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Questions and Answers
Which of the following is the body cavity formed by the splitting of the mesoderm?
Which of the following is the body cavity formed by the splitting of the mesoderm?
- Coelom (correct)
- Haemocoel
- Pseudocoelom
- Blastocoel
In which phylum is Pseudocoelom found?
In which phylum is Pseudocoelom found?
- Cnidaria
- Platyhelminthes
- Annelids
- Nematodes (correct)
The body of the tapeworm is said to be:
The body of the tapeworm is said to be:
- Unsegmented
- None of these
- Metamerically segmented
- Pseudo segmented (correct)
Which of the following cells are found in Porifera only?
Which of the following cells are found in Porifera only?
Which chapter in the Class 11 Biology NCERT textbook covers the Animal Kingdom?
Which chapter in the Class 11 Biology NCERT textbook covers the Animal Kingdom?
Flashcards
Coelom
Coelom
A body cavity formed by the splitting of the mesoderm.
Pseudocoelom
Pseudocoelom
A 'false' body cavity, not fully lined by mesoderm, found in nematodes.
Pseudo-segmented
Pseudo-segmented
Describes the segmented body plan of tapeworms.
Choanocytes
Choanocytes
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Study Notes
Body Cavities and Animal Classification
- The body cavity formed by the splitting of the mesoderm is known as a coelom.
- Pseudocoelom is found in the phylum Nematoda, which includes roundworms.
Characteristics of Specific Organisms
- The body of the tapeworm consists of a segmented structure called a proglottid.
- Unique cells found only in Porifera (sponges) are called choanocytes, which are involved in feeding and water circulation.
Educational Resources
- The Animal Kingdom is covered in Chapter 5 of the Class 11 Biology NCERT textbook.
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