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प्रश्न
Label the body organization of human in the following figure:
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उत्तर
संबंधित प्रश्न
Distinguish between intracellular and extracellular digestion.
What is the exact difference between grades of organization and symmetry? Explain with examples.
Complete the following chart.
| Body cavity | Germ Layer | Phylum |
| Absent | .......... | Porifera |
| Absent | Triploblastic | .......... |
| Pseudocoelom | .......... | Aschelminthes |
| Present | .......... | Arthropoda |
Write the correct co-relation:
Annelida: Earthworm :: Platyhelminthes: _______
Draw a neat and labelled diagram.
Jellyfish
The symmetry exhibited in cnidarians is ______.
Which of the following have the highest number of species in nature?
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.
What are flame cells?
______ was a greek philosopher who classified animals.
Examine the figures of diploblastic (i) and triploblastic (ii) organization in animals given below and identify the labelled parts A to D.
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.
Provide appropriate technical term in the space provided.
Blood-filled cavity in arthropods ______.
Differentiate between open circulatory system and closed circulatory system
Sort out the animals on the basis of their symmetry (radial or bilateral) coelenterates, ctenophores, annelids, arthropods, and echinoderms.
What is the relationship between germinal layers and the formation of body cavity in case of coelomate, acoelomates and pseudocoelomates?
