Question:
In the taxonomic categories which hierarchical arrangement in ascending order is correct in the case of animals?
In the taxonomic categories which hierarchical arrangement in ascending order is correct in the case of animals?
Updated On: Jul 25, 2024
- Kingdom, Phylum, Class, Order, Family, Genus, Species
- Kingdom, Class, Phylum, Family, Order, Genus, Species
- Kingdom, Order, Class, Phylum, Family, Genus, Species
- Kingdom, Order, Phylum, Class, Family, Genus, Species
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The Correct Option is A
Solution and Explanation
In the animal kingdom, there are seven main taxonomic ranks: kingdom, phylum or division, class, order, family, genus, species. (* Language of question is wrongly framed. The word “ascending” in the question should be replaced by “descending”.)
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Concepts Used:
Anatomy of Dicotyledonous and Monocotyledonous Plants
Dicot Root:
- Dicot plants have the taproot system.
- The outermost layer is called the epidermis. The epidermal cells sometimes project out which appear as the root hairs.
- The epidermis is followed by the multi-layered cortex, loosely made of the parenchyma cells with intercellular spaces.
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Monocot Root:
Monocot roots do not show much difference in the anatomy from that of the dicot roots.
- Monocot plants possess an adventitious root system.
- As in the dicots, the epidermis forms the outermost layer, followed by cortex, pericycle, endodermis, vascular bundles (xylem and phloem) and pith (random order).
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- The number of xylem in a monocot is six or more.
- Secondary growth is not seen in the monocot plants.