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प्रश्न
Identify me.
Though I am multicellular, there are no tissues in my body. What is the name of my phylum?
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उत्तर
The name of the phylum is Sponge, Porifera.
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संबंधित प्रश्न
Which special cells are present in the body of sponges (Porifera)?
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 take water in their body?
True (or) False. If false write the correct answer.
Classification helps to know the origin and evolution of an organism
Comment on the aquatic and terrestrial habits of amphibians.
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 |
Fill up the blank spaces appropriately
| Phylum/Class | Excretory Organ | Circulatory Organ | Respiratory Organ |
| Arthropoda | Lungs/Gills/ Tracheal System | ||
| Nephridia | Closed | Skin/parapodia | |
| Metanephridia | Open | ||
| Amphibia | Closed | Lung |
Name
An animal having canal system and spicules
Sponges have special cells present on their body, they are known as ______ cells.
Name the asexual reproductive structures of Sponges.
