Five Kingdom Classification
ICSE · Class 9 · Biology
Flashcards for Five Kingdom Classification — ICSE Class 9 Biology. Quick Q&A cards covering key concepts, definitions, and formulas.
What is a species? Give an example.
Answer
A species is an organism of a particular kind whose members can interbreed among themselves to produce fertile young ones. Example: All house cats worldwide belong to one species (Felis domesticus) as
Why can't a mule be considered a species?
Answer
A mule cannot be considered a species because it is a hybrid offspring of a donkey (male) and horse (female) that is sterile and cannot reproduce. Since members of a species must be able to interbreed
Arrange the classification hierarchy from smallest to largest category.
Answer
Species → Genus → Family → Order → Class → Phylum → Kingdom. Example: Modern humans are classified as Kingdom Animalia, Phylum Chordata, Class Mammalia, Order Primates, Family Hominidae, Genus Homo, S
What are the three main drawbacks of the old two-kingdom classification system?
Answer
1. Bacteria and fungi were incorrectly classified as plants despite having no chlorophyll and not performing photosynthesis. 2. Single-celled organisms like Euglena couldn't be exclusively called plan
List the five kingdoms in the modern classification system with one example each.
Answer
1. Kingdom Monera - Bacteria 2. Kingdom Protista - Amoeba 3. Kingdom Fungi - Bread mold 4. Kingdom Plantae - Mango tree 5. Kingdom Animalia - Tiger
What are the main characteristics of Kingdom Monera?
Answer
Kingdom Monera organisms are: 1. Single-celled (unicellular) 2. Prokaryotic (no organized nucleus, nuclear material distributed freely in cell) 3. Lack membrane-bound organelles like mitochondria and
How does Kingdom Protista differ from Kingdom Monera?
Answer
Kingdom Protista differs from Monera in that: 1. Protista are eukaryotic (well-defined nucleus with nuclear membrane) while Monera are prokaryotic 2. Both are unicellular 3. Protista includes both aut
What makes Kingdom Fungi unique among the five kingdoms?
Answer
Kingdom Fungi is unique because: 1. They are multicellular and eukaryotic 2. Made up of thread-like hyphae rather than typical cells 3. Many nuclei distributed in continuous cytoplasm 4. They are sapr
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