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प्रश्न
Draw a neat and labelled diagram.
Jellyfish
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उत्तर
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संबंधित प्रश्न
If you are given a specimen, what are the steps that you would follow to classify it?
Write in brief about progressive changes in animal classification.
Write the correct co-relation:
Annelida: Earthworm :: Platyhelminthes: _______
Label the body organization of human in the following figure:
The largest division of the living world is ______.
In Pheretima locomotion occurs with the help of ______.
Which of the following is a crustacean?
Lateral line sense organs occur in ______.
Compare Schizocoelom with enterocoelom.
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.
What are flame cells?
______ is a fluid-filled body cavity.
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 ______.
Identify the phylum in which adults exhibit radial symmetry and larva exhibit bilateral symmetry.
Differentiate between a diploblastic and a triploblastic animal.
Sort out the animals on the basis of their symmetry (radial or bilateral) coelenterates, ctenophores, annelids, arthropods, and echinoderms.
Complete the paragraph using proper words:
(Asymmetrical, Paramecium, Equal, imaginary, central, insects, rats, bird, three, unequal)
If body of any animal is cut through ______ axis of body, it may or may not produce two equal halves. Depending upon this property, there are different types of animal bodies. In the case of ______ body, there is no any such imaginary axis of the body through which we can get two equal halves. For example Amoeba, ______ some sponges. In radial symmetry type of body, if imaginary cut passes through central axis but any plane of body, it gives two ______ halves. For example Starfish. In case of this animal, there are five different planes passing through ______ axis of body through which we can get two equal halves. In Bilateral symmetry type of body, there is only one such imaginary axis of body through which we can get two equal halves. For example: ______ fishes, frog, birds, human, etc.
