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प्रश्न
Which of the following is a crustacean?
पर्याय
Prawn
Snail
Sea anemone
Hydra
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उत्तर
Prawn
संबंधित प्रश्न
Distinguish between intracellular and extracellular digestion.
What is the difference between direct and indirect development?
What are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom?
Write in brief about progressive changes in animal classification.
Complete the following chart.
| Body cavity | Germ Layer | Phylum |
| Absent | ______ | Porifera |
| Absent | Triploblastic | ______ |
| Pseudocoelom | ______ | Aschelminthes |
| Present | ______ | Arthropoda |
The largest division of the living world is ______.
In Pheretima locomotion occurs with the help of ______.
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 |
Choose the term that does not belong in the following group and explain why it does not belong?
Notochord, cephalisation, dorsal nerve cord and radial symmetry.
______ was a greek philosopher who classified animals.
Which organism is called Friends of farmers? Why?
Examine the figures of diploblastic (i) and triploblastic (ii) organization in animals given below and identify the labelled parts A to D.
In some animal groups, the body is found divided into compartments with serial repitition of at least some organs. This characteristic feature is called ______.
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.
Animal with bilateral symmetry in ______.
