1.Which of the following Kingdom represents bacteria?
- Protozoa
- Metazoa
- Monera
- Protista
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Answer: Monera
The Monera Kingdom: The Monera kingdom is a taxonomic classification that includes unicellular organisms with a prokaryotic cell organization, such as bacteria. Prokaryotic cells lack a true nuclear membrane, which means their genetic material is not enclosed within a membrane-bound nucleus. Ernst Haeckel proposed the taxon Monera as a phylum in 1866, grouping these organisms together based on their simple cell structure and lack of a nucleus.
2. Which of the following is the lowest taxonomic division shared by both man and frog?
- Phylum
- Family
- Order
- Class
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Answer: Phylum
The Phylum Chordata: In the kingdom of animals (Animalia), the phylum Chordata encompasses various classes of animals, including Pisces (fishes), Amphibia (amphibians), Reptilia (reptiles), Aves (birds), and Mammalia (mammals). These classes share common characteristics at some stage in their lives, including having a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail during their development. Therefore, both humans and frogs belong to the same Phylum Chordata due to these shared characteristics.
3. The scientific name of Onion is Allium cepa. What does cepa denote here?
- Species
- Genus
- Class
- Family
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Answer: Species
Allium cepa (Onion): In scientific nomenclature, the term “cepa” in Allium cepa, the scientific name of the onion, denotes the species in the taxonomic hierarchy. A species is a group of individuals with similar morphological characteristics that can interbreed among themselves and produce offspring of their own kind.
4. Which of the following two vegetables are in the same Genus Solanum?
- Brinjal and Chilli
- Tomato and Radish
- Potato and Brinjal
- Potato and Cauliflower
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Answer: Potato and Brinjal
Potato and Brinjal: Potato (Solanum tuberosum) and Brinjal (Solanum melongena) belong to the same genus, Solanum. The genus is a higher taxonomic rank than species and groups together species that are closely related and share common characteristics.
5. Which of the following does not come under Panthera genus?
- Tiger
- Domestic Cat
- Lion
- Leopard
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Answer: Domestic Cat
Panthera Genus: Tiger, lion, and leopard share several common features and are grouped within the same genus, Panthera. The scientific classification places domestic cats under the genus Felis, which is related to but distinct from Panthera.
6. Which of the following taxonomic levels is the same for man, monkey, and tiger?
- Order
- Class
- Genus
- Family
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Answer: Class
Orders Primata and Carnivora: The order Primata includes animals like monkeys, gorillas, and humans, while the order Carnivora includes animals like lions, tigers, cats, and dogs. Both of these orders belong to the same class, Mammalia, as they share common characteristics such as having milk-producing mammary glands, cells with a membrane-bounded nucleus, and a dorsal hollow nerve cord. Therefore, humans, monkeys, and tigers all belong to the same class, Mammalia.
7. Which of the following is the most inclusive category of classification among others?
- Phylum
- Family
- Order
- Class
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Answer: Phylum
Taxonomic Hierarchy: In the taxonomic hierarchy, the higher the classification category, the more inclusive it is. Phylum is indeed one of the higher taxonomic ranks. The hierarchy typically proceeds from species to genus, family, order, class, phylum, and kingdom, with each level encompassing a broader group of organisms.
8. Which of the following is not a feature of organisms in the class Mammalia?
- Dorsal hollow nerve cord
- Chitin in the cell membrane
- Milk-producing mammary glands
- Cells with a membrane-bounded nucleus
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Answer: Chitin in the cell membrane
Chitin in Cell Walls and Kingdom Fungi: Chitin in cell walls is a characteristic feature of organisms belonging to the kingdom Fungi. Fungi, which includes mushrooms, molds, and yeasts, have cell walls made primarily of chitin, a complex carbohydrate that provides structural support to their cells.
9. Who is considered the father of biological classifications?
- John Salk
- Karl Landsteiner
- Carolus Linnaeus
- Robert Hook
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Answer: Carolus Linnaeus
The Father of Biological classification is Carolus Linnaeus, a Swedish botanist, physician, and zoologist who laid the foundation for modern taxonomy. Linnaeus is renowned for his groundbreaking work in systematically categorizing and naming living organisms.
10. The book Genera Plantarum is written by?
- Karl Landsteiner
- Hutchinson
- Engler Carl
- Linnaeus
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Answer: Linnaeus
Linnaeus authored the book Genera Plantarum, a significant botanical work where he detailed 935 Plant Genera. This comprehensive catalog contributed immensely to the understanding and organization of plant diversity.
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