelenterata polyp and medusa stage are both observed?
Hydrozoa
In which class of coelenterata only polyp stages are observed?
Anthozoa
In which class of coelenterata only medusae stage is observed?
Scyphozoa
What is the characteristic of mesoglea of hydrozoa?
No cells and fibres in mesoglea
Which coelenterate is called sea fur?
Obelia
Corals are members of which class?
Anthozoa
Sea anemone belongs to which class of coelenterata?
Anthozoa