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प्रश्न
Define and understand the following term:
Order
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उत्तर
- You have seen earlier that categories like species, genus, and families are based on a number of similar characters.
- Generally, order and other higher taxonomic categories are identified based on the aggregates of characters. Order, being a higher category, is the assemblage of families that exhibit a few similar characters.
- The similar characters are fewer in number as compared to the different genera included in a family. Plant families like Convolvulaceae, Solanaceae are included in the order Polymoniales, mainly based on their floral characters.
- The animal order, Carnivora, includes families like Felidae and Canidae.
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संबंधित प्रश्न
Give some examples of taxa at different hierarchical levels.
Define and understand the following term:
Genus
Name one example of the animal which shows the following characteristics:
Fixed animals with a pore-bearing body:
Find the odd one out. Give reason.
sea urchin, starfish, brittle star, jellyfish
Find the odd one out. Give reason.
jellyfish, hydra, sea anemone, butterfly
______ is a cold blooded animal.
Which is not an aquatic animal?
Write true (T) or false (F)
Starting from Class, Species comes before the Genus.
Classify the following organisms based on the absence/presence of true coelom (i.e., acoelomate, pseudocoelomate and coelomate)
Spongilla, Sea anemone, Planaria, Liver fluke Wuchereria, Ascaris, Nereis, Earthworm, Scorpion, Birds, Fishes, Horse.
Paired and jointed legs are seen in phylum ______.
Animals belonging to phylum protozoa reproduce by fission.
Which is not an insect?
In the system of classification, which one of the following is NOT a category?
Identity the incorrect statement:
In the taxonomical hierarchy, the category below the level of order is ______.
Which of the following ‘suffixes’ used for units of classification in plants indicates a taxonomic category of ‘family’?
Match the following and choose the correct option:
| Column I | Column II |
| A. Family | i. Tuberosum |
| B. Kingdom | ii. Polymoniales |
| C. Order | iii. Solanum |
| D. Species | iv. Plantae |
| E. Genus | v. Solanacea |
International Code of Botanical Nomenclature (ICBN) has provided a code for classification of plants. Give hierarchy of units of classification botanists follow while classifying plants and mention different ‘Suffixes’ used for the units.
