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प्रश्न
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 |
पर्याय
p – (ii), q – (i), r – (iii), s – (iv)
p – (iii), q – (iv), r – (ii), s – (i)
p – (ii), q – (iv), r – (i), s – (iii)
p – (i), q – (ii), r – (iii), s – (iv)
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उत्तर
p – (iii), q – (iv), r – (ii), s – (i)
संबंधित प्रश्न
If you are given a specimen, what are the steps that you would follow to classify it?
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: _______
The following characteristics are essential for classification.
The largest division of the living world is ______.
Species is the ______ unit of classification.
Which of the following animals has a true coelom?
In Pheretima locomotion occurs with the help of ______.
Lateral line sense organs occur in ______.
Compare Schizocoelom with enterocoelom.
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?
______ is a fluid-filled body cavity.
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 ______.
Identify the phylum in which adults exhibit radial symmetry and larva exhibit bilateral symmetry.
Which group of chordates possess sucking and circular mouth without jaws?
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?
