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प्रश्न
Why are scientific names of living beings considered better than their common names?
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उत्तर
In science, people from different countries with different languages have to read about each others research. So, it was necessary to eliminate any possible confusion created by local names. Scientific names are based on certain rules which are universal. They are unique and can be used to identify an organism anywhere around the world. That is why scientific names of living beings are considered better than their common names.
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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 |
Write one difference between the following pair:
Invertebrates and Vertebrates
Write down four characters of Osteichtyes and give two examples.
Distinguish between polyp and medusa.
Explain general characteristics of phylum Platyhelminthes and Nematoda. Give two examples of each.
The animals (Kingdom Animalia) are mainly grouped under two categories
Name three animals (belonging to different classes) which breathe by means of lungs but have no external ears (pinnae).
Write down a flow chart showing subdivisions of kingdom Animalia.
Fill in the blanks:
Nephridia are the excretory organs of ______.
Choose the correct answer: Jelly-fish is classified in the phylum
