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प्रश्न
Which of the following animals has a true coelom?
पर्याय
Ascaris
Pheretima
Sycon
Taenia solium
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उत्तर
Pheretima
संबंधित प्रश्न
How useful is the study of the nature of body cavity and coelom in the classification of animals?
Distinguish between intracellular and extracellular digestion.
Write in brief about progressive changes in animal classification.
What is the exact difference between grades of organization and symmetry? Explain with examples.
Write the correct co-relation:
Annelida: Earthworm :: Platyhelminthes: _______
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 |
Compare Schizocoelom with enterocoelom.
Identify the structure that the archenteron becomes in a developing animal.
______ is a fluid-filled body cavity.
Which organism is called Friends of farmers? Why?
In which of the following the notochord is present only in embryonic stages?
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.
Which group of chordates possess sucking and circular mouth without jaws?
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.
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.
