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प्रश्न
Define and understand the following term:
Phylum
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उत्तर
Classes comprising animals like fish, amphibians, reptiles, birds, and mammals constitute the next higher category called phylum. All these, based on common features like the presence of the notochord and dorsal hollow neural system, are included in the phylum Chordata. In the case of plants, classes with a few similar characters are assigned to a higher category called division.
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संबंधित प्रश्न
Name one example of the animal which shows the following characteristics:
Fixed animals with a pore-bearing body:
Name one example of the animal which shows the following characteristics:
Star-shaped body:
Find the odd one out. Give reason.
jellyfish, hydra, sea anemone, butterfly
______ is a cold blooded animal.
Which among the following have scales?
- Amphibians
- Pisces
- Reptiles
- Mammals
Which is not an aquatic animal?
Write true (T) or false (F)
Starting from Class, Species comes before the Genus.
You are provided with the seeds of gram, wheat, rice, pumpkin, maize, and pea. Classify them whether they are monocot or dicot.
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.
Fill in the boxes given in Fig. 7.2 with appropriate characteristics/plant group (s)
You are given leech, Nereis, Scolopendra, prawn and scorpion; and all have segmented body organisation. Will you classify them in one group? If no, give the important characters based on which you will separate these organisms into different groups.
Order is a number of related families having common characters placed in an order.
In the system of classification, which one of the following is NOT a category?
In the taxonomical hierarchy, the category below the level of order is ______.
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.
What is the difference between flora, fauna and vegetation? Eichhornia crassipes is called as an exotic species while Rauwolfia serpentina is an endemic species in India. What do these terms exotic and endemic refer to?
Define a taxon. What is meant by taxonomic hierarchy. Give a flow diagram from the lowest to highest category for a plant and an animal. What happens to the number of individuals and number of shared characters as we go up the taxonomical hierarchy?
