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प्रश्न
What do you mean by the term coelomate animals? Give two examples.
उत्तर
Coelomate animals refer to those animals that possess a true body cavity or coelom. The coelom originates from mesoderm and is lined by epithelial cells of mesodermal origin.
Examples: Animals of phylum Annelida, such as earthworm and leech
Animals of phylum Mollusca, such as octopus and pearl oyster
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संबंधित प्रश्न
Match the following:
| Column I | Column II | ||
| (a) | Operculum | (i) | Ctenophora |
| (b) | Parapodia | (ii) | Mollusca |
| (c) | Scales | (iii) | Porifera |
| (d) | Comb plates | (iv) | Reptilia |
| (e) | Radula | (v) | Annelida |
| (f) | Hairs | (vi) | Cyclostomata and Chondrichthyes |
| (g) | Choanocytes | (vii) | Mammalia |
| (h) | Gill slits | (viii) | Osteichthyes |
Prepare a list of some animals that are found parasitic on human beings.
Write down four characteristics of Ctenophora and give two examples.
Define the term hermaphrodite. Give two examples.
Write down four general characters of phylum Arthropoda. Give two examples.
Give four general characters of phylum Mollusca. Write down two examples.
Name the phylum in which ambulacral system is present. What is its function?
Distinguish between Nonchordata and Chordata.
Name major phyla of Animal kingdom. Write down one character and one example of each of them.
What are pisces? Classify and explain two different kinds of fishes by the help of suitable examples.
Why are scientific names of living beings considered better than their common names?
What are the group names of the following categories of animals?
Animals with three pairs of legs ___________
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Earthworm - Invertebrata, Annelida, Insecta
Write down a flow chart showing subdivisions of kingdom Animalia.
Name any two animals which possess compound eyes.
Fill in the blanks:
Nephridia are the excretory organs of ______.
Choose the correct answer: Mosquito is included in insects because
Choose the correct answer: The animal of class pisces is
Kingdom Animalia is characterized by
