Advertisements
Advertisements
प्रश्न
Compare Schizocoelom with enterocoelom.
Advertisements
उत्तर
1. Schizocoelom
- The coelom which is formed by splitting of Mesoderm is called schizocoelom.
- It is found in lower invertebrates like annelids, arthropods and molluscs.
2. Enterocoelom:
- The coelom which is formed from the Mesodermal pouches of archenteron is called enteroceolem.
- It is found in echinoderms, hemichordates and chordates.
संबंधित प्रश्न
Distinguish between intracellular and extracellular digestion.
What is the difference between direct and indirect development?
Write the correct co-relation:
Annelida: Earthworm :: Platyhelminthes: _______
Label the body organization of human in the following figure:

Species is the ______ unit of classification.
Which of the following animals has a true coelom?
Which of the following is a crustacean?
Lateral line sense organs occur in ______.
Match the following columns and select the correct option.
| Column – I | Column – II | ||
| (p) | Pila | (i) | Devil fish |
| (q) | Dentalium | (ii) | Chiton |
| (r) | Chaetopleura | (iii) | Apple snail |
| (s) | Octopus | (iv) | Tusk shell |
Identify the structure that the archenteron becomes in a developing animal.
Observe the animal below and answer the following questions.

- Identify the animal.
- What type of symmetry does this animal exhibit?
- Is this animal Cephalized?
- How many germ layers does this animal have?
- How many openings does this animal’s digestive system have?
- Does this animal have neurons?
What are flame cells?
______ is a fluid-filled body cavity.
Which organism is called Friends of farmers? Why?
Match the following list of animals with their level of organisation.
| Division of Labour | Animal |
| Column I | Column II |
| A. Organ level | i. Pheretima |
| B. Cellular aggregate level | ii. Fasciola |
| C. Tissue level | ii. Spongilla |
| D. Organ system level | iv. Obelia |
Choose the correct match showing division of labour with animal example.
Body cavity is the cavity present between body wall and gut wall. In some animals the body cavity is not lined by mesoderm. Such animals are called ______.
Provide appropriate technical term in the space provided.
Blood-filled cavity in arthropods ______.
Differentiate between open circulatory system and closed circulatory system
What is the relationship between germinal layers and the formation of body cavity in case of coelomate, acoelomates and pseudocoelomates?
