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In the five-kingdom classification, _______ Kingdom has brought together Chlamydomonas, Chlorella (earlier placed in _____within Plants and both having cell walls) with Paramoecium and Amoeba (which were earlier placed in the _____kingdom which lack cell wall)
- a)Algae, Protista, monera
- b)Protista, thallophyta,animal
- c)Monera, fungi, protista
- d)Protista, thallophyta, fungi
Correct answer is option 'B'. Can you explain this answer?
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In the five-kingdom classification, _______ Kingdom has brought togeth...
**Explanation:**
In the five-kingdom classification system, organisms are classified into five main kingdoms based on their cellular structure, mode of nutrition, and complexity of their body organization. The five kingdoms are:
1. **Monera:** This kingdom includes prokaryotic organisms, which are single-celled and lack a true nucleus. They are further divided into bacteria and blue-green algae (cyanobacteria).
2. **Protista:** This kingdom consists of eukaryotic organisms that are mostly unicellular. They have a true nucleus and are more complex than organisms in the Monera kingdom. Protists are a diverse group that includes various types of microorganisms, such as algae, protozoa, and slime molds.
3. **Fungi:** This kingdom includes eukaryotic organisms that are heterotrophic and have a cell wall made of chitin. Fungi obtain nutrients by absorbing them from their surroundings. They include mushrooms, yeasts, molds, and mildews.
4. **Plantae:** This kingdom consists of multicellular eukaryotic organisms that are photosynthetic. They possess chloroplasts and cell walls made of cellulose. Plants are autotrophic and provide oxygen, food, and shelter to other organisms. They include trees, shrubs, herbs, and mosses.
5. **Animalia:** This kingdom includes multicellular eukaryotic organisms that are heterotrophic and lack cell walls. They have specialized tissues and organs, and most animals can move from place to place. Animals obtain their food by ingestion.
**Chlamydomonas** and **Chlorella** are both unicellular green algae. They are photosynthetic organisms that possess chloroplasts and cell walls made of cellulose. These characteristics are similar to organisms in the Plantae kingdom. However, unlike plants, they lack true roots, stems, and leaves. Therefore, they do not fit into the Plantae kingdom.
Instead, Chlamydomonas and Chlorella are classified under the Protista kingdom. Protists are a diverse group that includes various types of microorganisms, including algae. Chlamydomonas and Chlorella are examples of unicellular algae that are classified as protists. They are not considered plants because they lack the complex body organization and tissue differentiation found in true plants.
Therefore, the correct answer is option 'D' - Protista.
In the five-kingdom classification system, organisms are classified into five main kingdoms based on their cellular structure, mode of nutrition, and complexity of their body organization. The five kingdoms are:
1. **Monera:** This kingdom includes prokaryotic organisms, which are single-celled and lack a true nucleus. They are further divided into bacteria and blue-green algae (cyanobacteria).
2. **Protista:** This kingdom consists of eukaryotic organisms that are mostly unicellular. They have a true nucleus and are more complex than organisms in the Monera kingdom. Protists are a diverse group that includes various types of microorganisms, such as algae, protozoa, and slime molds.
3. **Fungi:** This kingdom includes eukaryotic organisms that are heterotrophic and have a cell wall made of chitin. Fungi obtain nutrients by absorbing them from their surroundings. They include mushrooms, yeasts, molds, and mildews.
4. **Plantae:** This kingdom consists of multicellular eukaryotic organisms that are photosynthetic. They possess chloroplasts and cell walls made of cellulose. Plants are autotrophic and provide oxygen, food, and shelter to other organisms. They include trees, shrubs, herbs, and mosses.
5. **Animalia:** This kingdom includes multicellular eukaryotic organisms that are heterotrophic and lack cell walls. They have specialized tissues and organs, and most animals can move from place to place. Animals obtain their food by ingestion.
**Chlamydomonas** and **Chlorella** are both unicellular green algae. They are photosynthetic organisms that possess chloroplasts and cell walls made of cellulose. These characteristics are similar to organisms in the Plantae kingdom. However, unlike plants, they lack true roots, stems, and leaves. Therefore, they do not fit into the Plantae kingdom.
Instead, Chlamydomonas and Chlorella are classified under the Protista kingdom. Protists are a diverse group that includes various types of microorganisms, including algae. Chlamydomonas and Chlorella are examples of unicellular algae that are classified as protists. They are not considered plants because they lack the complex body organization and tissue differentiation found in true plants.
Therefore, the correct answer is option 'D' - Protista.
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In the five-kingdom classification, _______ Kingdom has brought togeth...
Whittaker(1969) is an American taxonomist. He is known for his five kingdom classification. This system separated unicellular eukaryotes into kingdom Protista and does not consider viruses for classification.
Viruses are not included in this classification. The main criteria for classification used are as follows:
1. Cell structure
2. Thallus organization
3. Mode of nutrition
4. Reproduction
5. Phylogenetic relationship
1. Cell structure
2. Thallus organization
3. Mode of nutrition
4. Reproduction
5. Phylogenetic relationship
Five kingdoms are-
- Monera: It includes all the microorganisms with prokaryotic cells that lack a nuclear membrane, plastids, mitochondria, and advanced flagella.
- Protista: These are generally single-celled eukaryotes such as Euglena and Amoeba, nutrition by photosynthesis, absorption, ingestion, and combination of these.
- Plantae: Members of this kingdom are eukaryotic mostly multicellular autotrophs, with cellulose walls. The chloroplast is present and the nutritive mode is photosynthetic.
- Fungi: It includes eukaryotic multicellular heterotrophs with the absorptive mode of nutrition.
- Animalia: It includes multicellular heterotrophs with wall-less eukaryotic cells lacking plastids and photosynthetic pigments with the ingestive mode of nutrition.
This system has put together organisms which in earlier classification, were placed in different kingdoms. This system separated unicellular eukaryotes into the kingdom Protista. Kingdom Protista has brought together Chlamydomonas, Chlorella (earlier placed in Algae) with Paramoecium and Amoeba.
So, the correct answer is option D. Protista.
Note: Fungi is in a different kingdom because of differences in the cell wall structure and nutrition with respect to plants. Animal and plant kingdom is more homogenous than two-kingdom classification. It shows phylogenetic relationships even amongst the primitive forms.
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In the five-kingdom classification, _______ Kingdom has brought together Chlamydomonas, Chlorella (earlier placed in _____within Plants and both having cell walls) with Paramoecium and Amoeba (which were earlier placed in the _____kingdom which lack cell wall)a)Algae, Protista, monerab)Protista, thallophyta,animalc)Monera, fungi, protistad)Protista, thallophyta, fungiCorrect answer is option 'B'. Can you explain this answer?
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