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प्रश्न
Answer the question by choosing correct option.
Which special cells are present in the body of sponges (Porifera)?
विकल्प
Collar cells
Cnidoblasts
Germ cells
Ectodermal cells
उत्तर
Collar cells are present in the body of sponges (Porifera).
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संबंधित प्रश्न
Identify me.
Though I am multicellular, there are no tissues in my body. What is the name of my phylum?
Spongilla bears numerous pores on their body. What are those pores called?
According to the course of animal evolution, which phylum is at the lowest level?
Through which hole the animals in this phylum give out water from their body?
Through which hole the animals in this phylum take water in their body?
Write a short note.
Collar cells
True (or) False. If false write the correct answer.
Classification helps to know the origin and evolution of an organism
Identify a member of porifera
A true body cavity is located within ______.
Tissue organization can be seen in phylum Porifera.
Name the locomotory organs seen in phylum protozoa.
Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect developments are the characteristics of phylum
Given below are types of cells present in some animals. Which of the following cells can differentiate to perform different functions?
Match the column A with column B and choose the correct option
| Column I | Column II |
| A. Porifera | i. Canal system |
| B. Aschelminthes | ii. Water-vascular system |
| C. Annelida | iii. Muscular pharynx |
| D. Arthropoda | iv. Jointed appendages |
| E. Echinodermata | v. Metameres |
Sponges have special cells present on their body, they are known as ______ cells.
Name the asexual reproductive structures of Sponges.
